Efficient second harmonic generation of femtosecond laser at 1 �m | Zendy

Heyuan Zhu | Zendy; Tao Wang | Zendy; Wanguo Zheng | Zendy; Peng Yuan | Zendy; Liejia Qian | Zendy; Dianyuan Fan | Zendy

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Efficient second harmonic generation of femtosecond laser at 1 �m

Author(s) -

Heyuan Zhu,

Tao Wang,

Wanguo Zheng,

Peng Yuan,

Liejia Qian,

Dianyuan Fan

Publication year - 2004

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/opex.12.002150

Subject(s) - femtosecond , optics , second harmonic generation , phase matching , materials science , laser , high harmonic generation , nonlinear optics , energy conversion efficiency , optoelectronics , physics

By using spectrally noncritical phase-matching in a partially deuterated KDP around its retracing point of phase-matching, we have experimentally and numerically investigated the characteristics of second-harmonic generation (SHG) with femtosecond laser at 1 microm for the first time. This phase-matching configuration can support efficient SHG over 20nm bandwidth of the fundamental laser at 1 microm in a 10-mm-long crystal. Efficiency of harmonic conversion as high as 55% has been demonstrated.

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