[PPT] - F u t u r e I n s t r u m e n t f o r G r a v PowerPoint Presentation

SLIDE 1

F u t u r e I n s t r u m e n t f

r

G r a v i t a t i

n

a l Wa v e A s t r

n
m

y

R

m

a i n B

n

n a n d L a b

r

a t

i

r e d ’ A n n e c y d e P h y s i q u e d e s P a r t i c u l e s , C N R S .

S é m i n a i r e D a u t r e p p e 2 1 8 – G r e n

b

l e .

SLIDE 2

05-12-2018 Séminaire Dautreppe 2018 2

I n t r

d

u c t i

n
G

r a v i t a t i

n

a l w a v e s a s t r

n
m

y h a s j u s t s t a r t e d . . .

…

w e a l r e a d y n e e d t

t

h i n k a b

u

t t h e f u t u r e

f

t h e f i e l d .

I

f w e w a n t t

c

a t c h m

r

e g r a v i t a t i

n

a l w a v e s w e n e e d t

i

m p r

v

e t h e d e t e c t

r

s s e n s i t i v i t y :

–

A c t u a l c a p a c i t y w i l l r e a c h t h e i r p

t

e n t i a l l i m i t 3 G d e t e c t

r

s . ⇒

–

F r

m

2 G t

3

G d e t e c t

r

s .

From Pushing towards the ET sensitivity using ‘conventional’ Technology - Stefan Hild et al. - arXiv:0810.0604v2

SLIDE 3

05-12-2018 Séminaire Dautreppe 2018 3

A b i t

f

h i s t

r

y

E

i n s t e i n T e l e s c

p

e D e s i g n s t u d y f u n d e d b y t h e E C i n F P 7 ( 2 8

2

1 1 ) .

–

E i n s t e i n T e l e s c

p

e C

n

c e p t u a l D e s i g n S t u d y i s s u e d i n 2 1 1 : h t t p : / / w w w . e t

g

w . e u / i n d e x . p h p / e t d s d

c

u m e n t

I

n v

l

v e d F r a n c e , G e r m a n y , I t a l y , N e t h e r l a n d s , U K .

E

T c

m

m u n i t y n

w

i n c l u d e s H u n g a r y , P

l

a n d , S p a i n .

9

t h E T s y m p

s

i u m h a p p e n e d i n A p r i l 2 1 8 @ E G O :

–

T h e f

c

u s

f

t h e m e e t i n g i s t h e c r e a t i

n
f

t h e E T c

l

l a b

r

a t i

n

, t h e d e f i n i t i

n
f

t h e s t r a t e g y f

r

t h e s u b m i s s i

n
f

t h e E T p r

p
s

a l t

t

h e 2 2 u p d a t e

f

t h e E S F R I r

a

d m a p . We w i l l d i s c u s s t h e f u t u r e

f

t h e G W a s t r

n
m

y a n d a s t r

p

h y s i c s .

–

h t t p s : / / e v e n t s . e g

g

w . i t / i n d i c

/

c

n

f e r e n c e D i s p l a y . p y ?

v

w = T r u e & c

n

f I d = 6 4

P

r

j

e c t i n c l u d e s i n v a r i

u

s r

a

d m a p ( G WI C , A P P E C , O E C D , … ) .

L

e t t e r

f

I n t e n t i s s u e d i n A p r i l 2 1 8 .

–

h t t p : / / w w w . e t

g

w . e u / i n d e x . p h p / l e t t e r

f
i

n t e n t

SLIDE 4

05-12-2018 Séminaire Dautreppe 2018 4

E i n s t e i n T e l e s c

p

e m a i n i d e a s

1

x b e t t e r s e n s i t i v i t y t h e n 2 G d e t e c t

r

s .

S

t a n d

a

l

n

e

b

s e r v a t

r

y :

–

Wi d e f r e q u e n c y , w i t h s p e c i a l a t t e n t i

n

t

l
w

f r e q u e n c y ( f e w H Z ) .

S

t e l l a r m a s s B l a c k H

l

e s

–

C a p a b l e t

w
r

k a l

n

e ( c h a r a c t e r i s t i c s t

b

e e v a l u a t e d a g a i n ) :

L
c

a l i z a t i

n

c a p a b i l i t y ( p

r

)

G

r a v i t a t i

n

a l w a v e p

l

a r i z a t i

n
H

i g h d u t y c y c l e : r e d u n d a n c y

–

5

y

e a r s l i f e t i m e

f

t h e i n f r a s t r u c t u r e .

C

a p a b l e t

h
s

t t h e u p g r a d e s

f

t h e h

s

t e d d e t e c t

r

s

SLIDE 5

05-12-2018 Séminaire Dautreppe 2018 5

F r

m

2 G t

3

G d e t e c t

r

s :

A

d V + :

–

S h

r

t t e r m e v

l

u t i

n
f

A d v a n c e d V i r g

.

–

P u s h i n g t h e a c t u a l s i t e t

m

a x i m u m s e n s i t i v i t y .

–

2 p h a s e s p r

p
s

a l ( B N S r a n g e 1 6 4 M p c & 3 3 M p c ) .

E

i n s t e i n T e l e s c

p

e :

–

N e w s i t e .

–

F a c t

r

1 i m p r

v

e m e n t i n s e n s i t i v i t y w r t A d V ( B N S r a n g e 2 1 1 M p c ) .

–

E T c

n

c e p t u a l d e s i g n i s s u e d i n M a y 2 1 1 .

–

E T w i l l b e a m u c h b r

a

d e r c

l

l a b

r

a t i

n

t h a n V i r g

.

SLIDE 6

05-12-2018 Séminaire Dautreppe 2018 6

Wh a t i s l i m i t i n g t h e 2 G d e t e c t

r

s ?

L
w

f r e q u e n c y s u s p e n s i

n

t h e r m a l n

i

s e ⇒ ( + g r a v i t y g r a d i e n t & r a d i a t i

n

p r e s s u r e ) . = = > n e w s u s p e n s i

n

s , c r y

g

e n i c d e t e c t

r

s .

M

e d i u m f r e q u e n c y C

a

t i n g t h e r m a l n

i

s e . ⇒ = = > n e w c

a

t i n g ? M a t e r i a l s ?

H

i g h f r e q u e n c y q u a n t u m n

i

s e ( s h

t

⇒ n

i

s e ) . = = > h i g h e r p

w

e r , s q u e e z e d l i g h t .

3

G d e t e c t

r

s a i m e d a t f a c t

r

1 i m p r

v

e m e n t a t a l l f r e q u e n c i e s .

SLIDE 7

05-12-2018 Séminaire Dautreppe 2018 7

A n u n d e r g r

u

n d x y l

p

h

n

e d e t e c t

r

!

I

m p r

v

i n g l

w

a n d h i g h f r e q u e n c i e s s e n s i t i v i t y i n a s i n g l e d e t e c t

r

i s v e r y c h a l l e n g i n g :

–

H F r e q u i r e s h i g h e r p

w

e r .

–

L F r e q u i r e s c

l

d m i r r

r

s .

B

u i l d i n g 2 s p e c i a l i z e d d e t e c t

r

s t

c
v

e r l

w

a n d h i g h f r e q u e n c i e s .

SLIDE 8

05-12-2018 Séminaire Dautreppe 2018 8

E T – L

w

F r e q u e n c y

Q

u a n t u m n

i

s e :

–

1 8 k W ( a r m p

w

e r ) , d e t u n e d S i g n a l

R

e c y l i n g , 1 d B f r e q u e n c y d e p e n d e n t s q u e e z i n g , 2 1 1 k g m i r r

r

s , 1 5 5 n m .

S

e i s mi c :

–

1 7 m S u p e r a t t e n u a t

r

.

G

r a v i t y g r a d i e n t :

–

U n d e r g r

u

n d .

M

i r r

r

t h e r ma l :

–

1 K , S i l i c

n

, 9 c m b e a m r a d i u s , T E M .

S

u s p e n s i

n

T h e r ma l :

–

P e n u l t i m a t e m a s s @2 K , 3 m m d i a m e t e r s i l i c

n

f i b r e s , 2 m l

n

g .

SLIDE 9

05-12-2018 Séminaire Dautreppe 2018 9

E T – H i g h F r e q u e n c y

Q

u a n t u m n

i

s e :

–

3 M W ( a r m p

w

e r ) , 2 k g f u s e d s i l i c a m i r r

r

s , 6 3 c m Ø . t u n e d S i g n a l

R

e c y l i n g , 1 d B S q u e e z i n g ,

S

u s p e n s i

n

T h e r ma l a n d S e i s mi c :

–

S u p e r a t t e n u a t

r

( s t a n d a r d V i r g

)
G

r a v i t y g r a d i e n t :

–

N

s

u b t r a c t i

n

n e e d e d

T

h e r ma l n

i

s e :

–

2 9 K , 1 2 c m b e a m r a d i u s , f u s e d S i l i c a , L G 3 3 .

SLIDE 10

05-12-2018 Séminaire Dautreppe 2018 10

X y l

p

h

n

e d e t e c t

r

s e n s i t i v i t y

SLIDE 11

05-12-2018 Séminaire Dautreppe 2018 11

X y l

p

h

n

e d e t e c t

r

s u m m a r y :

E

T – L F :

–

U n d e r g r

u

n d

–

N e w s e i s m i c s u s p e n s i

n

s

–

C r y

g

e n i c s

–

S i l i c

n

( s a p p h i r e ) t e s t m a s s e s

–

N e w l a s e r w a v e l e n g h t

E

T – H F

–

H i g h p

w

e r l a s e r

–

T h e r m a l c

m

p e n s a t i

n

s

–

L a g u e r r e

G

a u s s m

d

e

C
m

m

n

c h a r a c t e r i s t i c s :

–

L a r g e t e s t m a s s e s

–

N e w c

a

t i n g s

–

F r e q u e n c y d e p e n d e n t s q u e e z i n g

–

L

n

g a r m s ( 1 k m v s 3 k m ) .

P

u s h i n g d

w

n t h e f u n d a m e n t a l s l i m i t s

f

t h e I T F s e n s i t i v i t y m e a n s p u s h i n g d

w

n t h e t e c h n

l
g

i c a l n

i

s e s :

–

E l e c t r

n

i c s n

i

s e .

–

B e t t e r c

n

t r

l

s

f

s t r a y l i g h t s ( n e w a b s

r

b i n g m a t e r i a l s ? ) .

–

O p t i c a l l

s

s e s .

–

P h a s e n

i

s e , m a g n e t i c n

i

s e …

–

P a r a m e t r i c i n s t a b i l i t i e s .

–

U n k n

w

n t e c h n i c a l n

i

s e s ?

–

I m p r

v

e d c a l i b r a t i

n

.

–

. . .

SLIDE 12

05-12-2018 Séminaire Dautreppe 2018 12

E T c

n

c e p t u a l d e s i g n : l a y

u

t

S

t a r t w i t h a s i n g l e ( x y l

p

h

n

e ) d e t e c t

r

.

2

d e t e c t

r

t

r

e s

l

v e G W p

l

a r i z a t i

n

.

3

d e t e c t

r

f

r

r e d u n d a n c y .

SLIDE 13

05-12-2018 Séminaire Dautreppe 2018 13

Wh a t w

u

l d l

k

l i k e a n u n d e r g r

u

n d i n t e r f e r

m

e t e r ?

SLIDE 14

05-12-2018 Séminaire Dautreppe 2018 14

D e s i g n n e e d s t

b

e r e

e

v a l u a t e d

S

i t u a t i

n

c h a n g e d c

m

p a r e d t

2

1 1 .

–

N e w f i n d i n g s f r

m

R & D .

–

N e w c

n

t e x t ( E T n

t

a l

n

e , C

s

m i c e x p l

r

e r ( U S A ) ) .

R

e

e

v a l u a t i

n
f

L

s

h a p e v s t

r i a n g u l a r s h a p e :

–

3 G n e t w

r

k i n s t e a d

f

s t a n d

a

l

n

e

b

s e r v a t

r

y .

–

1 d e t e c t

r

v s 3 d e t e c t

r

s s a v e m

n

e y . ⇒

–

L

s

h a p e r e d u c e s c

m

p l e x i t y .

–

1 5 k m a r m s v s 1 k m .

X

y l

p

h

n

e v s s i n g l e d e t e c t

r

?

R

e

e

v a l u a t i

n
f

t h e d e s i g n h a s j u s t s t a r t e d .

SLIDE 15

05-12-2018 Séminaire Dautreppe 2018 15

X y l

p

h

n

e v s s i n g l e d e t e c t

r

?

From: ET technologies – S. Hild – ET symposium, April 2018

SLIDE 16

05-12-2018 Séminaire Dautreppe 2018 16

X y l

p

h

n

e v s s i n g l e d e t e c t

r

?

From: ET technologies – S. Hild – ET symposium, April 2018

SLIDE 17

05-12-2018 Séminaire Dautreppe 2018 17

Wh e r e ?

3

s i t e s c a n d i d a t e s :

–

L i m b u r g r e g i

n

.

–

M á t r a , H u n g a r y .

–

S a r d i n i a , I t a l y .

SLIDE 18

05-12-2018 Séminaire Dautreppe 2018 18

Wh e r e ?

S

e i s m i c m e a s u r e m e n t s :

Virgo 0 m EUregion -10 m Mátra -400 m Sardegna -185 m

 f [Hz] 0.1 1 10

From: G-B-N site – F. Linde – ET symposium, April 2018

SLIDE 19

05-12-2018 Séminaire Dautreppe 2018 19

Wh y ?

F

u n d a m e n t a l p h y s i c s & g r a v i t y :

–

N a t u r e

f

G W a s p r e d i c t e d b y E i n s t e i n ’ s t h e

r

y ?

–

P h y s i c s

f

g r a v i t a t i

n

a l c

l

l a p s e ?

–

E q u a t i

n
f

s t a t e

f

m a t t e r i n n e u t r

n

s t a r c

r

e ?

–

M a x i m u m m a s s

f

n e u t r

n

s t a r ?

–

. . .

A

s t r

p

h y s i c s & M u l t i m e s s e n g e r

A s t r

n
m

y :

–

H

w

d

C

B f

r

m a n d e v

l

v e s ?

–

P h y s i c a l m e c h a n i s m b e h i n d s u p e r n

v

a e & a s y m m e t r y

f

g r a v i t a t i

n

a l c

l

l a p s e ?

–

N a t u r e

f

n e u t r

n

s t a r c r u s t & i n t e r a c t i

n

w i t h c

r

e ?

–

P

p

u l a t i

n
f

G W s

u

r c e s a t h i g h r e d s h i f t s ?

–

. . .

C
s

m

l
g

y :

–

H

w

d i d t h e b l a c k h

l

e s f

r

m & e v

l

v e s ?

–

Wh a t a r e t h e t r u e d i s t a n c e s

f

c

s

m

l
g

i c a l s

u

r c e s ?

–

. . .

SLIDE 20

05-12-2018 Séminaire Dautreppe 2018 20

Wh e n ?

From: Motivations – M. Punturo – ET symposium, April 2018

SLIDE 21

05-12-2018 Séminaire Dautreppe 2018 21

Wh a t e l s e ?

L

I S A :

–

S p a c e

b

a s e d e x p e r i m e n t ( E S A & N A S A ) .

–

M a s s i v e & g a l a c t i c b i n a r i e s , e x t r e m e m a s s r a t i

i

n s p i r a l s .

–

E a r l y 2 3 s .

–

L I S A p a t h f i n d e r l a u n c h e d w i t h s u c c e s s .

P

T A ( P u l s a r T i m i n g A r r a y ) :

–

S t

c

h a s t i c b a c k g r

u

n d .

–

1 m c l a s s r a d i

t

e l e s c

p

e .

C
s

m i c E x p l

r

e r ( U S A ) :

–

E a r t h

b

a s e d i n t e r f e r

m

e t e r , 3 r d g e n e r a t i

n

.

–

M i d 2 3 s .

SLIDE 22

05-12-2018 Séminaire Dautreppe 2018 22

C

s

m i c E x p l

r

e r

4

k m l

n

g L

s

h a p e i n t e r f e r

m

e t e r .

S

u r f a c e f a c i l i t y .

N
t
i

n t e n d e d a s s t a n d a l

n

e

b

s e r v a t

r

y , r a t h e r 3 G n e t w

r

k .

V
y

a g e r :

u s i n g a c t u a l f a c i l i t i e s ( c r y

g

e n i c s & h i g h p

w

e r , h e a v i e r t e s t m a s s e s ) .

C
s

m i c E x p l

r

e r s e n s i t i v i t y c u r v e s b a s e d

n

e x p e c t e d R & D i m p r

v

e m e n t s .

SLIDE 23

05-12-2018 Séminaire Dautreppe 2018 23

L I S A

I

n t e r f e r

m

e t r i c d e t e c t

r

.

–

3 s p a c e c r a f t s .

–

2 . 5 m i l l i

n

k m b e t w e e n t e s t m a s s e s .

D

e t e c t a b l e s

u

r c e s :

–

U l t r a c

m

p a c t b i n a r i e s .

–

S u p e r m a s s i v e s b l a c k h

l

e m e r g e r s .

–

E x t r e m e m a s s r a t i

n

i n s p i r a l .

L

I S A p a t h f i n d e r l a u n c h e d w i t h s u c c e s s .

E

a r l y 2 3 s .

SLIDE 24

05-12-2018 Séminaire Dautreppe 2018 24

F u t u r e I n s t r u m e n t s e n s i t i v i t y i n a n u t s h e l l

From: gwplotter.com

SLIDE 25

05-12-2018 Séminaire Dautreppe 2018 25

C

n

c l u s i

n
A

c t u a l 2 G d e t e c t

r

s w i l l g

t

h r

u

g h i m p

r

t a n t u p d g r a d e .

E

a r t h

b

a s e d 3 G d e t e c t

r

s a r e b e i n g s t u d i e d :

–

F i r s t s t u d y a t t h e c

r

n e r

f

t h e 2 1 ’ .

–

C

n

c e p t u a l d e s i g n s t u d y n e e d s t

b

e u p d a t e d :

X

y l

p

h

n

e v s s i n g l e d e t e c t

r

i n t e r f e r

m

e t e r ?

S

t a n d

a

l

n

e

b

s e r v a t

r

y v s 3 G n e t w

r

k ?

–

E i n s t e i n T e l e s c

p

e i s m

v

i n g f r

m

a c

m

m u n i t y t

a

c

l

l a b

r

a t i

n

.

S

i t e s e l e c t i

n

.

Wr

i t i n g

f

a T D R .

T

h e r e w i l l b e a l

t

t

d
i

n g r a v i t a t i

n

a l a s t r

n
m

y i n t h e f u t u r e !

SLIDE 26

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Bibliography :
Slides from 9th ET symposium :

https://events.ego-gw.it/indico/conferenceDisplay.py?ovw=True&confId=64

Einstein gravitational waves Telescope Conceptual Design Study.

T h a n k s !

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