A crystalline-orientation self-selected linearly polarized Yb: Y 3Al5O12 microchip laser

Jun Dong, Akira Shirakawa, Ken Ichi Ueda

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12 Citations (Scopus)

Abstract

Crystalline-orientation and pump dependent polarization states of Yb: Y3Al5O12 microchip lasers were observed experimentally. Linear polarization was observed at six crystalline orientations in the (111) plane relative to the beam propagation direction along the [111] crystalline axis of Yb: Y3Al5O12 crystal. The extinction ratio of the linear polarization decreases and the laser tends to oscillate at random polarization state at high pump power levels. Linear polarization states of Yb: Y3Al5O12 microchip laser was selected by the anisotropic spectroscopic properties of the Yb 3+ -ion in cubic Y3Al5O12 crystal. The random polarization oscillation at high pump power was caused by the strong thermal-induced birefringence and depolarization. © 2008 American Institute of Physics.

Original languageEnglish
Article number101105
JournalApplied Physics Letters
Volume93
Issue number10
DOIs
Publication statusPublished - 2008

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