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

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

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%.

Keywords: side diode-pumped Nd:YAG laser concave-concave resonator electro-optical Q-switched laser

Received: 25 May 2015
Revised: 23 September 2015
Accepted manuscript online:

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

Corresponding Authors: A Maleki
E-mail: ab_maleki56@yahoo.com

Cite this article:

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

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

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