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Title: Mapping of periodically poled crystals via spontaneous parametric down-conversion
Authors: Kitaeva, G.Kh.
Tishkova, V.V.
Naumova, I.I.
Penin, A.N.
Kang, C.H.
Tang, S.H. 
Issue Date: Sep-2005
Citation: Kitaeva, G.Kh., Tishkova, V.V., Naumova, I.I., Penin, A.N., Kang, C.H., Tang, S.H. (2005-09). Mapping of periodically poled crystals via spontaneous parametric down-conversion. Applied Physics B: Lasers and Optics 81 (5) : 645-650. ScholarBank@NUS Repository.
Abstract: A new method for characterization of periodically poled crystals is developed based on spontaneous parametric down-conversion. The method is demonstrated on crystals of Y:LiNbO 3, Mg:Y:LiNbO 3 with non-uniform periodically poled structures, obtained directly under the Czochralski growth procedure and designed for application of 1.064 μmpumped OPO in the mid-infrared range. Infrared dispersion of refractive index, effective working periods and wavelengths of OPO were determined by special treatment of frequency-angular spectra of spontaneous parametric down-conversion in the visible range. Two-dimensional mapping via spontaneous parametric down-conversion is proposed for characterizing spatial distribution of bulk quasi-phase matching efficiency across the input window of a periodically poled sample. © Springer-Verlag 2005.
Source Title: Applied Physics B: Lasers and Optics
ISSN: 09462171
DOI: 10.1007/s00340-005-1923-1
Appears in Collections:Staff Publications

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