Compact efficient Q-switched eye-safe laser at 1525 nm with a double-end diffusion-bonded Nd:YVO_4 crystal as a self-Raman medium | Zendy

Y. T. Chang | Zendy; K. W. Su | Zendy; H. L. Chang | Zendy; Y. F. Chen | Zendy

Open Access

Compact efficient Q-switched eye-safe laser at 1525 nm with a double-end diffusion-bonded Nd:YVO_4 crystal as a self-Raman medium

Author(s) -

Y. T. Chang,

K. W. Su,

H. L. Chang,

Y. F. Chen

Publication year - 2009

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.17.004330

Subject(s) - materials science , optics , raman spectroscopy , raman scattering , laser , diffusion , crystal (programming language) , energy conversion efficiency , wavelength , pulse repetition frequency , optoelectronics , telecommunications , physics , radar , computer science , thermodynamics , programming language

We report on an efficient Q-switched eye-safe laser at 1525 nm with a double-end diffusion-bonded Nd:YVO(4) crystal as a self-Raman gain medium. A diffusion-bonded crystal not only reduces the thermal effects but also increase the interaction length for the stimulated Raman scattering. With an input pump power of 17.2 W, average power of 2.23 W at the first- Stokes wavelength of 1525 nm is generated at a pulse repetition rate of 40 kHz, corresponding to a conversion efficiency of 13%.

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