Abstract

Volume holographic elements are excellent at shaping high-quality spatial and spectral modes. Many microscopy and laser–tissue interaction applications require precise delivery of optical energy at specific sites without affecting the peripheral regions. Owing to the property of very high energy contrast between the input and the focal plane, abrupt autofocusing (AAF) beams can be the right candidate for laser–tissue interaction. In this work, we demonstrate the recording and reconstruction of a PQ:PMMA photopolymer-based volume holographic optical beam shaper for an AAF beam. We experimentally characterize the generated AAF beams and show the broadband operation property. The fabricated volume holographic beam shaper shows long-term optical quality and stability. Our method offers multiple advantages including high angular selectivity, broadband operation, and intrinsically compact size. The present method may find important applications in designing compact optical beam shapers for biomedical lasers, illumination for microscopy, optical tweezers, and laser–tissue interaction experiments.

© 2023 Optica Publishing Group

Abrupt autofocusing beam from a phase-only mask

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J. Opt. Soc. Am. A 41(3) A40-A46 (2024)

Conventional volume holography for unconventional Airy beam shapes

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Opt. Express 26(17) 21979-21991 (2018)

Effect of chirped factors on the abrupt autofocusing ability of a chirped circular Airyprime beam

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Opt. Express 32(1) 167-178 (2024)

Mathieu and Weber tightly autofocusing beams

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