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Stimulated Raman Scattering in Melilite-Type Crystals Ca2MgSi2O7 and Ca2Ga2SiO7

Kaminskii, Alexander A. and Bohatý, Ladislav and Eichler, Hans Joachim and Lux, Oliver and Rhee, Hanjo and Burianek, Manfred and Becker, Petra (2020) Stimulated Raman Scattering in Melilite-Type Crystals Ca2MgSi2O7 and Ca2Ga2SiO7. Crystal Research and Technology, 55 (8), p. 2000038. Wiley. doi: 10.1002/crat.202000038. ISSN 0232-1300.

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Official URL: https://onlinelibrary.wiley.com/doi/full/10.1002/crat.202000038

Abstract

χ(3)‐nonlinear optical interactions in two melilite‐type stimulated Raman scattering (SRS)‐active non‐centrosymmetric crystals, Ca2MgSi2O7 and Ca2Ga2SiO7, formerly known as Nd3+‐laser media, are presented. Under picosecond pumping at 1.064 and 0.532 µm cascaded and cross‐cascaded effects occur in these tetragonal silicates. Besides the SRS‐promoting phonon modes with energy of ωSRS1 ≈ 908 cm-1 and ωSRS2 ≈ 668 cm-1 for Ca2MgSi2O7, and ωSRS1 ≈ 720 cm-1 and ωSRS2 ≈ 550 cm-1 for Ca2Ga2SiO7, respectively, combined phonon modes are observed. For Ca2MgSi2O7 new data in a broad wavelength range of refractive indices and their dispersion are given as well. The observed χ(3)‐nonlinear properties expand the functionality of the studied silicates and foreshadow their use in self‐frequency Raman laser converters (self‐SRS lasers).

Item URL in elib:https://elib.dlr.de/138155/
Document Type:Article
Title:Stimulated Raman Scattering in Melilite-Type Crystals Ca2MgSi2O7 and Ca2Ga2SiO7
Authors:
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Kaminskii, Alexander A.Institute of Crystallography, Russian Academy of SciencesUNSPECIFIED
Bohatý, LadislavInstitute of Geology and Mineralogy, University of CologneUNSPECIFIED
Eichler, Hans JoachimInstitute of Optics and Atomic Physics, Technical University of BerlinUNSPECIFIED
Lux, OliverDLR, IPAhttps://orcid.org/0000-0003-1491-0323
Rhee, HanjoInstitute of Optics and Atomic Physics, Technical University of BerlinUNSPECIFIED
Burianek, ManfredInstitute of Geology and Mineralogy, University of CologneUNSPECIFIED
Becker, PetraInstitute of Geology and Mineralogy, University of CologneUNSPECIFIED
Date:14 June 2020
Journal or Publication Title:Crystal Research and Technology
Refereed publication:Yes
Open Access:Yes
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:Yes
Volume:55
DOI :10.1002/crat.202000038
Page Range:p. 2000038
Publisher:Wiley
ISSN:0232-1300
Status:Published
Keywords:Stimulated Raman Scattering (SRS), tetragonal melilite‐type crystals, Ca2Ga2SiO7, Ca2MgSi2O7
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Earth Observation
DLR - Research area:Raumfahrt
DLR - Program:R EO - Earth Observation
DLR - Research theme (Project):R - Projekt ADM (old)
Location: Oberpfaffenhofen
Institutes and Institutions:Institute of Atmospheric Physics > Lidar
Deposited By: Lux, Dr. Oliver
Deposited On:25 Nov 2020 10:11
Last Modified:25 Nov 2020 10:11

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