Wave-length selective cut-out device

Details Wave-length selective cut-out device Wave-length selective cut-out device

1976-11-02

1979-03-06

Moskowitz, Nelson

Amplifiers

Parametric amplifiers

Semiconductor type

331 945T, H01S 310

Patent

active

041433327

ABSTRACT:
The cut-out device comprises a saturable absorbing medium and a monochromatic filter disposed between two amplifying media in the path of laser light pulses. The cut-out device forestalls amplification of light spontaneously emitting in one amplification medium by the following amplification medium, thereby reducing energy losses from pumped amplifying media prior to the passage of a laser pulse.

REFERENCES:
patent: 3493885 (1970-02-01), Sorokin
patent: 3586998 (1971-06-01), Gould
patent: 3638137 (1972-01-01), Krupkie
patent: 3700307 (1972-10-01), Glenn
patent: 3754190 (1973-08-01), Cross
patent: 3986130 (1976-10-01), Soures et al.
patent: 3999144 (1976-12-01), Bret
Rheault et al., "One Nanosecond CO.sub.2 Laser Chain . . . Studies," 9/75, pp. 1244-1248, Rev. Sci. Inst., vol. 46, #9.
Schappert et al., "Toward a Zero . . . Laser Power Amplifier," 11/15/74, pp. 602-605, App. Phys. Lett., vol. 25, #10.
Suart, "N.sub.2 F.sub.2 as a Saturable Absorber of CO.sub.2 Laser Radiation," 8/75, I.E.E.E., Jour. Quant. Elect.
Girard et al., "Experiments and Theory . . . with 60ns-1.mu.s Pulses," 6/75, I.E.E.E., Jour. Quant. Elect., vol. QE-11, #6.

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