A light source device 1 includes {TAIL ~ a laser light source} 10 and {HEAD ~ an optical phase modulator} 15 or the like 
A light source device 1 includes { TAIL ~ a laser light source } 10 and { HEAD ~ an optical phase modulator } 15 or the like
OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH