A compact,widely tunable intracavity PPLN optical parameter oscillator driven by an Nd:YAG/Cr:YAG composite crystal laser |
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| Authors: | X -Q Yang J -F Yang B -T Zhang S -D Liu |
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| Institution: | 1.Shandong Provincial Key Laboratory of Laser Polarization and Information Technology, Department of Physics,Qufu Normal University,Qu’fu,China;2.State Key Laboratory of Crystal Materials, Institute of Crystal Materials,Shandong University,Ji’nan,China |
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| Abstract: | Based on periodically poled lithium niobate (PPLN), a mini intracavity optical parameter oscillator (IOPO) driven by an diode-end-pumped
composite Nd3+:YAG/Cr4+:YAG laser was demonstrated. The PPLN wafer has 20 domain reversal periods from 27.8 to 31.6 μm with a step of 0.2 μm between
the neighbor periods. The output signal laser of OPO can be widely tunable in the range of 1402–1676 nm by changing the period
at a certain temperature of 50°C. Under the diode pump power of 14 W, the maximum average output power of 600 mW at 1534 nm
with pulse width of 2.0 ns and repetition rate of 16 kHz was obtained, corresponding to a peak power of 18.7 kW and a single
pulse energy of 37.5 μJ, respectively. |
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