Unstable optical cavity with modified fresnel zone

Details Unstable optical cavity with modified fresnel zone Unstable optical cavity with modified fresnel zone

1986-07-25

1988-09-06

Tarcza, Thomas H.

Amplifiers

Parametric amplifiers

Semiconductor type

372 95, H01S 308

Patent

active

047696141

ABSTRACT:
An improved unstable optical cavity for optical amplifiers or laser oscillators is made effectively single mode by altering the central Fresnel zone of the back mirror in order to provide constructive interference at the plane of the output aperture.

REFERENCES:
patent: 3573656 (1971-04-01), Marcatili
patent: 3577094 (1971-05-01), Tomlinson
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patent: 3873942 (1975-03-01), Reilly
patent: 4025172 (1977-05-01), Freiberg
patent: 4050036 (1977-09-01), Chambers et al.
patent: 4170405 (1979-10-01), Sziklas
patent: 4219254 (1980-08-01), Macken
patent: 4267524 (1981-05-01), Paxton et al.
patent: 4393303 (1983-07-01), Spinhirne
patent: 4477909 (1984-10-01), Salvi et al.
"Optics", Hecht et al., 1979, pp. 375-376, Addison-Wesley.
"Introduction to Classical and Modern Optics", Jurgen R. Meyer-Arendt, 1972, pp. 200-202.

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