Comparison of Raman and degenerated optical parametric oscillators for a high-energy and high-repetition-rate eye-safe laser

Gilles Roy; Pierre Mathieu

doi:10.1117/1.601112

1 December 1996 Comparison of Raman and degenerated optical parametric oscillators for a high-energy and high-repetition-rate eye-safe laser

Gilles Roy, Pierre Mathieu

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Optical Engineering, Vol. 35, Issue 12, (December 1996). https://doi.org/10.1117/1.601112

A high-pressure laminar flow, methane-filled Raman cell has been used for nonlinear conversion of a 100-Hz Nd-YAG laser operating at 1.06?m to eye-safe radiation at 1.54 ?m. The laminar flow is obtained between two concentric cylinders rotating at the same angular velocity. Using a noncritically phase-matched optical parametric oscillator, the same laser source was also converted to 1.57 ?m eye-safe radiation. Pump recirculation was used in both cases. Good conversion efficiencies, almost independent of the pulse repetition rate, were obtained with both conversion techniques.

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Gilles Roy and Pierre Mathieu "Comparison of Raman and degenerated optical parametric oscillators for a high-energy and high-repetition-rate eye-safe laser," Optical Engineering 35(12), (1 December 1996). https://doi.org/10.1117/1.601112

Published: 1 December 1996

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