Optically isotropic longitudinal piezoelectric resonant photoelastic modulator

Okan Atalar; Amin Arbabian

doi:10.1117/12.3003005

11 March 2024 Optically isotropic longitudinal piezoelectric resonant photoelastic modulator

Okan Atalar, Amin Arbabian

Proceedings Volume 12893, Photonic Instrumentation Engineering XI; 128930M (2024) https://doi.org/10.1117/12.3003005
Event: SPIE OPTO, 2024, San Francisco, California, United States

Abstract

Photoelastic modulators are widely used optical instruments across many applications. Despite being in use since the 1960s, their design has remained largely unchanged. The main limitation of these modulators is the fundamental trade-off between the input aperture and the modulation frequency. These modulators typically operate around 50 kHz modulation frequency for centimeter square scale apertures. Optically isotropic and piezoelectric crystals, like gallium arsenide, gallium phosphide, zinc selenide, and zinc sulfide offer a ground-breaking opportunity to create new kinds of photoelastic modulators to overcome this trade-off. By adopting this new design, we can achieve both high modulation frequencies (in the megahertz frequency regime) and large input apertures (centimeter square scale) simultaneously.

Conference Presentation

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Okan Atalar and Amin Arbabian "Optically isotropic longitudinal piezoelectric resonant photoelastic modulator", Proc. SPIE 12893, Photonic Instrumentation Engineering XI, 128930M (11 March 2024); https://doi.org/10.1117/12.3003005

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