Azimuthally Apodized Focusing Gratings

Rijan Maharjan; Sanket Bohora; Richard Hogg; David Childs; Richard Curry; Iain Crowe; Ashim Dhakal

doi:10.1364/CLEO_AT.2020.JTh2B.11

Conference on Lasers and Electro-Optics
OSA Technical Digest (Optica Publishing Group, 2020),
paper JTh2B.11
•https://doi.org/10.1364/CLEO_AT.2020.JTh2B.11

Azimuthally Apodized Focusing Gratings

Rijan Maharjan, Sanket Bohora, Richard Hogg, David Childs, Richard Curry, Iain Crowe, and Ashim Dhakal

CLEO: Applications and Technology 2020

Washington, DC United States
10–15 May 2020
ISBN: 978-1-943580-76-7

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Joint Poster Session 13 (JTh2B)

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R. Maharjan, S. Bohora, R. Hogg, D. Childs, R. Curry, I. Crowe, and A. Dhakal, "Azimuthally Apodized Focusing Gratings," in Conference on Lasers and Electro-Optics, OSA Technical Digest (Optica Publishing Group, 2020), paper JTh2B.11.

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Abstract

We experimentally show that azimuthally apodized circular gratings can allow light to penetrate further into the structure, and create a focus of ≈ 10 μm, allowing for biomedical applications such as OCT.

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