High-power, compact, diode-pumped, tunable laser

Optical: systems and elements – Optical frequency converter – Harmonic generator

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372 20, 372 22, 372 75, 372 95, G02F 137, H01S 3094

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053174470

ABSTRACT:
A high-power semiconductor diode laser or array of semiconductor diode lasers (14) optically end-pumps a compact, tunable, solid-state laser (28) with a pumping beam (74) well-matched to the absorption bandwidth and mode volume (78) of the solid-state laser (28). Tilted birefringent plates (210) positioned within the solid-state resonator cavity (16) are employed to control the spectral bandwidth and wavelength output of the waveguide pumping beam (204). Infrared output (100) generated by such a solid-state laser (28) is coupled into a nonlinear waveguide (200) and converted to visible output (206) through the process of second-harmonic generation.

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