Experimental study of electro-optical Q-switched pulsed Nd:YAG laser

doi:10.1088/1674-1056/25/3/034206

中国物理B ›› 2016, Vol. 25 ›› Issue (3): 34206-034206.doi: 10.1088/1674-1056/25/3/034206

• ELECTROMAGNETISM, OPTICS, ACOUSTICS, HEAT TRANSFER, CLASSICAL MECHANICS, AND FLUID DYNAMICS • 上一篇下一篇

Experimental study of electro-optical Q-switched pulsed Nd:YAG laser

A Maleki, M Kavosh Tehrani, H Saghafifar, M H Moghtader Dindarlu

Optic & Laser Science & Technology Research Center, Malek-Ashtar University of Technology, Isfahan, Iran

收稿日期:2015-05-25 修回日期:2015-09-23 出版日期:2016-03-05 发布日期:2016-03-05
通讯作者: A Maleki E-mail:ab_maleki56@yahoo.com

Experimental study of electro-optical Q-switched pulsed Nd:YAG laser

A Maleki, M Kavosh Tehrani, H Saghafifar, M H Moghtader Dindarlu

Optic & Laser Science & Technology Research Center, Malek-Ashtar University of Technology, Isfahan, Iran

Received:2015-05-25 Revised:2015-09-23 Online:2016-03-05 Published:2016-03-05
Contact: A Maleki E-mail:ab_maleki56@yahoo.com

摘要/Abstract

摘要： We report the specification of a compact and stable side diode-pumped Q-switched pulsed Nd:YAG laser. We experimentally study and compare the performance of the pulsed Nd:YAG laser in the free-running and Q-switched modes at different pulse repetition rates from 1 Hz to 100 Hz. The laser output energy is stabilized by using a special configuration of the optical resonator. In this laser, an unsymmetrical concave-concave resonator is used and this structure helps the mode volume to be nearly fixed when the pulse repetition rate is increased. According to the experimental results in the Q-switched operation, the laser output energy is nearly constant around 70 mJ with an FWHM pulse width of 7 ns at 100 Hz. The optical-to-optical conversion efficiency in the Q-switched regime is 17.5%.

关键词: side diode-pumped Nd:YAG laser, concave-concave resonator, electro-optical Q-switched laser

Abstract: We report the specification of a compact and stable side diode-pumped Q-switched pulsed Nd:YAG laser. We experimentally study and compare the performance of the pulsed Nd:YAG laser in the free-running and Q-switched modes at different pulse repetition rates from 1 Hz to 100 Hz. The laser output energy is stabilized by using a special configuration of the optical resonator. In this laser, an unsymmetrical concave-concave resonator is used and this structure helps the mode volume to be nearly fixed when the pulse repetition rate is increased. According to the experimental results in the Q-switched operation, the laser output energy is nearly constant around 70 mJ with an FWHM pulse width of 7 ns at 100 Hz. The optical-to-optical conversion efficiency in the Q-switched regime is 17.5%.

Key words: side diode-pumped Nd:YAG laser, concave-concave resonator, electro-optical Q-switched laser

中图分类号: (Lasers)

42.55.-f

42.55.Rz (Doped-insulator lasers and other solid state lasers) 42.55.Xi (Diode-pumped lasers) 42.60.Gd (Q-switching)

A Maleki, M Kavosh Tehrani, H Saghafifar, M H Moghtader Dindarlu. Experimental study of electro-optical Q-switched pulsed Nd:YAG laser[J]. 中国物理B, 2016, 25(3): 34206-034206.

A Maleki, M Kavosh Tehrani, H Saghafifar, M H Moghtader Dindarlu. Experimental study of electro-optical Q-switched pulsed Nd:YAG laser[J]. Chin. Phys. B, 2016, 25(3): 34206-034206.

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Experimental study of electro-optical Q-switched pulsed Nd:YAG laser

Experimental study of electro-optical Q-switched pulsed Nd:YAG laser

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