Development of a Background-Free, Broadband Absorption Method using Ultrafast Lasers: Time-Resolved Optically Gated Absorption (TOGA) Spectroscopy

Patrick S. Walsh; Hans U. Stauffer; Sukesh Roy; James R. Gord

doi:10.1364/LACSEA.2018.LM2C.3

Imaging and Applied Optics 2018 (3D, AO, AIO, COSI, DH, IS, LACSEA, LS&C, MATH, pcAOP)
OSA Technical Digest (Optica Publishing Group, 2018),
paper LM2C.3
•https://doi.org/10.1364/LACSEA.2018.LM2C.3

Development of a Background-Free, Broadband Absorption Method using Ultrafast Lasers: Time-Resolved Optically Gated Absorption (TOGA) Spectroscopy

Patrick S. Walsh, Hans U. Stauffer, Sukesh Roy, and James R. Gord

Laser Applications to Chemical, Security and Environmental Analysis 2018

Orlando, Florida United States
25–28 June 2018
ISBN: 978-1-943580-44-6

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Ultra-fast Techniques & High-speed Imaging (LM2C)

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P. S. Walsh, H. U. Stauffer, S. Roy, and J. R. Gord, "Development of a Background-Free, Broadband Absorption Method using Ultrafast Lasers: Time-Resolved Optically Gated Absorption (TOGA) Spectroscopy," in Imaging and Applied Optics 2018 (3D, AO, AIO, COSI, DH, IS, LACSEA, LS&C, MATH, pcAOP), OSA Technical Digest (Optica Publishing Group, 2018), paper LM2C.3.

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Abstract

We demonstrate a robust ultrafast-laser technique, referred to as time-resolved optically gated absorption (TOGA) spectroscopy, for acquiring broadband, background-free, single-laser-shot absorption spectra for use in combustion diagnostics.

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