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Proceedings Paper

Experimental study on absolute spectral responsivity value transfer with cryogenic radiometer
Author(s): Xueshun Shi; Kunfeng Chen; Hongyuan Liu; Hengfei Wang; Quanshe Sun
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Paper Abstract

The spectral responsivity measurement theoretical outline was demonstrated. Absolute spectral responsivity of the Silicon trap detector is calibrated with laser intensity stabilizer, closed loop refrigeration cryogenic radiometer. Seven wavelength laser beams of 476.1nm, 488nm, 514.7nm, 568nm, 632.8nm, 647.1nm and 1064nm, are chosen for the calibration experiments. Relative spectral responsivity of the cavity pyroelectric detector is calibrated in the band from 600nm to 15μm. Absolute spectral responsivity of the pyroelectric detector is transferred at 1064nm. The absolute and relative measurement uncertainty is evaluated. Results demonstrated that the absolute spectral responsivity of the Silicon trap detector and the cavity pyroelectric detector is 0.3954A/W, whose uncertainty is better than 0.04%, and 5.4E-7A/W, whose uncertainty is better than0.4%, respectively, at 1064nm. The pyroelectric detector absolute spectral responsivity uncertainty is better than 5% in other wavelength.

Paper Details

Date Published: 20 November 2009
PDF: 6 pages
Proc. SPIE 7511, 2009 International Conference on Optical Instruments and Technology: Optoelectronic Measurement Technology and Systems, 75111A (20 November 2009); doi: 10.1117/12.837791
Show Author Affiliations
Xueshun Shi, National Key Lab. of Science and Technology (China)
The 41st Research Institute (China)
Kunfeng Chen, National Key Lab. of Science and Technology (China)
The 41st Research Institute (China)
Hongyuan Liu, National Key Lab. of Science and Technology (China)
Hengfei Wang, The 41st Research Institute (China)
Quanshe Sun, The 41st Research Institute (China)


Published in SPIE Proceedings Vol. 7511:
2009 International Conference on Optical Instruments and Technology: Optoelectronic Measurement Technology and Systems
Shenghua Ye; Guangjun Zhang; Jun Ni, Editor(s)

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