Method of producing a small beam expansion of laser light

Details Method of producing a small beam expansion of laser light Method of producing a small beam expansion of laser light

1992-10-02

1994-02-15

Epps, Georgia Y.

Coherent light generators

Particular pumping means

372 70, 372 38, H01S 3091, H01S 3102

Patent

active

052873790

ABSTRACT:
A method of producing a small expansion of laser light, in a pulse laser apparatus, including producing a small preliminary laser light by pumping a laser medium, and then, after an appropriate time lag, then pumping the preliminary laser medium at a higher intensity than the first pumping, thereby producing a laser light which is smaller in beam expansion than in the case where a preliminary pumping is not performed. The laser light which is smaller in beam expansion is due to the population inversion occurring in a small beam expansion part of pulse laser light obtained by the preliminary pumping.

REFERENCES:
patent: 4606034 (1986-08-01), Eden et al.

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