Stray light correction for diode-array-based spectrometers using a monochromator

Salim, S. G. R., Fox, N. P., Hartree, W. S., Woolliams, E. R., Sun, T. & Grattan, K. T. V. (2011). Stray light correction for diode-array-based spectrometers using a monochromator. Applied Optics, 50(26), pp. 5130-5138. doi: 10.1364/AO.50.005130

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Abstract

Photodiode-array-based spectrometers are increasingly being used in a wide variety of applications. However, the signal measured by this type of instrument often is not what is anticipated by the user and is often subject to contamination from stray light. This paper describes an efficient and low-cost stray light correction approach based on a relatively simple system using a monochromator-based source. The paper further discusses the limitations of using a monochromator instead of a laser, as used by previous researchers, and its impact on the quality of the stray light correction. The reliability and robustness of the stray light correction matrix generated have been studied and are also reported.

Item Type: Article
Additional Information: © Salim et al 2011 Optical Society of America. One print or electronic copy may be made for personal use only. Systematic reproduction and distribution, duplication of any material in this paper for a fee or for commercial purposes, or modifications of the content of this paper are prohibited.
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: School of Engineering & Mathematical Sciences > Engineering
URI: http://openaccess.city.ac.uk/id/eprint/14965

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