The optical isolator element may be formed with {HEAD ~ a rectangular configuration} in {TAIL ~ conformity} to the arranged form of a plurality of laser active regions of a laser array 
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The optical isolator element may be formed with { HEAD ~ a rectangular configuration } in { TAIL ~ conformity } to the arranged form of a plurality of laser active regions of a laser array
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH