Title: Two-step two-color recording in a photorefractive praseodymium-doped La₃Ga₅SiO₁₄ crystal
Authors: Nikolajsen, T.
Johansen, P. M.
Yue, X.
Kip, Detlef  
Krätzig, E.
Language: en
Subject (DDC): DDC::500 Naturwissenschaften und Mathematik
Issue Date: 1999
Publisher: American Inst. of Physics
Document Type: Article
Journal / Series / Working Paper (HSU): Applied Physics Letters 
Volume: 74
Issue: 26
Page Start: 4037
Page End: 4039
Publisher Place: Melville, NY
Two-step two-color recording is demonstrated in a photorefractive La3Ga5SiO14:Pr3+ crystal using cw laser radiation. The 488 nm line from an Ar-ion laser is used for gating and gratings are written using a Ti:sapphire laser operating in the range from 788 to 840 nm. The dependence of holographic recording on grating and writing intensity is investigated. A saturation of the sensitivity is found for 2 W/cm2 of grating intensity. A threshold photon energy of 1.53 eV for the second excitation step is observed. © 1999 American Institute of Physics.
Organization Units (connected with the publication): Universität Osnabrück
URL: https://api.elsevier.com/content/abstract/scopus_id/0037597220
ISSN: 00036951
DOI: 10.1063/1.123253
Appears in Collections:Publications of the HSU Researchers (before HSU)

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