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Conferences > CLEO_SI > 2023 > STu3O > STu3O.3

Wide-angle optical beam steering using phase-change materials for tunable gratings

Mengyun Wang, Samarth Aggarwal, June Sang Lee, Bowei Dong, Nikolaos Farmakidis, Guoce Yang, and Harish Bhaskaran

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Abstract

By incorporating the ultralow-loss phase-change materials (PCMs) into wavelength-agile gratings, the change in the refractive index due to the crystalline phase-state change of PCMs facilitates the expansion of the field-of-view (FOV) of optical beam steering (OBS), achieving a large scanning range over 64°.

© 2023 The Author(s)

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