Efficient 2 nd and 4 th harmonic generation of a single-frequency, continuous-wave fiber amplifier
作者： Thomas Sudmeyer , Yutaka Imai , Hisashi Masuda , Naoya Eguchi , Masaki Saito
DOI: 10.1364/OE.16.001546
关键词:
摘要: We demonstrate efficient cavity-enhanced second and fourth harmonic generation of an air-cooled, continuous-wave (cw), single-frequency 1064 nm fiber-amplifier system. The generator achieves up to 88% total external conversion efficiency, generating more than 20-W power at 532 wavelength in a diffraction-limited beam (M(2) 50%.
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