Gain width and rise time studies of pulsed unstable optical parametric oscillators |
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Authors: | S Zou M Gong Q Liu P Yan G Chen |
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Institution: | (1) Center for Photonics and Electronics, State Key Laboratory of Tribology, Department of Precision Instruments and Mechanology, Tsinghua University, Beijing, 100084, P.R. China |
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Abstract: | Gain width and rise time of a pulsed singly resonant unstable optical parametric oscillator have been investigated based on
theoretical models of parametric gain and threshold in the spherical wave assumption. A simplified analytic expression for
the gain width is derived, which has been illustrated to be of adequate accuracy for the theoretical model. It is demonstrated
that the theoretical model and analytic expression are applicable to the plane-parallel resonator when some special values
are taken. The gain width and rise time are found to be determined by important parameters, such as cavity physical length,
cavity magnification factor, reflectance of the output coupler, input pump peak power, and pump pulse width.
PACS 42.60.Da; 42.65.Yj |
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Keywords: | |
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