Optical waveguides – With optical coupler – Input/output coupler
Patent
1994-09-30
1996-02-13
Ullah, Akm E.
Optical waveguides
With optical coupler
Input/output coupler
385119, 359708, 359718, 362335, G02B 636
Patent
active
054917654
ABSTRACT:
A light source device for endoscopes comprising a light source lamp, a light guide fiber bundle and a collector optical system of the light source device for collecting rays emitted from the light source lamp onto an end surface of incidence of a light guide fiber bundle, and satisfying the condition shown below. This light source device is compact and allows rays to be incident onto the light guide fiber bundle at a high efficiency.
REFERENCES:
patent: 4824225 (1989-04-01), Nishioka
patent: 4952040 (1990-08-01), Igarashi
patent: 4953937 (1990-09-01), Kikuchi
patent: 5005957 (1991-04-01), Kanamori et al.
patent: 5270825 (1993-12-01), Takasugi
Olympus Optical Co,. Ltd.
Ullah Akm E.
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