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V P Gribkovskiĭ, V A Zaporozhchenko, V A Ivanov, A V Kachinskiĭ, V V Parashchuk and G P Yablonskiĭ
© 1979 American Institute of Physics
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Citation V P Gribkovskiĭ et al 1979 Sov. J. Quantum Electron. 9 1305
DOI 10.1070/QE1979v009n10ABEH009526
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Stimulated emission was observed when ZnTe, ZnSe, and CdS single crystals were exposed to two-photon excitation by a train of ruby laser picosecond pulses. The lasing wavelengths for ZnTe, ZnSe, and CdS crystals were 530, 450, and 495 nm, respectively. The angular divergence was 19–21° and the laser action occurred at peak exciting pulse intensities of around 1 GW/cm2.