Solid-state spectrally-pure linearly-polarized pulsed fiber ampl

Details Solid-state spectrally-pure linearly-polarized pulsed fiber ampl Solid-state spectrally-pure linearly-polarized pulsed fiber ampl

1998-06-12

1999-06-01

Hellner, Mark

Optical: systems and elements

Optical amplifier

Optical fiber

359347, 372 6, 372 25, H01S 300, H01S 330

Patent

active

059093064

ABSTRACT:
A solid-state laser source of tunable and narrow-bandwidth UV light is disclosed. The system utilizes a fiber amplifier in a resonant cavity. An acousto-optic or electro-optic modulator is incorporated into the cavity in such a way that the energy stored in the gain medium is efficiently extracted in the form of high-peak-power, short-duration pulses. In addition, narrow bandwidth and linearly polarized output are simultaneously achieved. The light from the cavity is converted into the ultraviolet by frequency tripling, quadrupling, and/or quintupling the infrared light. The narrow bandwidth, or relatively pure light, is preserved with intracavity filtering, and the high peak light powers increase the efficiency of the nonlinear crystals in the frequency conversion stage.

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