Calibration of a monochromator using a lambdameter

T. Schwarzmaier; A. Baumgartner; P. Gege; K. Lenhard

doi:10.1117/12.2028670

24 October 2013 Calibration of a monochromator using a lambdameter

T. Schwarzmaier, A. Baumgartner, P. Gege, K. Lenhard

Proceedings Volume 8889, Sensors, Systems, and Next-Generation Satellites XVII; 888910 (2013) https://doi.org/10.1117/12.2028670
Event: SPIE Remote Sensing, 2013, Dresden, Germany

Abstract

The standard procedure for wavelength calibration of monochromators in the visible and near infrared wavelength range uses low-pressure gas discharge lamps with spectrally well-known emission lines as primary wavelength standard. The calibration of a monochromator in the wavelength range of 350 to 2500 nm usually takes some days due to the huge number of single measurements necessary. The useable emission lines are not for all purposes sufficiently dense and at the appropriate wavelengths. To get faster results for freely selectable wavelengths, a new method for monochromator characterization was tested. It is based on measurements with a lambdameter taken at equidistant angles distributed over the grating's entire angular range. This method provides a very accurate calibration and needs only about two hours of measuring time.

Citation Download Citation

T. Schwarzmaier, A. Baumgartner, P. Gege, and K. Lenhard "Calibration of a monochromator using a lambdameter", Proc. SPIE 8889, Sensors, Systems, and Next-Generation Satellites XVII, 888910 (24 October 2013); https://doi.org/10.1117/12.2028670

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