Universität zu Köln

Kaminskii, Alexander A., Bohaty, Ladislav, Lux, Oliver ORCID: 0000-0003-1491-0323, Rhee, Hanjo, Eichler, Hans Joachim, Libowitzky, Eugen, Kleinschrodt, Reiner, Yoneda, Hitoki, Shirakawa, Akira and Becker, Petra (2016). Stimulated Raman scattering in natural crystals of fluorapatite, Ca-5(PO4)(3)F. Laser Photon. Rev., 10 (5). S. 814 - 826. WEINHEIM: WILEY-V C H VERLAG GMBH. ISSN 1863-8899

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Abstract

Hexagonal Ca-5(PO4)(3)F, known as natural crystal fluorapatite and oldest host-crystal for Ln(3+)-lasant ions, is presented as a Raman-active material. High-order Raman-induced.(3)-nonlinear processes are discovered in natural crystals of fluorapatite under picosecond pumping at 1.064 mu m and 0.532 mu m wavelength. A multitude of Stokes and anti-Stokes components is generated in the ultraviolet, visible and near-infrared spectral region by stimulated Raman scattering (SRS) and Raman four-wave mixing (FWHM), resulting in a frequency comb with a width of 520 THz. The spectral lines are identified and attributed to the nu(1)(A(g)) vibration mode of the tetrahedral [PO4] units which is related to a Raman shift of omega(SRS) approximate to 965 cm(-1). The first Stokes steady-state Raman gain coefficient in the near-infrared spectral range is estimated to be > 0.38 cm.GW(-1). Finally, a short review of SRS-promoting vibration modes and observed.(3)-nonlinear interactions in all known SRS-active natural crystals (minerals) is given.

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Kaminskii, Alexander A. UNSPECIFIED UNSPECIFIED UNSPECIFIED Bohaty, Ladislav UNSPECIFIED UNSPECIFIED UNSPECIFIED Lux, Oliver UNSPECIFIED orcid.org/0000-0003-1491-0323 UNSPECIFIED Rhee, Hanjo UNSPECIFIED UNSPECIFIED UNSPECIFIED Eichler, Hans Joachim UNSPECIFIED UNSPECIFIED UNSPECIFIED Libowitzky, Eugen UNSPECIFIED UNSPECIFIED UNSPECIFIED Kleinschrodt, Reiner UNSPECIFIED UNSPECIFIED UNSPECIFIED Yoneda, Hitoki UNSPECIFIED UNSPECIFIED UNSPECIFIED Shirakawa, Akira UNSPECIFIED UNSPECIFIED UNSPECIFIED Becker, Petra UNSPECIFIED UNSPECIFIED UNSPECIFIED
URN:	urn:nbn:de:hbz:38-263912
DOI:	10.1002/lpor.201600100
Journal or Publication Title:	Laser Photon. Rev.
Volume:	10
Number:	5
Page Range:	S. 814 - 826
Date:	2016
Publisher:	WILEY-V C H VERLAG GMBH
Place of Publication:	WEINHEIM
ISSN:	1863-8899
Language:	English
Faculty:	Unspecified
Divisions:	Unspecified
Subjects:	no entry
Uncontrolled Keywords:	Keywords Language SRS-ACTIVE CRYSTAL; SINGLE-CRYSTALS; OPTICAL-PROPERTIES; LASER PERFORMANCE; HARMONIC-GENERATION; APATITE-STRUCTURE; ALPHA-QUARTZ; MICRO-RAMAN; CALCITE; STOKES Multiple languages Optics; Physics, Applied; Physics, Condensed Matter Multiple languages
Refereed:	Yes
URI:	http://kups.ub.uni-koeln.de/id/eprint/26391