Optical cavity for exclusively receiving light parallel to an op

Details Optical cavity for exclusively receiving light parallel to an op Optical cavity for exclusively receiving light parallel to an op

1997-05-05

1998-05-05

Palmer, Phan T. H.

Optical waveguides

With optical coupler

Particular coupling structure

385 33, 385901, 362 32, G02B 626

Patent

active

057488169

ABSTRACT:
A tube (1) is shown for coupling with, in particular, optical transmitter and/or receiver elements (2), and with means for suppressing interfering radiation, in which the means for suppressing interfering radiation consist of multiply reflecting surfaces (15) which absorb interfering radiation and which are formed by a plurality of ribs (11) which respectively extend substantially along a plane extending through the optical axis of the tube (1).

REFERENCES:
patent: 5018832 (1991-05-01), Terunuma
patent: 5271077 (1993-12-01), Brockman et al.
patent: 5309544 (1994-05-01), Saxe
patent: 5339382 (1994-08-01), Whitehead

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