Optical fiber connector and optical density measuring system

Details Optical fiber connector and optical density measuring system Optical fiber connector and optical density measuring system

1989-06-09

1990-10-16

Evans, F. L.

Optics: measuring and testing

By shade or color

With color transmitting filter

356419, 356 36, 350 9615, 350 9618, 350 9621, G01N 2100, G02B 636

Patent

active

049630270

ABSTRACT:
An optical density measuring system has a light projecting system which includes a light source and an optical fiber bundle which transmits light emitted from the light source to the specimen. The optical fiber bundle consists of first and second portions which are connected by an optical fiber connector. The connector includes a first optical fiber plug which holds the light emanating end face of the first portion of the bundle, a second optical fiber plug which holds the light incident end face of the second portion of the bundle, a plug holder which can be mated with both the first and second optical fiber plugs in such a manner that the light emanating end face of the first portion and the light incident end face of the second portion are closely opposed to each other, and an optical filter which transmits only light having a selected wavelength and is mounted on the plug holder in a position in which the optical filter is interposed between the light emanating end face of the first portion and the light incident end face of the second portion.

REFERENCES:
patent: 3697185 (1972-10-01), Kassel et al.
patent: 4061428 (1977-12-01), Amano et al.
patent: 4261640 (1981-04-01), Stankos et al.
patent: 4717234 (1988-01-01), Barlow et al.

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