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Change in FWHM of AlGaAs LEDs subjected to mixed neutron and gamma radiation

机译：混合中子和伽马辐射的AlGaAs LED的FWHM变化

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Abstract: AlGaAs light emitting diodes were irradiated in a mixed neutron/gamma environment produced by a research reactor operating at steady state power levels. Changes in the DUTs power and spectral output were measured following an annealing period of 24-30 hours. The LED's total output power decreased with increasing fluence, and the device's spectral output/full width half maximum peaks shifted. Initially, the LED radiated light at two output peak wavelengths of 820 and 890 nm. Following a cumulative irradiation of $APEQ 10$+16$/ n/cm$+2$/ (GaAs), the second radiation peak was reduced to less than 0.5% of the DUT's total output power, and the lower peak shifted to a longer wavelength of 833 nm.!10
机译：摘要：AlGaAs发光二极管在研究堆在稳态功率水平下产生的混合中子/伽马环境中进行辐照。在24至30小时的退火时间后，测量DUT功率和频谱输出的变化。 LED的总输出功率随着通量的增加而降低，并且该器件的光谱输出/全宽半峰最大移动。最初，LED以820和890 nm的两个输出峰值波长辐射光。在累积辐照$ APEQ 10 $ + 16 $ / n / cm $ + 2 $ /（GaAs）之后，第二个辐射峰减小到小于DUT总输出功率的0.5％，下一个峰变为更长的833 nm波长!! 10

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