High-power optical parametric oscillator based on a high-pulse repetition rate, master Nd : KGW laser
M. V. Bogdanovicha, A. V. Grigor'eva, K. I. Lantsova, K. V. Lepchenkova, A. G. Ryabtseva, G. I. Ryabtseva*, M. A. Shchemeleva, V. S. Titovetsa, L. Agrawalb, A. Bhardwajb
a B. I. Stepanov Institute of Physics, National Academy of Sciences of Belarus, Minsk
b Laser Science and Technology Centre, India
An optical scheme of an optical parametric oscillator with a master laser based on an Nd : KGW active element excited by two orthogonally oriented diode side pump modules is proposed to form radiation pulses with energies above 30 mJ and a repetition rate of 1 – 20 Hz in the eye-safe spectral range of 1.5 – 1.6 μm. The two-module excitation of the active medium makes the distribution of the master laser radiation intensity in the output beam cross section more uniform and provides a reliable operation of the optical parametric oscillator.
optical parametric oscillator, two-module diode side pumping, biaxial Nd:KGW crystal, eye-safe spectral range of 1.5 – 1.6 μm, radiation energy, pulse repetition rate.
* Author to whom correspondence should be addressed
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Quantum Electronics, 2017, 47:4, 308–312
M. V. Bogdanovich, A. V. Grigor'ev, K. I. Lantsov, K. V. Lepchenkov, A. G. Ryabtsev, G. I. Ryabtsev, M. A. Shchemelev, V. S. Titovets, L. Agrawal, A. Bhardwaj, “High-power optical parametric oscillator based on a high-pulse repetition rate, master Nd : KGW laser”, Kvantovaya Elektronika, 47:4 (2017), 308–312 [Quantum Electron., 47:4 (2017), 308–312]
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