Acoustooptic Interaction in Barium Beta-Borate Crystals
I. Martynyuk-Lototska, T. Dudok, Ya. Dyachok, Ya. Burak, R. Vlokh
TL;DR
This paper analyzes acoustooptic interactions in barium beta-borate crystals, identifying optimal propagation geometries and calculating the maximum figure of merit based on measured physical properties.
Contribution
It provides a detailed analysis of acoustooptic interaction geometries and quantifies the figure of merit for b-BaB2O4 crystals using experimental measurements.
Findings
Maximum figure of merit M2=95.35×10^-15 s^3/kg
Optimal acoustic wave propagation in YZ-plane
Velocity of transverse acoustic wave v13=817 m/s
Abstract
Basing on the measurements of photoelastic coefficients, acoustic waves velocities and the refractive indices, the possible geometries for acoustooptic interaction in b-BaB2O4 crystals have been analysed. It has been shown that the acoustooptic figure of merit achieves its maximum value when the transverse acoustic wave v13 with the velocity 817m/s is propagated in YZ-plane. In this case M2=95.35*10-15s3/kg.
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