Generation of blue light by sum-frequency generation of a spectrally combined broad-area diode laser array | Zendy

Zhanda Zhu | Zendy; Menghua Jiang | Zendy; Haoyang Yu | Zendy; Yongling Hui | Zendy; Hong Lei | Zendy; Qiang Li | Zendy

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Generation of blue light by sum-frequency generation of a spectrally combined broad-area diode laser array

Author(s) -

Zhanda Zhu,

Menghua Jiang,

Haoyang Yu,

Yongling Hui,

Hong Lei,

Qiang Li

Publication year - 2016

Publication title -

optics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.524

H-Index - 272

eISSN - 1071-2763

pISSN - 0146-9592

DOI - 10.1364/ol.41.004712

Subject(s) - laser , diode , optics , common emitter , optoelectronics , sum frequency generation , materials science , wavelength , laser beam quality , beam (structure) , laser diode , blue laser , nonlinear optics , laser beams , physics

We present the first demonstration of a spectrally beam combined diode laser array with subsequent sum-frequency generation (SFG). The combined beam of the diode laser array with 19 emitters has the same beam quality as a single emitter, and the wavelength of each emitter is different. The blue light is generated by sum-frequency mixing of pairs of emitters in the diode laser array. About 93 mW of blue light power is produced using a PPLN crystal. Compared with the SFG of two emitters, this approach can increase the number of lasers participating in nonlinear frequency conversion. Thus, it can enhance the available power.

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