2. Metrology in the home

Measuring the temperature at the focus of a solar concentrator is a complex problem, because the spectral luminance measured by an optical pyrometer is the result of two contributions: the sample's own emission and the reflection of luminance from the concentrator.

Thus the spectral luminance L ⁰ (T, λ) in the normal direction is expressed by (figure 2 ):

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Metrology in the home

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page Principle and technologies

Applications in the field of high-temperature materials

(1) - WELFORD (W.), WINSTON (R.) - The optics of non-imaging concentrators - . Academic Press, New York (1978).
(2) - TROMBE (F.), LE PHAT VINH (A.) - Conclusion générale - , Cahier de l'AFEDES N° 3, 66-70 (1971).
(3)...