Radiant energy – Invisible radiant energy responsive electric signalling – Infrared responsive
Patent
1989-12-22
1991-09-10
Hannaher, Constantine
Radiant energy
Invisible radiant energy responsive electric signalling
Infrared responsive
250343, 2503541, 356318, 356436, G01N 2139, G01J 300
Patent
active
050476394
ABSTRACT:
A concentration detector having a light source that is responsive to a chemical absorption peak to produce substantially monochromatic light at a wavelength of this absorption peak. The wavelength can be stabilized against an absorption peak in a reference chemical or by an absorption peak in a sample being measured in the concentration detector.
REFERENCES:
patent: 3995960 (1976-12-01), Fletcher et al.
patent: 4068125 (1978-01-01), Bell
patent: 4084906 (1978-04-01), Bibbero
patent: 4410273 (1983-10-01), Mantz et al.
patent: 4557603 (1985-12-01), Oehler et al.
patent: 4684258 (1987-08-01), Webster
patent: 4684805 (1987-08-01), Shu-Ti Lee et al.
patent: 4748632 (1988-05-01), Preston
patent: 4780613 (1988-10-01), Berstein et al.
patent: 4883963 (1989-11-01), Kemeny et al.
patent: 4934816 (1990-06-01), Silver et al.
Tsuchida, et al., "Frequency Stabilization of AlGaAs Semiconducter Laser to the Absorption Line of Water Vapor", Japanese Jour. of Applied Physics, vol. 21, No. 1, 1982, pp. L1-L3.
Sollberger, et al., "Frequency Stabilization of Semiconductor Lasers for Applications in Coherent Communication Systems", Journal Lightwave Tech., vol. Lt-5, No. 4, 1987, pp. 485-491.
Wenke, et al., "Characteristics of a Compact Three Cavity Laser Configuration", Journal of Lightwave Tech., vol. LT-5, No. 4, 1987, pp. 608-615.
Raab, et al., "Application of a Diode Laser with an External Resonator in High Resolution Spectroscopy", Sov. J. Quantum Electron, 11(8), 1981, pp. 1068-1071.
Yabuzaki, et al., "Frequency Locking of a GaAlAs Laser to a Doppler-free Spectrum of the Cs-D2 Line", Japanese Jour. of Applied Physics, vol. 20, No. 6, 1981, pp. L451-L454.
Frazzini John A.
Glick Edward J.
Hannaher Constantine
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