A Supercontinuum Generator with Pumping by Pulses of Chromium–Forsterite-Based Femtosecond Laser in Transparent Condensed Media

A facility for generating a supercontinuum in Al 2 O 3 and CaF 2 crystals using a femtosecond laser, which is based on a chromium–forsterite (Cr : F) crystal, is described. The supercontinuum spectra under pumping at four wavelengths of 310, 413, 620, and 1240 nm were determined. A continuous spectr...

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Bibliographic Details
Published inInstruments and experimental techniques (New York) Vol. 63; no. 6; pp. 846 - 852
Main Authors Kryukov, I. V., Petrov, N. Kh, Alfimov, M. V.
Format Journal Article
LanguageEnglish
Published Moscow Pleiades Publishing 01.12.2020
Springer Nature B.V
Subjects
Aluminum oxide
Calcium fluoride
Chromium
Crystals
Electrical Engineering
Femtosecond pulsed lasers
Forsterite
General Experimental Technique
Measurement Science and Instrumentation
Physical Chemistry
Physics
Physics and Astronomy
Pumping
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Summary:A facility for generating a supercontinuum in Al 2 O 3 and CaF 2 crystals using a femtosecond laser, which is based on a chromium–forsterite (Cr : F) crystal, is described. The supercontinuum spectra under pumping at four wavelengths of 310, 413, 620, and 1240 nm were determined. A continuous spectrum of a supercontinuum from 324 to 1000 nm was obtained in the visible region, thus making it possible to study various samples using the pump–probe system. In the UV spectrum region, the shortest wavelength of a supercontinuum (225 nm) was obtained on the CaF 2 crystal when pumped with pulses at a wavelength of 310 nm.
ISSN:0020-4412
1608-3180
DOI:10.1134/S0020441220050309