EXPERIMENTAL STUDY OF HIGH EFFICIENCY ALL-SOLID-STATE PULSED-BLUE LASER SYSTEM | Zendy

Zhao Shang-hong | Zendy; Guofu Chen | Zendy; Wei Zhao | Zendy; Wang Yi-Shan | Zendy; Lianjun Yu | Zendy; CHANG LI | Zendy

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EXPERIMENTAL STUDY OF HIGH EFFICIENCY ALL-SOLID-STATE PULSED-BLUE LASER SYSTEM

Author(s) -

Zhao Shang-hong,

Guofu Chen,

Wei Zhao,

Wang Yi-Shan,

Lianjun Yu,

CHANG LI

Publication year - 2000

Publication title -

acta physica sinica

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.199

H-Index - 47

ISSN - 1000-3290

DOI - 10.7498/aps.49.1273

Subject(s) - energy conversion efficiency , laser , materials science , optics , second harmonic generation , ti:sapphire laser , optoelectronics , high harmonic generation , diode , solid state laser , nanosecond , sapphire , physics

The infrared (λ0=830nm)nanosecond pulse is generated by pumping Ti:s apphire with diode-Q-YLF laser, and then the second-harmonic blue laser (λ 0=415nm)is obtained by frequency-doubling with the crystal Li BO20(LBO). In our experiments, the fundamental wave with a power of 960mW and cor responding harmonization of 285mW are output from the laser system when pumping power is only 3W. The high fundamental conversion efficiency of 32% and the seco nd harmonic conversion efficiency of 322% are reached, by optimizing the desig n of Ti:sapphire laser system and the focusing system in frequency-doubling. The influences of the bandwidth, the polarization and the focusing of the fundament al wave on the second-harmonic generation are discussed.

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