Coherent light generators – Particular resonant cavity – Specified cavity component
Patent
1992-06-30
1993-10-19
Epps, Georgia Y.
Coherent light generators
Particular resonant cavity
Specified cavity component
372 98, 372 92, 359300, H01S 308
Patent
active
052552837
ABSTRACT:
A process for making a custom phase-conjugated circular mirror to be used in a laser resonator that will suit specifications of a user is provided. The mirror reverses wavefront of one particular input beam .PSI..sub.o (x) determined by the user, the input beam .PSI..sub.o (x) having a given wavelength, the laser resonator including the mirror and an output coupler cooperating with the mirror and separated therefrom by a laser gain medium, the mirror being at a distance L from the output coupler. The process comprises steps of (a) determining the input beam .PSI..sub.o (x) that will suit need of the user; (b) calculating equation of .PSI..sub.L (x) which is a value of the input beam .PSI..sub.o (x) that is propagated through said laser gain medium at distance L; (c) calculating phase .PHI..sub.o (x) of the input beam, which is a phase of the input beam .PSI..sub.o (x) at distance L, the phase .PHI..sub.o (x) determining profile of the custom phase-conjugated mirror; and (d) fabricating the custom phase-conjugated mirror according to the profile determined in step (c), whereby a custom phase-conjugated mirror can be provided to suit the specifications of the user. There is also provided a mirror made according to the above-mentioned method.
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Belanger Pierre-Andre
Lachance Richard L.
Pare Claude
Van Neste Richard
Bednarek Michael D.
Epps Georgia Y.
Universite Laval
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