Gradient-index volume holograms by 2-photon polymerization

Niyazi Ulas Dinc; Giulia Panusa; Christophe Moser; Demetri Psaltis

doi:10.1117/12.2594248

1 August 2021 Gradient-index volume holograms by 2-photon polymerization

Niyazi Ulas Dinc, Giulia Panusa, Christophe Moser, Demetri Psaltis

Proceedings Volume 11807, Liquid Crystals XXV; 118070D (2021) https://doi.org/10.1117/12.2594248
Event: SPIE Organic Photonics + Electronics, 2021, San Diego, California, United States

Abstract

Advancements in 3D printing, specifically by 2-photon polymerization, enabled the fabrication of high resolution novel optical elements for various applications by engineering the topography of the structures. Recently, the ability to obtain a varying refractive index distribution by 2-photon polymerization also started to gain momentum to design and produce gradient-index (GRIN) micro-optics. Here, we demonstrate micro-scale volume holograms by 2-photon polymerization by tuning the exposure point by point in the 3D volume to obtain the necessary refractive index distribution. 3D printed micro-scale GRIN volume holograms lay an opportunity to open a complimentary dimension in various systems thanks to in-situ fabrication advantage, which can provide complex interconnections and beam shaping in micro-scale.

Conference Presentation

Citation Download Citation

Niyazi Ulas Dinc, Giulia Panusa, Christophe Moser, and Demetri Psaltis "Gradient-index volume holograms by 2-photon polymerization", Proc. SPIE 11807, Liquid Crystals XXV, 118070D (1 August 2021); https://doi.org/10.1117/12.2594248

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