: 
=——3=<—= Hologram | 
Plate : 
| M7 
14 10 OBJECT 
| p. 
L2 
ATT | ^ a Mi 
| F. 
SE n lue 
Y E FIG:4 
I-R3 
  
PATH 
& = 
he 
  
BEAM 
  
OSCILLATOR 
—. 
  
AMPLIFIER 2 
  
  
  
  
  
„REFERENCE 
  
  
  
  
  
  
  
AMPLIFIER 1 
  
Oo 
v 
~N 
- ue 
n 
— 
ros 
AER 
  
  
  
t ^ FIG: 10 
  
  
  
  
  
  
  
  
  
INTERVAL 
  
  
  
  
  
FIG:3 FIG: 11 
109