Moreover, the distance between the semiconductor laser tip 2 and {HEAD ~ the laser driving IC} 6 is set to {TAIL ~ a minimum value} so that electric frequency characteristic can be improved 
Moreover , the distance between the semiconductor laser tip 2 and { HEAD ~ the laser driving IC } 6 is set to { TAIL ~ a minimum value } so that electric frequency characteristic can be improved
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH