Coherent light generators – Free electron laser
Patent
1987-01-30
1988-02-02
Scott, Jr., Leon
Coherent light generators
Free electron laser
372108, 372101, 372 99, H01S 300
Patent
active
047232471
ABSTRACT:
A self-aligning, high-power, free electron laser (FEL) oscillator 10, comprises a self-aligning feedback, element 12 located near the electron beam input end 14 l of the FEL wiggler 16; a partially transmitting stimulated Brillouin scattering (SBS) plasma mirror 18 located near the output end 20 of the laser wiggler 16; and a plurality of laser beam expansion elements 32-32.sup.n located in succession on the path of the resulting output laser beam 34 for magnifying the output laser beam 34 to a desired output diameter. A totally reflecting, removable start-up mirror 30 is located between SBS plasma mirror 18 and laser beam expansion elements 32-32.sup.n. The removable start-up mirror 30 provides feedback until the SBS threshold is reached.
REFERENCES:
patent: 3822410 (1974-07-01), Madey
patent: 4529273 (1985-07-01), Cronin-Golomb et al.
P. Hribek, et al., "Model Locking in a Neodymium Glass Laser with a Plasma Mirror" Sov. J. Quantum Electron. 13 (12), Dec. 1983, pp. 1637-1638.
B. Gellert and B. Kronast, "Investigation of Stimulated Brillouin Scattering Under Well-Defined Interaction Conditions", Applied Physics B, Spring 1984, pp. 29-41.
P. Hribek and M. Vrbova, "Nd-Glass Laser with Plasma Mirror", Czech. J. Phys. B 35 (1985), pp. 1331-1340.
Bhowmik Anup
McMullin Wayne A.
Field Harry B.
Ginsberg Lawrence N.
Hamann H. Fredrick
Jr. Leon Scott
Rockwell International Corporation
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