Highly efficient femtosecond second-harmonic generation from Yb:CaF<sub>2</sub>-regenerative amplifier

Guo, Xiaoyang; Tokita, Shigeki; Kawanaka, Junji

doi:10.1007/s00340-019-7257-1

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DOI

Highly efficient femtosecond second-harmonic generation from Yb:CaF₂-regenerative amplifier

Guo, Xiaoyang; Tokita, Shigeki; Kawanaka, Junji2019

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AbstractAbstract

[en] We develop a diode-pumped Yb:CaF₂-regenerative amplifier with 1 mJ/220 fs centered at 1.04 μm. Applying a KH₂PO₄ (KDP) crystal, we execute second-harmonic generation (SHG) experiment and a maximum conversion efficiency of 74% is achieved. To the best of our knowledge, this is the highest SHG efficiency, yet achieved with ~ 200 fs fundamental pulses at a wavelength of 1 μm.

Primary Subject

CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY (S75)

Source

Record Type

Journal Article

Journal

Applied Physics. B, Lasers and Optics; ISSN 0946-2171;

; CODEN APBOEM; v. 125(8); p. 1-6

Country of publication

Germany

Descriptors (DEI)

AMPLIFIERS, CALCIUM FLUORIDES, CRYSTALS, EFFICIENCY, HARMONIC GENERATION, LASER MATERIALS, POTASSIUM PHOSPHATES, PULSES

Descriptors (DEC)

ALKALI METAL COMPOUNDS, ALKALINE EARTH METAL COMPOUNDS, CALCIUM COMPOUNDS, CALCIUM HALIDES, ELECTRONIC EQUIPMENT, EQUIPMENT, FLUORIDES, FLUORINE COMPOUNDS, FREQUENCY MIXING, HALIDES, HALOGEN COMPOUNDS, MATERIALS, OXYGEN COMPOUNDS, PHOSPHATES, PHOSPHORUS COMPOUNDS, POTASSIUM COMPOUNDS

LanguageLanguage

English

Reference NumberReference Number

51077563

INIS VolumeINIS Volume

INIS IssueINIS Issue

External URLExternal URL

http://dx.doi.org/10.1007/s00340-019-7257-1

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