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Spectral calibration of radiometric detectors using tunable laser sources |
Applied Optics, Vol. 51, Issue 12, pp. 1950-1961 (2012)
http://dx.doi.org/10.1364/AO.51.001950
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Abstract
This paper describes the analysis of laser-based responsivity measurements using the Tunable Lasers in Photometry setup at the Physikalisch-Technische Bundesanstalt. An approach based on digital signal analysis is proposed to remove interference-caused oscillations in highly resolved spectral data from laser-based measurements, yielding an improved reproducibility and comparability of results. Digital filters are used to selectively suppress the frequency components of interference fringes visible in the measurement data. We describe the algorithm used and discuss the associated uncertainty components of laser-based measurements. Finally, we give examples of the calibration of different detectors with and without interference effects.
© 2012 Optical Society of America
OCIS Codes
(070.4790) Fourier optics and signal processing : Spectrum analysis
(120.3930) Instrumentation, measurement, and metrology : Metrological instrumentation
(120.5240) Instrumentation, measurement, and metrology : Photometry
(120.5630) Instrumentation, measurement, and metrology : Radiometry
(070.2615) Fourier optics and signal processing : Frequency filtering
ToC Category:
Fourier Optics and Signal Processing
History
Original Manuscript: December 9, 2011
Manuscript Accepted: January 30, 2012
Published: April 11, 2012
Citation
Michaela Schuster, Saulius Nevas, Armin Sperling, and Stephan Völker, "Spectral calibration of radiometric detectors using tunable laser sources," Appl. Opt. 51, 1950-1961 (2012)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-51-12-1950
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