{HEAD ~ The optical phase modulator} 15 inputs {TAIL ~ coherent light output} from the laser light source 10 and transmitted through a beam splitter 14, phase modulates the light according to the position on a beam cross section of the light, and outputs the phase modulated light to the beam splitter 14 
inputs
{ HEAD ~ The optical phase modulator } 15 inputs { TAIL ~ coherent light output } from the laser light source 10 and transmitted through a beam splitter 14 , phase modulates the light according to the position on a beam cross section of the light , and outputs the phase modulated light to the beam splitter 14
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH