Raman sensor

Details Raman sensor Raman sensor

1990-10-18

1993-09-14

Evans, F. L.

Optics: measuring and testing

By dispersed light spectroscopy

With raman type light scattering

385 37, G01J 344, G01N 2165

Patent

active

052454045

ABSTRACT:
A multiwavelength sensor for sensing light scattered from a scattering medium includes a light source, a uniform broadband reflection grating at the Littrow position, a fiber, and a detector. Light from the source is incident on the grating, which diffracts the light. The fiber has a first end into which the light diffracted from the grating is received and has a second end from which the light exits, the fiber being positioned so that the light is incident upon and scattered from the scattering medium. At least some of the light scattered from the medium is scattered back into the second end and out of the first end and incident upon the diffraction grating. Light out of the first end and diffracted from the grating is incident on the detector. The system is fully transparent so that light traveling toward the second end and light traveling back toward the first end are optically isolated and cross-talk is substantially nonexistent.

REFERENCES:
patent: 4640574 (1987-02-01), Unger
patent: 4760569 (1988-07-01), Mohlein
patent: 5026131 (1991-06-01), Jannson et al.

Affiliated with

Also associated with

Rating

Raman sensor does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Raman sensor, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Raman sensor will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2031412