A calibrated integrating sphere setup to determine the infrared spectral radiant flux of high-intensity discharge lamps

A setup that aims to determine the infrared radiation fraction of the energy balance of high intensity discharge (HID) lamps has been designed, constructed and calibrated. It consists of a high-resolution integrating sphere that can cover a wide spectral range. New in this work is that the integrati...

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Veröffentlicht in:Journal of physics. D, Applied physics Applied physics, 2011-06, Vol.44 (22), p.224007
Hauptverfasser: Rijke, A J, Nijdam, S, Haverlag, M, Janssen, J F J, van der Mullen, J J A M, Kroesen, G M W
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Sprache:eng
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Zusammenfassung:A setup that aims to determine the infrared radiation fraction of the energy balance of high intensity discharge (HID) lamps has been designed, constructed and calibrated. It consists of a high-resolution integrating sphere that can cover a wide spectral range. New in this work is that the integrating sphere measurements can be used in the infrared part of the spectrum up to 10 µm and that we have calibrated the absolute intensity in that range. No calibration standards for spectral radiant flux are readily available in the infrared. Therefore, we have used a resistive heated platinum ribbon as absolute intensity reference. As a first test case, this new setup was used to determine the energy balance of a Philips CDM-T 70W/830 lamp, which is a type of metal halide HID lamp.
ISSN:0022-3727
1361-6463
DOI:10.1088/0022-3727/44/22/224007