Diode-pumped eye-safe laser source exceeding 1 percent efficiency

Diode-pumped eye-safe laser source exceeding 1 percent efficiency

An all-solid-state, diode-pumped, eye-safe laser source at 1.61 micron is described, based on an Nd:YAG laser and a noncritically phase-matched KTP optical parametric oscillator. Total energy conversion efficiencies of the 1.064-micron pump to 1.61-micron signal and 3.1-micron idler approach 50 perc...

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Veröffentlicht in:Optics letters 1991-11, Vol.16, p.1680-1682
Hauptverfasser: MARSHALL, LARRYR, Kasinski, Jeff, BURNHAM, RALPHL
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container_title Optics letters
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creator MARSHALL, LARRYR
Kasinski, Jeff
BURNHAM, RALPHL
description An all-solid-state, diode-pumped, eye-safe laser source at 1.61 micron is described, based on an Nd:YAG laser and a noncritically phase-matched KTP optical parametric oscillator. Total energy conversion efficiencies of the 1.064-micron pump to 1.61-micron signal and 3.1-micron idler approach 50 percent, with 35 percent conversion to 1.61 micron alone. This device produces 1.6 mJ at 1.61 micron with a wallplug efficiency of 1.1 percent and is readily scalable to higher energies. Tunability over 1.6 to 1.54 micron is obtained by rotation of the KTP crystal about its z axis, with 1.54-micron output obtained for propagation along the y axis under noncritical phase matching. (Author)
doi_str_mv 10.1364/OL.16.001680
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title Diode-pumped eye-safe laser source exceeding 1 percent efficiency
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