Light source devices for endoscopes

Details Light source devices for endoscopes Light source devices for endoscopes

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

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