Internally stimulated optical parametric oscillator/laser

Details Internally stimulated optical parametric oscillator/laser Internally stimulated optical parametric oscillator/laser

1991-10-15

1993-03-16

Healy, Brian

Coherent light generators

Particular resonant cavity

Plural cavities

372 10, 372 20, 372 98, 372 70, 372 21, 372 22, 372 99, 359330, 359334, 359346, 359345, H01S 3081, H03F 700

Patent

active

051951045

ABSTRACT:
An optical parametric oscillator/laser system includes an optical pump source for generating pump radiation and an embedded dual optical resonator containing an optical parametric oscillator/laser crystal. The embedded dual optical resonator includes a laser resonator and an optical parametric oscillator resonator. The OPOL crystal is an optical parametric oscillator material doped with ions that exhibit lasing transitions. The pump radiation stimulates generation of laser radiation. When the laser radiation reaches the parametric threshold, optical parametric radiation is generated. In one embodiment, the laser resonator and the OPOL resonator are each defined by spaced-apart mirrors. In another embodiment, the OPOL system includes an OPOL rod having end caps at each end. Each end cap includes surfaces for internally reflecting the laser radiation and the parametric optical radiation in a closed loop path so that the OPOL rod and the end caps define an optical resonator. The parametric radiation of the OPOL system is tunable over a broad wavelength range.

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