Solid state laser apparatus

Details Solid state laser apparatus Solid state laser apparatus

1995-04-12

1996-12-03

Bovernick, Rodney B.

Coherent light generators

Particular active media

Insulating crystal

372 66, H01S 316

Patent

active

055815693

ABSTRACT:
A solid state laser apparatus includes a laser medium of a uniaxial crystal, such as a fluoride crystal, having a negative temperature variation ratio of refractive index, laser diodes for optically pumping the laser medium, a set of mirrors positioned at two longitudinal ends of the laser medium for oscillating the light in the laser medium and outputting a beam, and a system for cooling the laser medium. The thermal lens effect is suppressed by causing a thermal gradient to exist along only one chosen axis of the laser medium and eliminating the thermal lens diopter along the chosen axis by optimizing a ratio L/D of length L and diameter D of the laser medium.

REFERENCES:
patent: 4713820 (1987-12-01), Morris et al.
"CV Laser Operation of Nd:YLF" by Pollak et al.; IEEE Journal of Quantum Electronics, vol. QE-18, No. 2, Feb. 1982, pp. 159-163.

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