略語大辞典 [Opt] 23 RIN relative intensity noise 相対強度雑音.relative intensity noise; in optical (communication) signals; e.g. of a laser; ref. DFB(distributed feedback) laser hasexceptionally low noise, RIN = -160 dB/Hz, and an optical link is limited basically by optical shot noise; [Opt:C:E]. 丸善「略語大辞典」JLogosID : 11857814