Mukhopadhyay, P. K. ; Alsous, M. B. ; Ranganathan, K. ; Sharma, S. K. ; Gupta, P. K. ; Kuruvilla, A. ; Nathan, T. P. S. (2005) Characterization of laser-diode end-pumped intracavity frequency doubled, passively Q-switched and mode-locked Nd:YVO4 laser Optics & Laser Technology, 37 (2). pp. 157-162. ISSN 0030-3992
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Official URL: http://linkinghub.elsevier.com/retrieve/pii/S00303...
Related URL: http://dx.doi.org/10.1016/j.optlastec.2004.03.003
Abstract
Simultaneous Q-switching and mode-locking in a laser-diode end-pumped intracavity frequency doubled Nd:YVO4/KTP green laser using Cr4+:YAG saturable absorber is experimentally demonstrated. The influence of the initial transmission (T0) of the Cr4+:YAG crystal on the Q-switched mode-locked green pulses as well as on the average green power is characterized by using Cr4+:YAG crystal with various T0. The effect of T0 on the pulse build-up time in intracavity second harmonic configuration is theoretically investigated. It was found that the depth of modulation for the mode-locked pulses is greatly improved at the second harmonic wavelength as compared to that for the fundamental wavelength. The average pulse duration of the individual mode-locked pulse for the second harmonic beam measured to be less than 500 ps with a repetition rate of 400 MHz.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| Keywords: | Mode-locking; Passively Q-switched; Nd:YVO4; Cr4+:YAG; Intracavity Second Harmonic |
| ID Code: | 22346 |
| Deposited On: | 23 Nov 2010 13:00 |
| Last Modified: | 02 Jun 2011 06:54 |
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