Double bevel gradient-index rod lens optical receiver having hig

Details Double bevel gradient-index rod lens optical receiver having hig Double bevel gradient-index rod lens optical receiver having hig

1991-02-15

1993-06-22

Fields, Carolyn E.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

25022724, 359652, 385 34, G02B 600

Patent

active

052218392

ABSTRACT:
A gradient-index (GRIN) rod lens for use in an optical receiver, in which the end face of the GRIN rod lens opposite a photodetector is bevelled. The resulting optical receiver achieves an optical return loss which is >10 dB higher than known optical receivers having a bevelled end solely on an optical launch side of the GRIN rod lens.

REFERENCES:
patent: 4331380 (1982-05-01), Rees et al.

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