26 July 2016 Compact hybrid solar simulator with the spectral match beyond class A
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Abstract
A compact hybrid solar simulator with the spectral match beyond class A is proposed. Six types of high-power light-emitting diodes (LEDs) and tungsten halogen lamps in total were employed to obtain spectral match with <25% deviation from the standardized one in twelve spectral ranges between 400 and 1100 nm. All spectral ranges were twice as narrow than required by IEC 60904-9 Ed.2.0 and ASTM E927-10(2015) standards. Nonuniformity of the irradiance was evaluated and <2% deviation from the average value of the irradiance (corresponding to A class nonuniformity) can be obtained for the area of >3-cm diameter. A theoretical analysis was performed to evaluate possible performance of our simulator in the case of GaInP/GaAs/GaInAsP/GaInAs four-junction tandem solar cells and AM1.5D (ASTM G173-03 standard) spectrum. Lack of ultraviolet radiation in comparison to standard spectrum leads to 6.94% reduction of short-circuit current, which could be remedied with 137% increase of the output from blue LEDs. Excess of infrared radiation from halogen lamps outside ranges specified by standards is expected to lead to ∼0.77% voltage increase.
© 2016 Society of Photo-Optical Instrumentation Engineers (SPIE)
Artūras Baguckis, Algirdas Novičkovas, Algirdas Mekys, Vincas Tamošiūnas, "Compact hybrid solar simulator with the spectral match beyond class A," Journal of Photonics for Energy 6(3), 035501 (26 July 2016). https://doi.org/10.1117/1.JPE.6.035501 . Submission:
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