Conversion of a Chirp Pulse Into the Second Harmonic in a KDP Crystal

Results of investigation of conversion of radiation with the wavelength λ = 950 nm and pulse duration of 100 ps into the second harmonic are reported. It is demonstrated that the second harmonic pulse duration is half the pulse duration at the fundamental frequency. The converted radiation linewidth...

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Veröffentlicht in:	Russian physics journal 2019-03, Vol.61 (11), p.2028-2032
Hauptverfasser:	Ivanov, N. G., Losev, V. F.
Format:	Artikel
Sprache:	eng
Schlagworte:	BEAMS Condensed Matter Physics CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY CONVERSION CRYSTALS EFFICIENCY Hadrons HARMONIC GENERATION Heavy Ions Lasers LINE WIDTHS Mathematical and Computational Physics Nuclear Physics Optical Devices Optics Optics and Spectroscopy Photonics Physics Physics and Astronomy Pulse duration PULSES Q factors QUALITY FACTOR Resonant frequencies Theoretical WAVELENGTHS
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Zusammenfassung:	Results of investigation of conversion of radiation with the wavelength λ = 950 nm and pulse duration of 100 ps into the second harmonic are reported. It is demonstrated that the second harmonic pulse duration is half the pulse duration at the fundamental frequency. The converted radiation linewidth remains unchanged. The beam quality factor М 2 increases from 1.16 to 1.56. The maximal conversion efficiency is 12.2%.
ISSN:	1064-8887 1573-9228
DOI:	10.1007/s11182-019-01633-y