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Title: Thin-film spectroscopic sensor

Abstract

There is disclosed an integrated spectrometer for chemical analysis by evanescent electromagnetic radiation absorption in a reaction volume. The spectrometer comprises a noninteractive waveguide, a substrate, an entrance grating and an exit grating, an electromagnetic radiation source, and an electromagnetic radiation sensing device. There is further disclosed a chemical sensor to determine the pressure and concentration of a chemical species in a mixture comprising an interactive waveguide, a substrate, an entrance grating and an exit grating, an electromagnetic radiation source, and an electromagnetic radiation sensing device.

Inventors:
 [1];  [2]
  1. (Seattle, WA)
  2. Richland, WA
Issue Date:
Research Org.:
Battelle Memorial Institute, Columbus, OH (United States)
OSTI Identifier:
868141
Patent Number(s):
5082629
Assignee:
Board of University of Washington (Seattle, WA); Battelle Development Corporation (Richland, WA)
Patent Classifications (CPCs):
G - PHYSICS G01 - MEASURING G01J - MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED, VISIBLE OR ULTRA-VIOLET LIGHT
G - PHYSICS G01 - MEASURING G01N - INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
DOE Contract Number:  
AC06-76RL01830
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
thin-film; spectroscopic; sensor; disclosed; integrated; spectrometer; chemical; analysis; evanescent; electromagnetic; radiation; absorption; reaction; volume; comprises; noninteractive; waveguide; substrate; entrance; grating; exit; source; sensing; device; determine; pressure; concentration; species; mixture; comprising; interactive; radiation absorption; reaction volume; active waveguide; radiation sensing; chemical analysis; chemical sensor; electromagnetic radiation; chemical species; radiation source; sensing device; mixture comprising; chemical specie; spectrometer comprises; evanescent electromagnetic; /422/356/385/

Citation Formats

Burgess, Jr., Lloyd W., and Goldman, Don S. Thin-film spectroscopic sensor. United States: N. p., 1992. Web.
Burgess, Jr., Lloyd W., & Goldman, Don S. Thin-film spectroscopic sensor. United States.
Burgess, Jr., Lloyd W., and Goldman, Don S. Wed . "Thin-film spectroscopic sensor". United States. https://www.osti.gov/servlets/purl/868141.
@article{osti_868141,
title = {Thin-film spectroscopic sensor},
author = {Burgess, Jr., Lloyd W. and Goldman, Don S},
abstractNote = {There is disclosed an integrated spectrometer for chemical analysis by evanescent electromagnetic radiation absorption in a reaction volume. The spectrometer comprises a noninteractive waveguide, a substrate, an entrance grating and an exit grating, an electromagnetic radiation source, and an electromagnetic radiation sensing device. There is further disclosed a chemical sensor to determine the pressure and concentration of a chemical species in a mixture comprising an interactive waveguide, a substrate, an entrance grating and an exit grating, an electromagnetic radiation source, and an electromagnetic radiation sensing device.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1992},
month = {1}
}

Works referenced in this record:

Grating couplers as integrated optical humidity and gas sensors
journal, April 1985


Sensitivity of grating couplers as integrated-optical chemical sensors
journal, January 1989


Fabrication of tapers and lenslike waveguides by a microcontrolled dip coating procedure
journal, January 1988


Sensitivity of integrated optical grating and prism couplers as (bio)chemical sensors
journal, November 1988


Integrated optical switches and gas sensors
journal, January 1984


Integrated optical input grating couplers as biochemical sensors
journal, November 1988


Efficient grating couplers for polymer waveguides
journal, January 1987


Embossing technique for fabricating surface relief gratings on hard oxide waveguides
journal, January 1986