Enhancement of UV laser induced etching of diamond under vacuum

C. G. Baldwin; J. E. Downes; R. P. Mildren

doi:10.1364/CLEOPR.2020.C12A_2

14th Pacific Rim Conference on Lasers and Electro-Optics (CLEO PR 2020)
OSA Technical Digest (Optica Publishing Group, 2020),
paper C12A_2
•https://doi.org/10.1364/CLEOPR.2020.C12A_2

Enhancement of UV laser induced etching of diamond under vacuum

C. G. Baldwin, J. E. Downes, and R. P. Mildren

Conference on Lasers and Electro-Optics/Pacific Rim 2020

Sydney Australia
3–5 August 2020
ISBN: 978-0-646-82504-5

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Laser Machining and Characterisation (C12A)

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C. G. Baldwin, J. E. Downes, and R. P. Mildren, "Enhancement of UV laser induced etching of diamond under vacuum," in 14th Pacific Rim Conference on Lasers and Electro-Optics (CLEO PR 2020), OSA Technical Digest (Optica Publishing Group, 2020), paper C12A_2.

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Abstract

An investigation into UV two-photon etching of diamond surfaces in low pressure conditions is presented. A tenfold increase in etch rate was observed, attributed to the reduced role of water vapour in suppressing carbon ejection.

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