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High Damage Threshold Ultrafast Laser Nanostructuring in Silica Glass

High Damage Threshold Ultrafast Laser Nanostructuring in Silica Glass
High Damage Threshold Ultrafast Laser Nanostructuring in Silica Glass
A new type of birefringent modification (oblate nanopores or type X) with high optical transmission (>99%) was recently reported in silica glass using ultrafast laser writing [1] . This enables low-loss geometric phase (GP) flat optical elements with controlled phase shift by birefringence patterning. Here, high damage threshold of type X modification is demonstrated and compared with type II modification (nanograting type).
1-1
Chang, Xin
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Lei, Yuhao
347ba758-df03-47b6-baed-3a58285173f7
Wang, Huijun
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Shayeganrad, Gholamreza
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Deng, Chun
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Kazansky, Peter
a5d123ec-8ea8-408c-8963-4a6d921fd76c
Chang, Xin
38f31f00-a3b7-45bc-b5fe-8f8fe7fc79af
Lei, Yuhao
347ba758-df03-47b6-baed-3a58285173f7
Wang, Huijun
71d8cb32-58db-496b-8e5d-cf378dda5a53
Shayeganrad, Gholamreza
8ea55a9a-4fe2-49df-a0f4-55fa81596dab
Deng, Chun
3627dfb3-8a2a-4868-a146-a5e2cb570c33
Kazansky, Peter
a5d123ec-8ea8-408c-8963-4a6d921fd76c

Chang, Xin, Lei, Yuhao, Wang, Huijun, Shayeganrad, Gholamreza, Deng, Chun and Kazansky, Peter (2021) High Damage Threshold Ultrafast Laser Nanostructuring in Silica Glass. In IEEE 2021 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC). p. 1 . (doi:10.1109/CLEO/Europe-EQEC52157.2021.9542359).

Record type: Conference or Workshop Item (Paper)

Abstract

A new type of birefringent modification (oblate nanopores or type X) with high optical transmission (>99%) was recently reported in silica glass using ultrafast laser writing [1] . This enables low-loss geometric phase (GP) flat optical elements with controlled phase shift by birefringence patterning. Here, high damage threshold of type X modification is demonstrated and compared with type II modification (nanograting type).

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Chang2021CLEO_Europe - Version of Record
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e-pub ahead of print date: 21 June 2021
Published date: 30 September 2021
Venue - Dates: 2021 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference, Virtual, 2021-06-21 - 2021-06-25

Identifiers

Local EPrints ID: 452106
URI: http://eprints.soton.ac.uk/id/eprint/452106
PURE UUID: 2524839b-36d2-487d-a602-4bfdaa533d8e

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Date deposited: 11 Nov 2021 17:37
Last modified: 27 Apr 2022 12:54

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Contributors

Author: Xin Chang
Author: Yuhao Lei
Author: Huijun Wang
Author: Chun Deng
Author: Peter Kazansky

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