Calorimeter for an unstable laser resonator

Details Calorimeter for an unstable laser resonator Calorimeter for an unstable laser resonator

1974-12-11

1976-02-10

Goldstein, Herbert

Measuring and testing

Volume or rate of flow

System

331 945C, G01K 1700

Patent

active

039370798

ABSTRACT:
An internal cavity calorimeter for measuring the output power from an edge coupled unstable laser resonator with a variable rectangular mode geometry while containing the radiation inside the resonator. The 45.degree. output coupling mirror of a conventional edge coupled unstable cavity is replaced by a calorimeter assembly including an absorbing copper plate having a rectangular hole of variable width w and height h to define a rectangular mode of variable width Mw and height Mh within the geometric optics approximation where M is the magnification.

REFERENCES:
patent: 3289101 (1966-11-01), Masters et al.
patent: 3426293 (1969-02-01), Snitzer
patent: 3466566 (1969-09-01), Patel
patent: 3573656 (1971-04-01), Marcatili
patent: 3622245 (1971-11-01), Rasmussen
patent: 3738168 (1973-06-01), Mansell
patent: 3783685 (1974-01-01), Zeiders et al.

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