Browsing by Author "Yen, W. C."

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Compact efficient eye-safe intracavity optical parametric oscillator with a shared cavity configuration
(2007-06-10)
Chen, Y. F.
;
Su, K. W.
;
Chang, Y. T.
;
Yen, W. C.
;
電子物理學系
We present a compact efficient eye-safe intracavity optical parametric oscillator pumped by a passively Q-switched Nd:YAG laser in a shared cavity configuration. A signal pulse of 3.3 mJ energy at a 1573 nm wavelength with a peak power of 150 kW was achieved. The effective conversion efficiency with respective to the optimized 1064 nm Q-switched pulse energy was as high as 51%. (C) 2007 Optical Society of America.
Subnanosecond mJ eye-safe laser with an intracavity optical parametric oscillator in a shared resonator
(2009-02-02)
Huang, Y. P.
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Chang, H. L.
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Huang, Y. J.
;
Chang, Y. T.
;
Su, K. W.
We theoretically verify that the threshold of an intracavity optical parametric oscillator pumped by a passively Q-switched laser is entirely controlled by the bleach of the saturable absorber not by the signal output reflectivity. We use a series of different output couplers to optimize the output performance. With a signal output reflectivity of 15%, we experimentally achieve an efficient subnanosecond eye-safe laser with 3.3 mJ pulse energy and 1.5 MW peak power. @ 2008 Optical Society of America