Spectroscope utilizing a coupler to concurrently apply parallel

Details Spectroscope utilizing a coupler to concurrently apply parallel Spectroscope utilizing a coupler to concurrently apply parallel

1996-03-18

1998-02-03

Turner, Samuel A.

Optics: measuring and testing

By particle light scattering

With photocell detection

356345, G01B 902

Patent

active

057150559

ABSTRACT:
A spectroscope comprising an optical fiber placed in a light path to a sample chamber, wherein a light beam outputted from the optical fiber is divided into two using an optical coupler, and wherein the two divided light beams are made incident on a measurement optical fiber and a reference optical fiber, respectively, whereby accuracy of measurement of the spectral characteristics of samples is enhanced because the outgoing light is made incident on the measurement and reference optical fibers concurrently when the light to the sample chamber becomes non-uniform due to environmental changes.

REFERENCES:
patent: 4538910 (1985-09-01), Doyle
patent: 4596466 (1986-06-01), Ulrich
patent: 5212748 (1993-05-01), Curtiss et al.

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