Laser power meter

Thermal measuring and testing – Calorimetry – Total radiant energy or power measurement

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356216, G01K 1700

Patent

active

053163800

ABSTRACT:
An isoperibol calorimeter type laser power meter including a laser beam energy absorber, apparatus for measuring the change in temperature of the absorber, electronic timing apparatus for defining a period of time over which a change in temperature of the absorber takes place and apparatus operative in response to a measured change in temperature over the period of time to provide an output indication of laser power.

REFERENCES:
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patent: 3459945 (1969-08-01), Astheimer et al.
patent: 3622245 (1971-11-01), Rasmussen
patent: 3939706 (1976-02-01), Pinson
patent: 4567373 (1986-01-01), O'Meara, Jr. et al.
patent: 4606651 (1986-08-01), Anitoff
patent: 4701619 (1987-10-01), Carter
patent: 4820916 (1989-04-01), Patriquin
patent: 4964735 (1990-10-01), Sasnett et al.
"A Real-Time Visual Display of a High-Power Laser Beam" I. W. Boyd et al, J. Phys. E. Sci. Instrum., vol. 15, Apr. 1982 (G.B.) pp. 421-422.
"Calorimetric Measurement of Optical Power from Pulsed Lasers", by S. E. Smathers and George Maksymonko, pp. 431-433 IEEE Transactions vol. 4 Nov. 1972.
"Calorimetric Measurements of Laser Energy and Power", by Stuart R. Gunn, pp. 105-115.

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