| FUNDAMENTAL AREAS OF PHENOMENOLOGY(INCLUDING APPLICATIONS) |
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Experimental Study on Dual Wavelength and Dual Pulse Q-Switched Frequency Doubling on a Tunable Cr: LiSAF Laser |
| CHEN Chang-Shui, ZHANG Yi-Shi, YU Jin-Wang, FANG Jian, LIU Song-Hao |
| Lab of Photonic Information Technology, School of Information and Optoelectronic Science and Engineering, South China Normal University, Guangzhou 510631 |
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| Cite this article: |
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CHEN Chang-Shui, ZHANG Yi-Shi, YU Jin-Wang et al 2009 Chin. Phys. Lett. 26 094206 |
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Abstract A flashlamp-pumped Cr:LiSAF laser system with a voltage controlled Q-switch structure in the cavity is designed. A dual-wavelength and dual-pulse tunable laser output is gained. The relation of laser output behavior with input energy is studied experimentally. The output is dual-pulsed with the energy of the 32mJ/pulse producing the total output energy of 64mJ and the pulse width is about 27ns at 850nm. Then, we use one LBO crystal as the frequency doubling crystal to obtain a dual wavelength (448.1nm and 449.15nm) and dual pulse laser. The output for one wavelength is about 10.3mJ and the line width is less than 0.02nm.
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| Keywords:
42.60.-v
42.55.-f
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Received: 27 October 2008
Published: 28 August 2009
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