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Special Features of the Acoustically Distributed Feedback Lasers Based on Gyrotropic Cubic Crystals

机译:基于旋转立方晶体的声学分布式反馈激光器的特殊特征

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The oscillation conditions were determined for the distributed feedback lasers based on gyrotropic cubic crystals. The frequencies of clockwise (counterclockwise) polarized longitudinal eigenmodes decrease (increase) by ωρ= ρc/n (ρ is the specific optical rotation of the crystal, n is the index of refraction, с is the speed of light in vacuum) relative to the Bragg frequency ? = πс/Λп (Λ is the phase grating period). The gain threshold is higher for the clockwise than for the counterclockwise-polarized waves.
机译:基于旋转立方晶体的分布式反馈激光测定振荡条件。顺时针(逆时针)偏振的纵向特征模点的频率减小(增加)ωρ=ρc/ n(ρ是晶体的具体光学旋转,n是折射率,с是真空的光速)相对于布拉格频率? =πс/λп(λ是相位光栅周期)。比逆时针偏振波的顺时针更高,增益阈值更高。

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