Etalon and single-longitudinal-mode laser using the same

Details Etalon and single-longitudinal-mode laser using the same Etalon and single-longitudinal-mode laser using the same

1994-10-17

1996-04-09

Scott, Jr., Leon

Coherent light generators

Particular resonant cavity

Specified cavity component

372 92, 372 19, 372 21, H01S 308

Patent

active

055068600

ABSTRACT:
A single-longitudinal-mode laser comprises a laser medium, an etalon, and a resonator. The etalon is located in the resonator in a state such that two light passage end faces of the etalon, which are parallel to each other, may make a predetermined angle with respect to a resonator axis. The longitudinal mode of the etalon coincides with a gain peak wavelength of the laser medium. The single-longitudinal-mode laser is free from the problems in that the threshold value of the pumping power for the oscillation of the laser becomes large, in that the output power of the laser becomes low, in that the profile of the radiated beam becomes distorted, and in that the single longitudinal mode characteristics become bad.

REFERENCES:
patent: 4656635 (1987-04-01), Baer et al.
C. S. Adams et al., Single-Frequency Operation Of A Diode-Pumped Lanthanum-Neodymium-Hexaaluminate Laser By Using A Twisted-Mode Cavity, Optics Letters/vol. 18, No. 6, Mar. 15, 1993 (P420-422).

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