Photothermal Commonpath Interferometry of Silicon Nitride Membranes for Laser Light Sails

Tanuj Kumar,Demeng Feng,Shenwei Yin,Phyo Lin,Merlin Mah, Margaret Fortman,Gabriel R. Jaffe,Chenghao Wan,Chengyu Fang,Ronald Warzoha,Victor W. Brar,Joseph J. Talghader,Mikhail A. Kats

2023 Conference on Lasers and Electro-Optics (CLEO)（2023）

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摘要

We measured the absorption of stoichiometric suspended silicon-nitride membranes at 1064 nm using photothermal common-path interferometry, aided by a new reference technique that uses monolayer graphene.

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关键词

laser light sails,photothermal common-path interferometry,photothermal commonpath interferometry,silicon nitride membranes,size 1064.0 nm,stoichiometric suspended silicon-nitride membranes

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