Miniature Fourier transform instrument for radiation thermometry

Details Miniature Fourier transform instrument for radiation thermometry Miniature Fourier transform instrument for radiation thermometry

Jun 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998aipc..430..415d&link_type=abstract

The eleventh international conference on fourier transform spectroscopy. AIP Conference Proceedings, Volume 430, pp. 415-418 (1

Physics

Infrared Sources, Thermal Radiation, Infrared Spectrometers, Auxiliary Equipment, And Techniques

Scientific paper

A miniature Fourier transform (FT) spectrometer has been tested as a device for remotely measuring the temperature of a high stability/emissivity blackbody. The commercially manufactured device is based on the novel design of a polarizing Wollaston prism spatial domain interferometer, with a Si diode array detector, and without any moving parts. The measurement of temperature using Planck's law showed a consistent nonlinear effect. This results in an error of the order of 1% for measurement of temperatures 500 K and above. Planned calibration measurements should reduce the nonlinearity related error and improve the FT temperature measurement.

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