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- Title
Experimental and theoretical study of the weak and asymmetrical thermal lens effect of Nd:YLF crystal for σ and π polarizations.
- Authors
Zhang, Zilong; Liu, Qiang; Nie, Mingming; Ji, Encai; Gong, Mali
- Abstract
The thermal lens effect of Nd:YLF crystal for different polarized beams is experimentally and theoretically studied in this paper. In the experiment, the different thermal lens effects of Nd:YLF crystal along a and c axes for π- and σ-polarized probe beams are observed, and the values of the focal lengths are measured. The theoretical analysis is made to explain the extremely weak thermal lens effect along the c axis, as well as that for the σ-polarized beam. And it is corroborated that the complementation among the thermo-optical coefficient, the thermal end bulging and the photoelastic effects contributes to the weak and asymmetry thermal lens effect of Nd:YLF crystal.
- Subjects
THERMAL lensing; OPTICAL polarization; NEODYMIUM; POLARIZED beams (Nuclear physics); FOCAL length; PHOTOELASTICITY
- Publication
Applied Physics B: Lasers & Optics, 2015, Vol 120, Issue 4, p689
- ISSN
0946-2171
- Publication type
Article
- DOI
10.1007/s00340-015-6184-z