An instrument for measuring the intensity and dose of cancerigenic ultraviolet radiation |
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Authors: | T. V. Blank Yu. A. Gol’dberg E. V. Kalinina A. N. Karpenko |
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Abstract: | An instrument for measuring the intensity and dose of cancerigenic radiation from the Sun and artificial sources has been developed. A 4H-SiC Schottky barrier photodetector is used as the sensor. The sensitivity spectrum of the photoelectric transducer lies in the region 240–300 nm and has a maximum at 260 nm. The quantum efficiency is ≈0.3 electrons/photon (at λ = 254 nm), and its temperature coefficient at T = 250–310 K is < 0.1%/°C. The dimensions of the device are 3 × 6 × 11 cm. |
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