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Proceedings Paper

Laser-based spectrometry at NPL
Author(s): Eric Usadi; Laura Crane
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Paper Abstract

Traditional spectrophotometry, including regular and diffuse scattering measurements of reflected and transmitted light, employs lamp-based sources of radiation which are spectrally filtered by a spectrometer or by individual optical filters. Lasers offer distinct advantages to the traditional sources, most notably high spectral power and the possibility of very small irradiated area. NPL has established a new laser-based facility for reflectance and transmittance measurements which utilises NPL’s National Laser Radiation Facility, a suite of lasers covering a broad spectral range from the UV to the IR. This paper will highlight the capabilities of this new facility, discuss several of its unique design features, and present an analysis of the factors which influence its ultimate accuracy.

Paper Details

Date Published: 14 November 2003
PDF: 10 pages
Proc. SPIE 5192, Optical Diagnostic Methods for Inorganic Materials III, (14 November 2003); doi: 10.1117/12.509179
Show Author Affiliations
Eric Usadi, National Physical Lab. (United Kingdom)
Laura Crane, National Physical Lab. (United Kingdom)

Published in SPIE Proceedings Vol. 5192:
Optical Diagnostic Methods for Inorganic Materials III
Leonard M. Hanssen, Editor(s)

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