Mechanism of dual-wavelength oscillation in Nd:YAG Q-switched laser | Zendy

Yanfeng Lin | Zendy; Ge Zhang | Zendy; Haiyong Zhu | Zendy; Chenghui Huang | Zendy; Li Ai-Hong | Zendy; Yong Wei | Zendy

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Mechanism of dual-wavelength oscillation in Nd:YAG Q-switched laser

Author(s) -

Yanfeng Lin,

Ge Zhang,

Haiyong Zhu,

Chenghui Huang,

Li Ai-Hong,

Yong Wei

Publication year - 2009

Publication title -

acta physica sinica

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.199

H-Index - 47

ISSN - 1000-3290

DOI - 10.7498/aps.58.3909

Subject(s) - laser , oscillation (cell signaling) , resonator , q switching , wavelength , optics , relaxation (psychology) , physics , pulse (music) , materials science , chemistry , psychology , social psychology , biochemistry , detector

The oscillation mechanism of dual-wavelength Nd:YAG Q-switched laser with two-mirror resonator is studied on the basis of the rate equation. The characteristics of the dual-wavelength laser are discussed by analysing the competition process with different transmissivities. Results show that the oscillating time of the Q-switched pulse laser for 1319nm laser is delayed relative to that of 1064nm. The 1319nm Q-switched laser is formed finally from the first relaxation oscillation spike after the Q-switch opening, i.e. it restrains the rest relaxation oscillation spikes. The transmissivity of relatively balanced output energy is theoretically obtained.

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