Huanhuan Li, Xiaolei Zhu, Xiuhuan Ma, Shiguang Li, Weibiao Chen. Nanosecond high-pulse energy 1.57 μm KTA optical parametric amplifier with time delay[J]. Chinese Optics Letters, 2015, 13(11): 111402
- Chinese Optics Letters
- Vol. 13, Issue 11, 111402 (2015)
Fig. 1. Signal gain as a function of the crystal length.
Fig. 2. Experimental setup of the KTA-OPA system.
Fig. 3. (a) Pump profiles after the OPA1 and OPA2 stages. (b) Signal pulse energy increasing with crystal length.
Fig. 4. Pump profiles evolution.
Fig. 5. (a) Signal pulse profiles of OPO and OPA. (b) The measured waist variation of the OPA signal beam.
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