Optical parametric amplifiers and oscillators pumped by tunable laser sources
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United States of America Patent
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Feb 25, 1997
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app pub date -
Apr 20, 1993
filing date -
Apr 20, 1993
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Abstract
Tunable optical parametric amplifiers and oscillators that are pumped by the light from a tunable laser source are disclosed. One possible embodiment uses a tunable solid-state laser pump and an OPA medium or nonlinear crystal, such as potassium titanyl phosphate KTP or barium borate BBO or lithium borate LBO. The second harmonic output from a tunable solid-state laser is also used to pump the OPA medium. A singly or doubly resonant cavity design is preferably used to reduce the oscillation threshold (i.e., the required pump beam power) of the OPO.
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