Multichannel Fiber Optic Spectrometer For Polychromatic Pyrometry

J. P. Laude; D. Lepere; M. Clement; J. Lerner

doi:10.1117/12.951606

5 July 1989 Multichannel Fiber Optic Spectrometer For Polychromatic Pyrometry

J. P. Laude, D. Lepere, M. Clement, J. Lerner

Proceedings Volume 1055, Raman Scattering, Luminescence and Spectroscopic Instrumentation in Technology; (1989) https://doi.org/10.1117/12.951606
Event: OE/LASE '89, 1989, Los Angeles, CA, United States

Abstract

According to Kirchhoff and Planck's laws, it may be demonstrated that the measurement of the thermal radiation of a source, at n wavelengths, allows the determination of both its emissivity and its true temperature (T); the emissivity being described by an expansion in n-2 wavelengths. The accuracy of both thermal radiation and emissivity measurements, theoretically, grows with n for sources with purely thermal radiation.

Citation Download Citation

J. P. Laude, D. Lepere, M. Clement, and J. Lerner "Multichannel Fiber Optic Spectrometer For Polychromatic Pyrometry", Proc. SPIE 1055, Raman Scattering, Luminescence and Spectroscopic Instrumentation in Technology, (5 July 1989); https://doi.org/10.1117/12.951606

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