Adiabatic laser calorimeter

Details Adiabatic laser calorimeter Adiabatic laser calorimeter

1978-10-02

1980-01-29

Goldstein, Herbert

Measuring and testing

Volume or rate of flow

System

G01K 1700

Patent

active

041854977

ABSTRACT:
A device for measuring energy absorptance of a sample material. A temperature controlled enclosure, in which a sample is suspended, is placed in an evacuated container. Calibration is accomplished by means of a known power dissipation in the sample. The sample material is irradiated by an energy beam of known power and a temperature rise is compared to the calibration temperature rise. Means for scanning the sample is also provided.

REFERENCES:
patent: 3280626 (1966-10-01), Stempel
patent: 3394258 (1968-07-01), Schleiger et al.
patent: 3575048 (1971-04-01), DeBenedictis
patent: 3622245 (1971-11-01), Rasmussen
patent: 3937079 (1976-02-01), Chodzko
patent: 3999706 (1976-02-01), Pinson
patent: 4019381 (1977-04-01), Elmer
patent: 4088447 (1978-05-01), Walker
Cohen et al. "Loss Measurements in Optical Fibers", Z. Balometric Measuring Instrumentation in Applied Optics vol. 13 #11 Nov. 1974 pp. 2523-2524.
Witte "Determination of Low Bulk Absorption Coefficients" in Applied Optics vol. 11 #4 pp. 777-779.
Ponnow et al. "Development of a Calorimetric Method for Making Precision Optical Absorption Measurements" in Applied Optics vol. 12 #5, 5/73, pp. 985-991.
Gray et al. A Dictionary of Physics 2nd Ed. 1975 p. 491.

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