Advanced Accelerator Concepts -...

55
Rasmus Ischebeck – Advanced Accelerator Concepts. 2009-04-29 Advanced Accelerator Concepts Rasmus Ischebeck, Paul Scherrer Institut Accelerators for Basic Research and Applications Present Technologies Dielectric Structures Plasma Wakefield Accelerators

Transcript of Advanced Accelerator Concepts -...

Page 1: Advanced Accelerator Concepts - DESYheraeus-technology.desy.de/e8/e45181/IschebeckAdvanced...Possibilities for Accelerating Structures Structure Rasmus Ischebeck – Advanced Accelerator

Rasm

us

Isch

ebeck

– A

dva

nce

d A

ccele

rato

r C

once

pts

. 2

00

9-0

4-2

9�

Adva

nce

d A

ccele

rato

r C

once

pts

Rasm

us

Isch

ebeck

, Paul Sch

err

er

Inst

itut

Acc

ele

rato

rs f

or

Basi

c R

ese

arc

h a

nd A

pplica

tions

Pre

sent

Tech

nolo

gie

s

Die

lect

ric

Str

uct

ure

s

Pla

sma W

akefi

eld

Acc

ele

rato

rs

Page 2: Advanced Accelerator Concepts - DESYheraeus-technology.desy.de/e8/e45181/IschebeckAdvanced...Possibilities for Accelerating Structures Structure Rasmus Ischebeck – Advanced Accelerator

Rasm

us

Isch

ebeck

– A

dva

nce

d A

ccele

rato

r C

once

pts

. 2

00

9-0

4-2

9�

Page 3: Advanced Accelerator Concepts - DESYheraeus-technology.desy.de/e8/e45181/IschebeckAdvanced...Possibilities for Accelerating Structures Structure Rasmus Ischebeck – Advanced Accelerator

Rasm

us

Isch

ebeck

– A

dva

nce

d A

ccele

rato

r C

once

pts

. 2

00

9-0

4-2

9�

Page 4: Advanced Accelerator Concepts - DESYheraeus-technology.desy.de/e8/e45181/IschebeckAdvanced...Possibilities for Accelerating Structures Structure Rasmus Ischebeck – Advanced Accelerator

Rasm

us

Isch

ebeck

– A

dva

nce

d A

ccele

rato

r C

once

pts

. 2

00

9-0

4-2

9�

Page 5: Advanced Accelerator Concepts - DESYheraeus-technology.desy.de/e8/e45181/IschebeckAdvanced...Possibilities for Accelerating Structures Structure Rasmus Ischebeck – Advanced Accelerator

Rasm

us

Isch

ebeck

– A

dva

nce

d A

ccele

rato

r C

once

pts

. 2

00

9-0

4-2

9�

Page 6: Advanced Accelerator Concepts - DESYheraeus-technology.desy.de/e8/e45181/IschebeckAdvanced...Possibilities for Accelerating Structures Structure Rasmus Ischebeck – Advanced Accelerator

Rasm

us

Isch

ebeck

– A

dva

nce

d A

ccele

rato

r C

once

pts

. 2

00

9-0

4-2

9�

His

tory

of

Ele

ctro

n A

ccele

rato

rsLi

vingst

on P

lot

Page 7: Advanced Accelerator Concepts - DESYheraeus-technology.desy.de/e8/e45181/IschebeckAdvanced...Possibilities for Accelerating Structures Structure Rasmus Ischebeck – Advanced Accelerator

Rasm

us

Isch

ebeck

– A

dva

nce

d A

ccele

rato

r C

once

pts

. 2

00

9-0

4-2

9�

Applica

tions

of

Acc

ele

rato

rs

Page 8: Advanced Accelerator Concepts - DESYheraeus-technology.desy.de/e8/e45181/IschebeckAdvanced...Possibilities for Accelerating Structures Structure Rasmus Ischebeck – Advanced Accelerator

Rasm

us

Isch

ebeck

– A

dva

nce

d A

ccele

rato

r C

once

pts

. 2

00

9-0

4-2

9�

Page 9: Advanced Accelerator Concepts - DESYheraeus-technology.desy.de/e8/e45181/IschebeckAdvanced...Possibilities for Accelerating Structures Structure Rasmus Ischebeck – Advanced Accelerator

Rasm

us

Isch

ebeck

– A

dva

nce

d A

ccele

rato

r C

once

pts

. 2

00

9-0

4-2

9�

Page 10: Advanced Accelerator Concepts - DESYheraeus-technology.desy.de/e8/e45181/IschebeckAdvanced...Possibilities for Accelerating Structures Structure Rasmus Ischebeck – Advanced Accelerator

Rasm

us

Isch

ebeck

– A

dva

nce

d A

ccele

rato

r C

once

pts

. 2

00

9-0

4-2

9�

Basi

c Requir

em

ents

for

Ele

ctro

n

Acc

ele

rato

rs b

eyo

nd ILC

•Energ

y�

�W

� 5

…1

0 T

eV

��

W =

E•e•L

(Lin

ac)

•Lu

min

osi

ty�

��

� 1

036 c

m-2 s

-1�

� =

�Beam

pow

er�

�P

� 1

00

MW

��

P =

U•I

•C

ost

��

�C

� 5

•1

09�

•H

igh a

ccele

rati

ng fi

eld

s•

Low

em

itta

nce

(sm

all d

iam

ete

r)•

Hig

h b

unch

charg

e•

Good e

�ci

ency

N2 f

4�

�x�

y

Page 11: Advanced Accelerator Concepts - DESYheraeus-technology.desy.de/e8/e45181/IschebeckAdvanced...Possibilities for Accelerating Structures Structure Rasmus Ischebeck – Advanced Accelerator

Rasm

us

Isch

ebeck

– A

dva

nce

d A

ccele

rato

r C

once

pts

. 2

00

9-0

4-2

9�

Lum

inosi

ty

•C

ross

sect

ion f

or

e+e

– co

llis

ions

goes

as

1/E

2

�N

eed a

lum

inosi

ty o

f £

� 1

036 c

m-2 s

-1

•Ju

st incr

easi

ng t

he n

um

ber

of

part

icle

s at

const

ant

phase

space

densi

ty w

ill

lead t

o a

pro

hib

itiv

e A

C p

ow

er

�N

eed t

o im

pro

ve

•T

he p

art

icle

densi

ty a

t th

e s

ourc

e (

the s

ourc

e e

mit

tance

)

•C

ontr

ol em

itta

nce

gro

wth

in t

he lin

acs

•Fi

nal fo

cus

opti

cs (

consi

deri

ng b

eam

-beam

inte

ract

ions)

adapte

d f

rom

G. D

ugan

Page 12: Advanced Accelerator Concepts - DESYheraeus-technology.desy.de/e8/e45181/IschebeckAdvanced...Possibilities for Accelerating Structures Structure Rasmus Ischebeck – Advanced Accelerator

Rasm

us

Isch

ebeck

– A

dva

nce

d A

ccele

rato

r C

once

pts

. 2

00

9-0

4-2

9�

Not

an O

pti

on f

or

10 T

eV

•Build a

cir

cula

r acc

ele

rato

r•

Syn

chro

tron r

adia

tion p

roport

ional to

E4

•Build a

lin

ear

acc

ele

rato

r base

d o

n s

tate

-of-

the-art

RF

cavi

ties

•A

ccele

rati

ng fi

eld

0.0

5 G

V/m

•3

00

km

long (

wit

h f

ocu

s and b

eam

delive

ry)

•C

ost

: 3

�10

10

There

fore

•N

eed t

o incr

ease

the a

ccele

rati

ng fi

eld

s (w

ithout

incr

easi

ng t

he c

ost

by

the s

am

e f

act

or)

•Explo

re a

ltern

ati

ve a

ccele

rati

on t

ech

niq

ues

Page 13: Advanced Accelerator Concepts - DESYheraeus-technology.desy.de/e8/e45181/IschebeckAdvanced...Possibilities for Accelerating Structures Structure Rasmus Ischebeck – Advanced Accelerator

Rasm

us

Isch

ebeck

– A

dva

nce

d A

ccele

rato

r C

once

pts

. 2

00

9-0

4-2

9�

How

to A

ccele

rate

Charg

ed P

art

icle

s

Ass

um

e:

•an u

ltra

rela

tivi

stic

part

icle

of

charg

e e

•m

ovi

ng a

long t

he z

axis

•acc

ele

rate

d b

y a p

lane

ele

ctro

magneti

c w

ave

that

pro

pagate

s at

an

angle

� t

o t

he z

axis

e-

k

Page 14: Advanced Accelerator Concepts - DESYheraeus-technology.desy.de/e8/e45181/IschebeckAdvanced...Possibilities for Accelerating Structures Structure Rasmus Ischebeck – Advanced Accelerator

Rasm

us

Isch

ebeck

– A

dva

nce

d A

ccele

rato

r C

once

pts

. 2

00

9-0

4-2

9�

How

to A

ccele

rate

Charg

ed P

art

icle

s

Then:

•Posi

tion o

f th

e e

lect

ron

•Ele

ctri

c fi

eld

•Energ

y gra

die

nt

e-

k

Page 15: Advanced Accelerator Concepts - DESYheraeus-technology.desy.de/e8/e45181/IschebeckAdvanced...Possibilities for Accelerating Structures Structure Rasmus Ischebeck – Advanced Accelerator

Rasm

us

Isch

ebeck

– A

dva

nce

d A

ccele

rato

r C

once

pts

. 2

00

9-0

4-2

9�

Law

son W

oodw

ard

Theore

m

•T

ransv

ers

e e

lect

ric

field

s

•M

ore

ove

r, t

he L

aw

son-W

oodw

ard

Theore

m s

tate

s:

•th

e t

ota

l acc

ele

rati

on

•of

ult

rare

lati

vist

ic p

art

icle

s

•by

far-

field

ele

ctro

magneti

c w

ave

s

•is

zero

�N

eed n

ear-

field

str

uct

ure

s

ele

ctr

on

ele

ctr

om

agneti

c

wave

Woodw

ard

, J. IEE 9

3 (

19

47

)

Law

son,

IEEE T

rans.

Nucl. S

ci. 2

6 (

19

79

)

Palm

er,

Part

. A

ccel. 1

1 (

19

80

)

Page 16: Advanced Accelerator Concepts - DESYheraeus-technology.desy.de/e8/e45181/IschebeckAdvanced...Possibilities for Accelerating Structures Structure Rasmus Ischebeck – Advanced Accelerator

Rasm

us

Isch

ebeck

– A

dva

nce

d A

ccele

rato

r C

once

pts

. 2

00

9-0

4-2

9�

Cu

Re

so

na

tin

g R

F C

av

ity

ele

ctr

ica

l fi

eld

ele

ctr

on

Tra

ve

llin

g W

av

e S

tru

ctu

re

11

.4 G

Hz

2�/3

Mo

de

Eacc� 5

0 M

V/m

adapte

d f

rom

H. W

eis

e

RF

Acc

ele

rati

on

•U

sing a

reso

nant

cavi

ty a

t ra

dio

fr

equenci

es

(RF)

(�G

Hz)

•Ele

ctro

magneti

c fi

eld

pro

vided b

y exte

rnal so

urc

e (

e.g

. kly

stro

n)

Page 17: Advanced Accelerator Concepts - DESYheraeus-technology.desy.de/e8/e45181/IschebeckAdvanced...Possibilities for Accelerating Structures Structure Rasmus Ischebeck – Advanced Accelerator

Rasm

us

Isch

ebeck

– A

dva

nce

d A

ccele

rato

r C

once

pts

. 2

00

9-0

4-2

9�

Superc

onduct

ing R

F

Rs

f�

Q0�

10 9

-10 1

0

Fre

qu

en

cy:

Qu

alit

y f

acto

r:

Reso

nan

t C

ircu

it:

L C

12

56

mm

11

5,4

m

m

HO

M K

op

ple

r

HF

Pro

be

HO

M K

op

ple

r

HF

Ein

ko

pp

ler

Rs

H. W

eis

e

Page 18: Advanced Accelerator Concepts - DESYheraeus-technology.desy.de/e8/e45181/IschebeckAdvanced...Possibilities for Accelerating Structures Structure Rasmus Ischebeck – Advanced Accelerator

Rasm

us

Isch

ebeck

– A

dva

nce

d A

ccele

rato

r C

once

pts

. 2

00

9-0

4-2

9�

Lim

its

to t

he A

ccele

rati

ng F

ield

•N

orm

al-

conduct

ing a

ccele

rato

rs

•Bre

akdow

n o

n t

he s

urf

ace

•Superc

onduct

ing a

ccele

rato

rs

•C

riti

cal m

agneti

c fi

eld

htt

p:/

/hyperp

hysic

s.p

hy-astr

.gsu.e

du/hbase/solids/scbc.h

tml

Page 19: Advanced Accelerator Concepts - DESYheraeus-technology.desy.de/e8/e45181/IschebeckAdvanced...Possibilities for Accelerating Structures Structure Rasmus Ischebeck – Advanced Accelerator

Rasm

us

Isch

ebeck

– A

dva

nce

d A

ccele

rato

r C

once

pts

. 2

00

9-0

4-2

9�

Poss

ibilit

ies

for

Acc

ele

rati

ng S

truct

ure

s

Str

uctu

rem

ax.

Fie

ld (

V/

m)

Poww

er

Sourc

es

Superc

onducti

ng

5�10

7solid s

tate

ele

ctr

on b

eam

s:

kly

str

ons

Meta

llic

2�10

8solid s

tate

ele

ctr

on b

eam

s:

kly

str

ons o

r

inte

gra

ted s

tructu

re

Die

lectr

ic10

9la

ser

ele

ctr

on b

eam

s

Pla

sm

a�

10

11

laser

ele

ctr

on b

eam

s

Plu

s:

Invers

e F

EL,

dis

posable

str

uctu

res,

excit

ed a

tom

s,

muon c

ollid

ers

Page 20: Advanced Accelerator Concepts - DESYheraeus-technology.desy.de/e8/e45181/IschebeckAdvanced...Possibilities for Accelerating Structures Structure Rasmus Ischebeck – Advanced Accelerator

Rasm

us

Isch

ebeck

– A

dva

nce

d A

ccele

rato

r C

once

pts

. 2

00

9-0

4-2

9�

Die

lect

ric

Str

uct

ure

s

Page 21: Advanced Accelerator Concepts - DESYheraeus-technology.desy.de/e8/e45181/IschebeckAdvanced...Possibilities for Accelerating Structures Structure Rasmus Ischebeck – Advanced Accelerator

Rasm

us

Isch

ebeck

– A

dva

nce

d A

ccele

rato

r C

once

pts

. 2

00

9-0

4-2

9�

Die

lect

ric

Acc

ele

rato

r Str

uct

ure

s

•U

sing m

uch

hig

her

frequenci

es:

TH

z t

o o

pti

cal

•U

sing d

iele

ctri

cs (

e.g

. SiO

2)

•A

dva

nta

ges:

hig

her

dam

age t

hre

shold

�H

igher

acc

ele

rati

ng fi

eld

s, u

p t

o ~

GV

/m

•G

enera

te t

he e

lect

rom

agneti

c fi

eld

•C

here

nkov

radia

tion f

rom

an

ele

ctro

n b

eam

•La

ser

•C

onfi

ne t

he fi

eld

•Photo

nic

band g

ap

8

Page 22: Advanced Accelerator Concepts - DESYheraeus-technology.desy.de/e8/e45181/IschebeckAdvanced...Possibilities for Accelerating Structures Structure Rasmus Ischebeck – Advanced Accelerator

Rasm

us

Isch

ebeck

– A

dva

nce

d A

ccele

rato

r C

once

pts

. 2

00

9-0

4-2

9�

1887

1987

Photo

nic

Cry

stals

peri

odic

ele

ctro

mag

netic

med

ia

with

pho

toni

c ba

nd g

aps:

“op

tical

insu

lato

rs”

(nee

d a

mor

eco

mpl

exto

polo

gy)

Ste

ven G

. Jo

hnson

9

Page 23: Advanced Accelerator Concepts - DESYheraeus-technology.desy.de/e8/e45181/IschebeckAdvanced...Possibilities for Accelerating Structures Structure Rasmus Ischebeck – Advanced Accelerator

Rasm

us

Isch

ebeck

– A

dva

nce

d A

ccele

rato

r C

once

pts

. 2

00

9-0

4-2

9�

Band G

ap m

aps

•Solu

tions

of

the w

ave

equati

on

� =

1.5

μm

Ben C

ow

an

a

r

10

Page 24: Advanced Accelerator Concepts - DESYheraeus-technology.desy.de/e8/e45181/IschebeckAdvanced...Possibilities for Accelerating Structures Structure Rasmus Ischebeck – Advanced Accelerator

Rasm

us

Isch

ebeck

– A

dva

nce

d A

ccele

rato

r C

once

pts

. 2

00

9-0

4-2

9�

Die

lect

ric

Acc

ele

rato

r Str

uct

ure

s

Photo

nic

Band G

ap S

truct

ure

s

Chri

s S

ram

ek

12

Page 25: Advanced Accelerator Concepts - DESYheraeus-technology.desy.de/e8/e45181/IschebeckAdvanced...Possibilities for Accelerating Structures Structure Rasmus Ischebeck – Advanced Accelerator

Rasm

us

Isch

ebeck

– A

dva

nce

d A

ccele

rato

r C

once

pts

. 2

00

9-0

4-2

9�

Setu

p o

f an E

xperi

ment

•G

enera

tion o

f 2

00

nm

long e

lect

ron b

unch

es:

•Energ

y m

odula

tion in IFE

L

•Puls

e f

orm

ing in c

hic

ane

3 f

ee

t

e� �IT

R

Ch

ican

e

IFE

L

12

Page 26: Advanced Accelerator Concepts - DESYheraeus-technology.desy.de/e8/e45181/IschebeckAdvanced...Possibilities for Accelerating Structures Structure Rasmus Ischebeck – Advanced Accelerator

Rasm

us

Isch

ebeck

– A

dva

nce

d A

ccele

rato

r C

once

pts

. 2

00

9-0

4-2

9�

Resu

lts

En

erg

y G

ain

/Lo

ss (

ke

V)

Chri

s Sears

,Eri

c C

olb

y

80

0 n

m4

00

nm

Genera

tion o

f att

ose

cond p

uls

es

Acc

ele

rati

on

13

Page 27: Advanced Accelerator Concepts - DESYheraeus-technology.desy.de/e8/e45181/IschebeckAdvanced...Possibilities for Accelerating Structures Structure Rasmus Ischebeck – Advanced Accelerator

Rasm

us

Isch

ebeck

– A

dva

nce

d A

ccele

rato

r C

once

pts

. 2

00

9-0

4-2

9�

Acc

ele

rati

on o

n M

eta

llic

Surf

ace

s

•In

vers

e t

ransi

tion r

adia

tion o

n a

m

eta

llic

surf

ace

Above

the d

am

age t

hre

shold

, in

deed!

Page 28: Advanced Accelerator Concepts - DESYheraeus-technology.desy.de/e8/e45181/IschebeckAdvanced...Possibilities for Accelerating Structures Structure Rasmus Ischebeck – Advanced Accelerator

Rasm

us

Isch

ebeck

– A

dva

nce

d A

ccele

rato

r C

once

pts

. 2

00

9-0

4-2

9�

Die

lektr

ic S

truct

ure

s

Hri

sto

Badakov, G

il T

ravis

h

dri

ve b

eam

wit

ness b

eam

Genera

tion o

f th

e a

ccele

rati

ng fi

eld

by

an e

lect

ron b

eam

15

Page 29: Advanced Accelerator Concepts - DESYheraeus-technology.desy.de/e8/e45181/IschebeckAdvanced...Possibilities for Accelerating Structures Structure Rasmus Ischebeck – Advanced Accelerator

Rasm

us

Isch

ebeck

– A

dva

nce

d A

ccele

rato

r C

once

pts

. 2

00

9-0

4-2

9�

Stu

die

s on t

he M

axim

um

Fie

lds

16

Calc

ula

ted s

urf

ace f

ield

s

Cra

cks in t

he d

iele

ctr

ic

10

0m

puls

e length

20

m

puls

e length

Em

issio

n o

f C

here

nkov lig

ht

Page 30: Advanced Accelerator Concepts - DESYheraeus-technology.desy.de/e8/e45181/IschebeckAdvanced...Possibilities for Accelerating Structures Structure Rasmus Ischebeck – Advanced Accelerator

Rasm

us

Isch

ebeck

– A

dva

nce

d A

ccele

rato

r C

once

pts

. 2

00

9-0

4-2

9�

Pla

sma W

akefi

eld

Acc

ele

rati

on

Page 31: Advanced Accelerator Concepts - DESYheraeus-technology.desy.de/e8/e45181/IschebeckAdvanced...Possibilities for Accelerating Structures Structure Rasmus Ischebeck – Advanced Accelerator

Rasm

us

Isch

ebeck

– A

dva

nce

d A

ccele

rato

r C

once

pts

. 2

00

9-0

4-2

9�

Pla

sma W

akes

- T

heory

•U

nlike e

lect

rom

agneti

c w

ave

s in

vacu

um

, pla

sma w

akes

can

have

a longit

udin

al ele

ctri

c fi

eld

•T

ajim

a &

Daw

son,

PR

L,

43

, 2

67

(19

79

)

•Li

near

pla

sma w

ake:

•Li

mit

:

Page 32: Advanced Accelerator Concepts - DESYheraeus-technology.desy.de/e8/e45181/IschebeckAdvanced...Possibilities for Accelerating Structures Structure Rasmus Ischebeck – Advanced Accelerator

Rasm

us

Isch

ebeck

– A

dva

nce

d A

ccele

rato

r C

once

pts

. 2

00

9-0

4-2

9�

Pla

sma W

akes

- T

heory

•A

bove

this

lim

it:

non-linear

wakes,

“Blo

w-out

regim

e”

•Fi

eld

s ca

n b

e c

alc

ula

ted o

nly

wit

h n

um

eri

cal m

eth

ods

•T

ypic

al w

ave

length

: 5

0 �

m•

Acc

ele

rati

ng fi

eld

s up t

o 5

0 G

V/m

Mia

om

iao Z

hou

Page 33: Advanced Accelerator Concepts - DESYheraeus-technology.desy.de/e8/e45181/IschebeckAdvanced...Possibilities for Accelerating Structures Structure Rasmus Ischebeck – Advanced Accelerator

Rasm

us

Isch

ebeck

– A

dva

nce

d A

ccele

rato

r C

once

pts

. 2

00

9-0

4-2

9�

Tra

ppin

g o

f Pla

sma E

lect

rons

210�

X(μ

m)�

-30�Y(μm)�

410

30�L

aser

(I>

0.2I

0), d

ensi

ty,�

Trap

ped

par

ticl

es�

Cam

ero

n G

eddes

19

Page 34: Advanced Accelerator Concepts - DESYheraeus-technology.desy.de/e8/e45181/IschebeckAdvanced...Possibilities for Accelerating Structures Structure Rasmus Ischebeck – Advanced Accelerator

Rasm

us

Isch

ebeck

– A

dva

nce

d A

ccele

rato

r C

once

pts

. 2

00

9-0

4-2

9�

Dri

ve t

he P

lasm

a W

ake

•T

ypic

al dri

ve b

eam

pow

er:

�1

015

W =

1 T

W•

Pow

er

densi

ty: �1

024

W/m

2=

1 Y

W/m

2

•D

rive

the p

lasm

a w

ake:

•Photo

ns

•Ele

ctro

ns

Page 35: Advanced Accelerator Concepts - DESYheraeus-technology.desy.de/e8/e45181/IschebeckAdvanced...Possibilities for Accelerating Structures Structure Rasmus Ischebeck – Advanced Accelerator

Rasm

us

Isch

ebeck

– A

dva

nce

d A

ccele

rato

r C

once

pts

. 2

00

9-0

4-2

9�

Lase

r-D

rive

n P

lasm

a W

akefi

eld

A

ccele

rati

on –

Sta

te o

f th

e A

rt 2

003

Lase

rse

lfm

odul

atio

nto

plas

ma

perio

ddr

ives

wak

eto

trap

ping

100

101

102

103

104

010

2030

4050

dN/dE[a.u.]

E[M

eV]

Detec

tionT

hres

hold

e-

Hyd

roge

nga

s je

tDri

vebe

am10

TW

, 500

mJ

50fs

, 1019

W/c

m2

nCch

arge

few

%>

10M

eV

Tig

htly

focu

sed

lase

rio

nize

dga

sje

t&

drov

ew

ake

Acc

eler

atio

nto

50M

eVin

~1

mm

pla

sm

a 1.4m

mpr

opag

atio

n

0.5m

mpr

opag

atio

n

Enl

arge

dw

ake

plas

ma

lase

r

mod

ulat

ion

sub

puls

es

Cam

ero

n G

eddes

21

Page 36: Advanced Accelerator Concepts - DESYheraeus-technology.desy.de/e8/e45181/IschebeckAdvanced...Possibilities for Accelerating Structures Structure Rasmus Ischebeck – Advanced Accelerator

Rasm

us

Isch

ebeck

– A

dva

nce

d A

ccele

rato

r C

once

pts

. 2

00

9-0

4-2

9�

Hyd

rodyn

am

ic P

lasm

a C

hannels

CC

D&

Spec

trom

eter

2� prob

e

Side

Inte

r-fe

rom

ter

Cyl

indr

ical

Mir

ror

Hea

ter

beam

150m

J 25

0ps

e-

H, H

e ga

s je

tM

ain

beam

<50

0mJ

>50

fs

Igni

tor

Bea

m20

mJ

Pla

sma

ioni

zed

byig

nito

rhe

ated

byhe

ater

Exp

ansi

onsh

ock

yiel

dsgu

idin

gpr

ofile

Cha

nnel

only

Cha

nnel

dens

ity

Gui

ded

driv

ebe

am

Unc

hann

eled

driv

ebe

am

Gui

ding

ove

r >

10

ZR

~ 2

mm

rela

tivis

tic in

tens

ity

11/1

9/0

3gv

1

Inpu

t

Vac

uum

Out

put

Ung

uide

dO

utpu

t

11/1

9/0

3

Gi

2

Gui

ded

Out

put

Hig

hqu

ality

guid

ing

upto

4TW

No

chan

nel l

eaka

geC

hann

el p

rofil

e

C.G

.R.G

edde

set

al,P

RL,

2005

Cam

ero

n G

eddes

22

Page 37: Advanced Accelerator Concepts - DESYheraeus-technology.desy.de/e8/e45181/IschebeckAdvanced...Possibilities for Accelerating Structures Structure Rasmus Ischebeck – Advanced Accelerator

Rasm

us

Isch

ebeck

– A

dva

nce

d A

ccele

rato

r C

once

pts

. 2

00

9-0

4-2

9�

Pla

sma W

ave

guid

es

~3

m

Rad

ially

mo

du

late

d1

00

ps

Nd

:YA

Gla

ser

pu

lse

Mod

ula

ted

pla

sm

aw

ave

gu

ide

70

fsT

i:S

ap

ph

ire

las

er

pu

lse

Axic

on

(e)

(b)

(a)

70

fstr

an

sve

rse

inte

rfer.

pro

be

13

µm 10

00

µm2

00µ

m

(e)

13

µm

(c)

(d)

65

m

50

m

50

µm

Col

oron

lin

e)E

xper

imen

talg

eom

etry

:Rad

iall

ym

odu

late

dN

d:Y

AG

lase

rpu

lse

(200

–50

0m

J,10

0ps

,106

4n

m)

from

aA

ndre

w Y

ork

Arg

on

Air

Nitro

ge

n

Ph

ase

Im

ag

es f

rom

tra

nsve

rse

pro

be

23

Page 38: Advanced Accelerator Concepts - DESYheraeus-technology.desy.de/e8/e45181/IschebeckAdvanced...Possibilities for Accelerating Structures Structure Rasmus Ischebeck – Advanced Accelerator

Rasm

us

Isch

ebeck

– A

dva

nce

d A

ccele

rato

r C

once

pts

. 2

00

9-0

4-2

9�

Pla

sma A

ccele

rati

on in C

apilla

ries

Jens

Ost

erh

o�

,Ste

fan K

ars

ch

Ga

s i

n

Ch

an

nel cen

ter

15

mm

Off

-ax

is p

ara

bo

la(2

0°,

1.5

4 m

, f/

22

)

La

se

r

Ga

s i

n

Sa

pp

hir

e b

loc

k

Dip

ole

ma

gn

et

Screen S2

Screen S1(movable)

Ele

ctr

on

be

am

25

0 µ

m

Gas velocity (km/s)

2.4

2.0

1.6

1.2

0.8

0.4

Ch

an

nel en

tran

ce a

nd

exit

0.6

mm

1.8

mm

a)

b)

Mk

140

250

)

24

Page 39: Advanced Accelerator Concepts - DESYheraeus-technology.desy.de/e8/e45181/IschebeckAdvanced...Possibilities for Accelerating Structures Structure Rasmus Ischebeck – Advanced Accelerator

Rasm

us

Isch

ebeck

– A

dva

nce

d A

ccele

rato

r C

once

pts

. 2

00

9-0

4-2

9�

“Monoenerg

eti

c” P

art

icle

Bunch

es

Hig

hq

ual

ity,

inte

nse

bea

ms*

2e9

elec

tron

sD

iver

genc

e3m

rad

Ene

rgy

Spr

ead<

4MeV

Nor

mal

ized

Geo

met

ricE

mitt

ance

2�m

m-m

rad

e-

Mag

netic

Spe

ctro

met

er

Mag

net

CC

D

LA

NE

X

Sli

t

7%

>1

15

2%

>1

34

Em

ax=

15

34927500-1

0.1

Am

p

Divergence

(mrad)

>1

15

MeV

>1

53

MeV

>1

34

MeV

Hig

h qu

ality

bea

ms:

300

pC @

86

MeV

Pea

k en

ergi

es 1

50-1

70M

eV

Las

er=

9TW

,50

fs,Z

R=

200μ

mP

lasm

a=

1.8e

19cm

-3,1

.7m

m

Cam

ero

n G

eddes

Page 40: Advanced Accelerator Concepts - DESYheraeus-technology.desy.de/e8/e45181/IschebeckAdvanced...Possibilities for Accelerating Structures Structure Rasmus Ischebeck – Advanced Accelerator

Rasm

us

Isch

ebeck

– A

dva

nce

d A

ccele

rato

r C

once

pts

. 2

00

9-0

4-2

9�

Part

icle

Energ

ies

up t

o 1

GeV

��a

0 ~

1.4

6 (

40 T

W, 37 fs)

��n

e ~

4x10

18

cm

-3,P

crit ~

7 T

W

1 G

eV B

EA

M�

��

Div

erge

nce(

rms)

: 1.6

mra

d���

Ene

rgy

spre

ad (

rms)

: 2.5

%�

��

Res

olut

ion:

2.4

%�

��

Cha

rge:

35

pC�

Cam

ero

n G

eddes

25

Page 41: Advanced Accelerator Concepts - DESYheraeus-technology.desy.de/e8/e45181/IschebeckAdvanced...Possibilities for Accelerating Structures Structure Rasmus Ischebeck – Advanced Accelerator

Rasm

us

Isch

ebeck

– A

dva

nce

d A

ccele

rato

r C

once

pts

. 2

00

9-0

4-2

9�

Pla

sma W

akefi

eld

Acc

ele

rati

on

wit

h E

lect

ron B

unch

es

U C

L

A

~ 0

.5

m~

10

m

26

Energ

y so

urc

e:

ele

ctro

n b

eam

•4

2 G

eV

part

icle

energ

y

•3

.2 n

C b

unch

charg

e

•Beam

pow

er:

�1

015

W =

1 T

W

•Pow

er

densi

ty: �1

024

W/m

2=

1 Y

W/m

2

Pla

sma s

ourc

e:

Lith

ium

ove

n

•Part

icle

densi

ty: �1

023

/ m

3

Page 42: Advanced Accelerator Concepts - DESYheraeus-technology.desy.de/e8/e45181/IschebeckAdvanced...Possibilities for Accelerating Structures Structure Rasmus Ischebeck – Advanced Accelerator

Rasm

us

Isch

ebeck

– A

dva

nce

d A

ccele

rato

r C

once

pts

. 2

00

9-0

4-2

9�

6 m

m

0.0

8 %

1.2

mm

1.6

%

5

0 μ

m

1.6

%

1

2 μ

m

1.5

%

Pla

sma W

akefi

eld

Acc

ele

rati

on a

t SLA

C

Acc

ele

rati

on,

com

pre

ssio

n a

nd f

ocu

ssin

g o

f bunch

es

to r

each

a p

eak p

ow

er

densi

ty o

f 5

YW

/m2

Paul Em

ma

P.

Em

ma e

t al.,

PA

C

(20

05

)

U C

L

A

27

Page 43: Advanced Accelerator Concepts - DESYheraeus-technology.desy.de/e8/e45181/IschebeckAdvanced...Possibilities for Accelerating Structures Structure Rasmus Ischebeck – Advanced Accelerator

Rasm

us

Isch

ebeck

– A

dva

nce

d A

ccele

rato

r C

once

pts

. 2

00

9-0

4-2

9�

Experi

menta

l Setu

pU

C

L

A

Page 44: Advanced Accelerator Concepts - DESYheraeus-technology.desy.de/e8/e45181/IschebeckAdvanced...Possibilities for Accelerating Structures Structure Rasmus Ischebeck – Advanced Accelerator

Rasm

us

Isch

ebeck

– A

dva

nce

d A

ccele

rato

r C

once

pts

. 2

00

9-0

4-2

9�

Firs

t Resu

lts

More

than 3

GeV

energ

y g

ain

in 1

0 c

m p

lasm

a length

U C

L

A

Page 45: Advanced Accelerator Concepts - DESYheraeus-technology.desy.de/e8/e45181/IschebeckAdvanced...Possibilities for Accelerating Structures Structure Rasmus Ischebeck – Advanced Accelerator

Rasm

us

Isch

ebeck

– A

dva

nce

d A

ccele

rato

r C

once

pts

. 2

00

9-0

4-2

9�

Incr

easi

ng t

he P

lasm

a L

ength

to 3

0.5

cm

Patr

ic M

uggli

no p

lasm

a

13

cm

FW

HM

2

2.5

cm

FW

HM

3

0.5

cm

FW

HM

U C

L

A

Page 46: Advanced Accelerator Concepts - DESYheraeus-technology.desy.de/e8/e45181/IschebeckAdvanced...Possibilities for Accelerating Structures Structure Rasmus Ischebeck – Advanced Accelerator

Rasm

us

Isch

ebeck

– A

dva

nce

d A

ccele

rato

r C

once

pts

. 2

00

9-0

4-2

9�

1 m

Long P

lasm

a

Longer

pla

sm

a o

ven

New

spectr

om

ete

r

Dia

gnosti

cs f

or

low

-energ

y p

art

icle

s

Incre

ased t

he e

nerg

y in t

he d

rive b

eam

U C

L

A

Page 47: Advanced Accelerator Concepts - DESYheraeus-technology.desy.de/e8/e45181/IschebeckAdvanced...Possibilities for Accelerating Structures Structure Rasmus Ischebeck – Advanced Accelerator

Rasm

us

Isch

ebeck

– A

dva

nce

d A

ccele

rato

r C

once

pts

. 2

00

9-0

4-2

9�

Images

from

both

Spect

rom

ete

r Pla

nes

800 C

onse

cuti

ve E

vents

Cha

rge

dens

ity[-

e/μ

m2 ]

60120

180

240

U C

L

A

31

Page 48: Advanced Accelerator Concepts - DESYheraeus-technology.desy.de/e8/e45181/IschebeckAdvanced...Possibilities for Accelerating Structures Structure Rasmus Ischebeck – Advanced Accelerator

Rasm

us

Isch

ebeck

– A

dva

nce

d A

ccele

rato

r C

once

pts

. 2

00

9-0

4-2

9�

Energ

y D

oubling

•Pla

sma length

: 85 c

m

•D

ensi

ty: 2,7

•10

17

cm

3

•Entr

ance

energ

y: 4

2 G

eV

•Peak e

nerg

y: 8

5 G

eV

I. B

lum

enfe

ld e

t al.,

Natu

re 4

45

, p.

74

1 (

20

07

)

U C

L

A

32

Page 49: Advanced Accelerator Concepts - DESYheraeus-technology.desy.de/e8/e45181/IschebeckAdvanced...Possibilities for Accelerating Structures Structure Rasmus Ischebeck – Advanced Accelerator

Rasm

us

Isch

ebeck

– A

dva

nce

d A

ccele

rato

r C

once

pts

. 2

00

9-0

4-2

9�

Tra

ppin

g o

f Pla

sma E

lect

rons

•V

ery

sm

all a

ngle

of

em

issi

on a

t th

epla

sma e

xit

:

•Li

mit

ed b

yca

mera

reso

luti

on

Rasm

us Ischebeck,

Energ

y D

oubling o

f 4

2 G

eV

Ele

ctr

ons.

AA

C 2

00

6

U C

L

A

Page 50: Advanced Accelerator Concepts - DESYheraeus-technology.desy.de/e8/e45181/IschebeckAdvanced...Possibilities for Accelerating Structures Structure Rasmus Ischebeck – Advanced Accelerator

Rasm

us

Isch

ebeck

– A

dva

nce

d A

ccele

rato

r C

once

pts

. 2

00

9-0

4-2

9�

Tra

ppin

g o

f Pla

sma E

lect

rons

(Short

Pla

sma)

•Im

agin

g t

he a

ngle

of

ere

nkov

radia

tion

•Li

ght

inte

nsi

ty is

incr

ease

d b

y m

ore

than t

hre

e o

rders

of

magnit

ude

•Part

icle

energ

y E is

pro

port

ional to

pla

sma length

L:

wit

hout

pla

sm

aw

ith p

lasm

a

Neil

Kir

by

N.

Kir

by e

t al.,

AIP

Conf

Pro

c 8

77

(20

06

)

Page 51: Advanced Accelerator Concepts - DESYheraeus-technology.desy.de/e8/e45181/IschebeckAdvanced...Possibilities for Accelerating Structures Structure Rasmus Ischebeck – Advanced Accelerator

Rasm

us

Isch

ebeck

– A

dva

nce

d A

ccele

rato

r C

once

pts

. 2

00

9-0

4-2

9�

There

is

More

to A

ccele

rati

ng S

truct

ure

s th

an t

he A

ccele

rati

ng F

ield

•Pow

er

sourc

es

•Beam

loadin

g•

Em

itta

nce

pre

serv

ati

on

There

is

Much

More

to a

n A

ccele

rato

r th

an A

ccele

rati

ng S

truct

ure

s•

Part

icle

sourc

es

(inje

ctors

)•

Bend m

agnets

for

stora

ge r

ings

•Fo

cusi

ng,

beam

dyn

am

ics

•D

ete

ctors

Dem

onst

rate

d O

nce

does

not

mean

Ava

ilable

for

Use

rs

Page 52: Advanced Accelerator Concepts - DESYheraeus-technology.desy.de/e8/e45181/IschebeckAdvanced...Possibilities for Accelerating Structures Structure Rasmus Ischebeck – Advanced Accelerator

Rasm

us

Isch

ebeck

– A

dva

nce

d A

ccele

rato

r C

once

pts

. 2

00

9-0

4-2

9�

But

•Fu

ture

part

icle

acc

ele

rato

rs c

annot

be b

uilt

wit

h t

oday’

s te

chnolo

gie

s

36

Page 53: Advanced Accelerator Concepts - DESYheraeus-technology.desy.de/e8/e45181/IschebeckAdvanced...Possibilities for Accelerating Structures Structure Rasmus Ischebeck – Advanced Accelerator

Rasm

us

Isch

ebeck

– A

dva

nce

d A

ccele

rato

r C

once

pts

. 2

00

9-0

4-2

9�

Livi

ngst

on P

lot

1

Page 54: Advanced Accelerator Concepts - DESYheraeus-technology.desy.de/e8/e45181/IschebeckAdvanced...Possibilities for Accelerating Structures Structure Rasmus Ischebeck – Advanced Accelerator

Rasm

us

Isch

ebeck

– A

dva

nce

d A

ccele

rato

r C

once

pts

. 2

00

9-0

4-2

9�

An U

nfa

ir C

om

pari

son

34

Page 55: Advanced Accelerator Concepts - DESYheraeus-technology.desy.de/e8/e45181/IschebeckAdvanced...Possibilities for Accelerating Structures Structure Rasmus Ischebeck – Advanced Accelerator

Rasm

us

Isch

ebeck

– A

dva

nce

d A

ccele

rato

r C

once

pts

. 2

00

9-0

4-2

9�

Thank Y

ou!

•The E

-167 C

ollabora

tion

•M

. Berr

y, I. Blu

menfe

ld, F.

-J. D

eck

er,

P. Em

ma, M

.J. H

ogan*,

R. Is

chebeck

, R.H

. Iv

ers

on, N

. K

irby,

P. K

rejc

ik,

R.H

. Sie

mann, and D

. W

alz

(SLA

C)

•C

.E. C

layt

on, C

. H

uang, D

. Jo

hnso

n, C

. Jo

shi*

, W

. Lu

, K

.A. M

ars

h, W

.B. M

ori

, and M

. Zhou (

UC

LA)

•S.�D

eng, T. K

ats

oule

as,

P.�M

uggli*

and E

.�O

z (

USC

)

•The E

-163 C

ollabora

tion

•R. Sie

mann, R. N

oble

, E. C

olb

y, J. Spence

r, R

. Is

chebeck

, M

. Li

nco

ln, B. C

ow

an, C

. Sears

, S. Tanta

wi, D

. W

alz

, D

.T. Palm

er,

N. N

a, C

.D. Barn

es,

M. Ja

vanm

ara

d, X.E

. Li

n, and Z

. Zhang (

SLA

C)

•R. Bye

r, T

.I. Sm

ith, Y.C

. H

uang, T. Ple

ttner,

P. Lu

, and J.A

. W

isdom

(Sta

nfo

rd)

•L.

Sch

äch

ter

(Tech

ion Isr

aeli Inst

itute

of

Tech

nolo

gy)

•J. R

ose

nzw

eig

(U

CLA

)

•The G

igaW

ake D

iele

ctri

c A

ccele

rato

r Experi

ment

•M

.C. Thom

pso

n, H

. Badakov,

J. Rose

nzw

eig

, and G

. Tra

vish

(U

CLA

)•

M.J. H

ogan, R. Is

chebeck

, N

. K

irby,

R. Sie

mann, and D

. W

alz

(SLA

C)

•P. M

uggli (

USC

)•

A. Sco

tt (

UC

SB)

•R. Yoder

(Manhatt

an C

ollege)

•Speci

al th

anks

for

resu

lts,

plo

ts a

nd illust

rati

ons

•H

. W

eis

e (

DESY),

F. Teck

er,

D. Sutt

er

(DO

E),

N. K

irby

(SLA

C),

E. O

z (

USC

), A

. York

, H

. M

ilch

berg

(U

MD

)•

S. Jo

hnso

n (

MTI), S. K

ars

ch (

MPQ

), inte

ract

ions.

org

, Paul Em

ma (

SLA

C),

JLN

Labs,

Vari

an, Sie

mens

AG

,•

Pete

r G

inte

r

•W

ork

support

ed b

y D

epart

ment

of

Energ

y co

ntr

act

s D

E-A

C02-76SF0

0515 (

SLA

C),

DE-FG

03-92ER40745, D

E-

FG03-98D

P00211, D

E-FG

03-92ER40727, D

E-A

C-0376SF0

098, D

E-A

C02-76SF0

0515 a

nd N

ati

onal Sci

ence

Fo

undati

on g

rants

No. EC

S-9632735, D

MS-9722121 a

nd P

HY-0078715.

http://people.web.psi.ch/ischebeck