13 May 1998 Q-switched resonators with a 100% probability of single longitudinal mode lasing
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A review of ways of longitudinal mode selection in solid- state Q-switched oscillators is presented. The following methods are discussed: high precision temperature stabilization of cooling liquid, active element and air; injection of cw radiation from an auxiliary diode-pumped laser into the master cavity; using feedback for compensation of cavity length changes; fast change of round trip cavity length during pumping in combination with a slight exceeding of threshold; using a ring cavity having better selective properties as compared with the linear one. The present survey of various methods for constructing oscillators with 100% probability of single-frequency lasing demonstrates the results achieved in this field as well as the ways of further development. Comparison of advantages and disadvantages of the methods allows choosing an optimal type of master oscillator for each specific application. The ways of Q-switching is also compared from the point of view of mode selection.
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Efim A. Khazanov, Efim A. Khazanov, Nikolay Andreev, Nikolay Andreev, Oleg V. Palashov, Oleg V. Palashov, } "Q-switched resonators with a 100% probability of single longitudinal mode lasing", Proc. SPIE 3267, Laser Resonators, (13 May 1998); doi: 10.1117/12.308115; https://doi.org/10.1117/12.308115

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