New method for the spectral radiance factor measurement of diffuse reflective substrates

We propose and demonstrate a new practical method for measuring the total/diffuse hemispherical reflectances and simultaneously reflected radiance factor of diffuse reflective substrates. This method involves the use of a collimated and focused monochromatic light beam and a specified integrating-sp...

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Veröffentlicht in:	Japanese Journal of Applied Physics 1997-03, Vol.36 (3A), p.L310-L312
Hauptverfasser:	SHIMOKAWA, R, SAITO, I, IGARI, S
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied sciences Energy Exact sciences and technology Instruments, apparatus, components and techniques common to several branches of physics and astronomy Natural energy Optical instruments, equipment and techniques Photoelectric conversion: solar cells and arrays Photovoltaic conversion Physics Refractometers and reflectometers Solar cells. Photoelectrochemical cells Solar energy
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Beschreibung
Zusammenfassung:	We propose and demonstrate a new practical method for measuring the total/diffuse hemispherical reflectances and simultaneously reflected radiance factor of diffuse reflective substrates. This method involves the use of a collimated and focused monochromatic light beam and a specified integrating-sphere detector. The reflected radiance factor can be computed from the differential of the reflectance as a function of the polar angle.
ISSN:	0021-4922 1347-4065
DOI:	10.1143/jjap.36.L310