A. S. Davtian

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We investigated the possibility of a solid-state 946 nm Nd:YAG laser with high peak and average power with target parameters: 70 mJ, 50 Hz development. For Q-switching we applied the electro-optical modulator, based on RKTP. In this paper we report about the enhancing of system efficiency and output energy.
End pumped Nd:YAG ring laser with electro-optical Q-switcher was built. Pumping of each laser rod is provided by 45 Watt laser diode module coupled in high-brightness fiber. Single-frequency and unidirectional performance of laser is provided with injection seeding. End overheating of active rod was reduced by using low-concentration active medium.(More)
The stable Nd:YAG laser with 12mJ@100Hz and M<sup>2</sup>&lt;;1.2 was designed. RMS fluctuation of pulse energy was less than 1%. Pulse shape was set by unloads Cr<sup>4+</sup>:YAG polarizing output alignment. For pulse duration tuning the Cr<sup>4+</sup>:YAG orientation was used. The optical-to-optical efficiency of 14% was achieved.
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