Universität zu Köln

Loiko, Pavel, Becker, Petra, Bohaty, Ladislav, Liebald, Christoph, Peltz, Mark, Vernay, Sophie, Rytz, Daniel, Maria Serres, Josep, Mateos, Xavier ORCID: 0000-0003-1940-1990, Wang, Yicheng ORCID: 0000-0002-8744-9972, Xu, Xiaodong, Xu, Jun, Major, Arkady, Baranov, Alexander ORCID: 0000-0002-9976-8532, Griebner, Uwe and Petrov, Valentin ORCID: 0000-0001-7247-6145 (2017). Sellmeier equations, group velocity dispersion, and thermo-optic dispersion formulas for CaLnAlO(4) (Ln = Y, Gd) laser host crystals. Opt. Lett., 42 (12). S. 2275 - 2279. WASHINGTON: OPTICAL SOC AMER. ISSN 1539-4794

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Abstract

We studied the refractive index and dispersive properties of the tetragonal rare-earth calcium aluminates, CaLnAlO(4) (Ln = Gd or Y). Sellmeier equations were derived for the spectral range of 0.35-2.1 mu m. The group velocity dispersion (GVD) in CaGdAlO4 is positive at similar to 1 mu m, 95 fs(2)/mm and negative at similar to 2 mu m, -40 fs(2)/mm. The GVD values for CaYAlO4 are similar. In addition, thermo-optic coefficients, dn/dT, and thermal coefficients of the optical path were determined for CaYAlO4. dn/dT is negative at similar to 1 mu m, dn(o)/dT = - 7.8, and dn(e)/dT = - 8.7 x 10(-6) K-1. Thermo-optic dispersion formulas were constructed. The obtained data are of key importance to the design of high-power mode-locked oscillators at similar to 1 and similar to 2 mu m based on such laser hosts. (C) 2017 Optical Society of America

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Loiko, Pavel UNSPECIFIED UNSPECIFIED UNSPECIFIED Becker, Petra UNSPECIFIED UNSPECIFIED UNSPECIFIED Bohaty, Ladislav UNSPECIFIED UNSPECIFIED UNSPECIFIED Liebald, Christoph UNSPECIFIED UNSPECIFIED UNSPECIFIED Peltz, Mark UNSPECIFIED UNSPECIFIED UNSPECIFIED Vernay, Sophie UNSPECIFIED UNSPECIFIED UNSPECIFIED Rytz, Daniel UNSPECIFIED UNSPECIFIED UNSPECIFIED Maria Serres, Josep UNSPECIFIED UNSPECIFIED UNSPECIFIED Mateos, Xavier UNSPECIFIED orcid.org/0000-0003-1940-1990 UNSPECIFIED Wang, Yicheng UNSPECIFIED orcid.org/0000-0002-8744-9972 UNSPECIFIED Xu, Xiaodong UNSPECIFIED UNSPECIFIED UNSPECIFIED Xu, Jun UNSPECIFIED UNSPECIFIED UNSPECIFIED Major, Arkady UNSPECIFIED UNSPECIFIED UNSPECIFIED Baranov, Alexander UNSPECIFIED orcid.org/0000-0002-9976-8532 UNSPECIFIED Griebner, Uwe UNSPECIFIED UNSPECIFIED UNSPECIFIED Petrov, Valentin UNSPECIFIED orcid.org/0000-0001-7247-6145 UNSPECIFIED
URN:	urn:nbn:de:hbz:38-227677
DOI:	10.1364/OL.42.002275
Journal or Publication Title:	Opt. Lett.
Volume:	42
Number:	12
Page Range:	S. 2275 - 2279
Date:	2017
Publisher:	OPTICAL SOC AMER
Place of Publication:	WASHINGTON
ISSN:	1539-4794
Language:	English
Faculty:	Unspecified
Divisions:	Unspecified
Subjects:	no entry
Uncontrolled Keywords:	Keywords Language OPTICAL-PROPERTIES; YBCAGDALO4 LASER; KRE(WO4)(2); RE; LU Multiple languages Optics Multiple languages
Refereed:	Yes
URI:	http://kups.ub.uni-koeln.de/id/eprint/22767