Reconfigurable scan lens based on an actively controlled optical phased array

Sheng I. Kuo, Ju Wei Wang, Zohauddin Ahmad, Po Han Fu, Hsin Hung Lin, Jin Wei Shi, Ding Wei Huang, You Chia Chang

研究成果: 雜誌貢獻期刊論文同行評審

摘要

Integrated photonics provides a path for miniaturization of an optical system to a compact chip scale and offers reconfigurability by the integration of active components. Here we report a chip-scale reconfigurable scan lens based on an optical phased array, consisting of 30 actively controlled elements on the InP integrated photonic platform. By configuring the phase shifters, we show scanning of a nearly diffraction-limited focused spot with a full width at half maximum spot size down to 2.7 µm at the wavelength of 1550 nm. We demonstrate the key functions needed for a laser-scanning microscope, including light focusing, collection, and steering. We also perform confocal measurements to detect reflection at selective depths.

原文???core.languages.en_GB???
頁(從 - 到)3676-3679
頁數4
期刊Optics Letters
47
發行號15
DOIs
出版狀態已出版 - 1 8月 2022

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