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Compact laser diode end-pumped Nd:YAG intracavity frequency-tripled quasi-continuous 355 nm laser

Liu Huan Gong Ma-Li

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Compact laser diode end-pumped Nd:YAG intracavity frequency-tripled quasi-continuous 355 nm laser

Liu Huan, Gong Ma-Li
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  • A diode-end-pumped Nd:YVO4 intracavity frequency-tripled continuous-wave 355 nm laser has been demonstrated. The laser cavity is the simple concave-to-plane linear cavity, which is short and compact. The laser cavity length is only 70 mm. The efficient second and third-harmonic waves are generated by two lithium triborate (LBO) crystals successfully. The 355 nm laser output power is 306 mW at a pump power of 2527 W with an optical-to-optical efficiency of 012% and the corresponding beam quality is satisfactory. The instability of the output power of 274 mW is less than 53%. By using the technology of intracavity frequency conversion and choosing the proper parameters in cavity design, the miniaturization and handiness of the all-solid-state continuous-wave ultraviolet lasers with the relatively low output powers are improved greatly, which will broaden the application fields of the ultraviolet lasers.
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  • PDF Downloads:  1597
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Publishing process
  • Received Date:  23 December 2008
  • Accepted Date:  06 February 2009
  • Published Online:  05 May 2009

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