Electronic component of refractive index changes in intensively pumped Yb-doped laser crystals

O. L. Antipov; D. V. Bredikhin; O. N. Eremeykin; E. V. Ivakin; N. V. Kuleshov; A. P. Savikin; A. V. Sukhadolau

doi:10.1117/12.675555

3 February 2006 Electronic component of refractive index changes in intensively pumped Yb-doped laser crystals

O. L. Antipov, D. V. Bredikhin, O. N. Eremeykin, E. V. Ivakin, N. V. Kuleshov, A. P. Savikin, A. V. Sukhadolau

Proceedings Volume 5975, Topical Problems of Nonlinear Wave Physics; 59750K (2006) https://doi.org/10.1117/12.675555
Event: Topical Problems of Nonlinear Wave Physics, 2005, St. Petersburg, Russian Federation

Abstract

Mechanisms of refractive index changes in intensively pumped Yb-doped crystals (Yb:YAG, Yb:KYW, Yb:KGW, and Yb:YVO₄) were studied using both a polarization interferometer and the transient grating method at the testing wavelength of 633 nm. The electronic component strongly predominated over thermal index changes in the experimental conditions. The polarizability difference of the excited and unexcited Yb³⁺ ions (of the ground state and the excited metastable level ²F_7/2) was determined.

Citation Download Citation

O. L. Antipov, D. V. Bredikhin, O. N. Eremeykin, E. V. Ivakin, N. V. Kuleshov, A. P. Savikin, and A. V. Sukhadolau "Electronic component of refractive index changes in intensively pumped Yb-doped laser crystals", Proc. SPIE 5975, Topical Problems of Nonlinear Wave Physics, 59750K (3 February 2006); https://doi.org/10.1117/12.675555

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