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- Title
532 nm diode-pumped doubly Q-switched Nd:YVO<sub>4</sub>/KTP laser with electro-optic modulator and GaAs saturable absorber.
- Authors
Li, T.; Zhao, S.; Zhuo, Z.; Yang, K.; Li, D.; Li, G.
- Abstract
A diode-pumped doubly Q-switched Nd:YVO4 laser operating at 532 nm with an electro-optic (EO) modulator and a GaAs saturable absorber is presented. This laser can generate more symmetric and shorter pulses compared with those modulated by a single EO Q-switcher. A symmetry factor is defined to describe the temporal symmetry of the pulse profile. At the pump power of 10 W, a 4.2-ns pulse with a symmetry factor of 1.053 and a peak power of 33.7 kW is obtained. A rate equation model has been developed in order to explain the experimental results, in which the influences of population-inversion density on laser character are taken into account, and it leads to a good agreement with the experimental data.
- Subjects
DIODES; NEODYMIUM glass lasers; GALLIUM arsenide semiconductors; OPTICAL instruments; LASERS; OPTICS
- Publication
Applied Physics B: Lasers & Optics, 2009, Vol 97, Issue 4, p781
- ISSN
0946-2171
- Publication type
Article
- DOI
10.1007/s00340-009-3683-9