Request InfoRoithner Lasertechnik GmbHRoithner Lasertechnik offers UV photodiodes based on GaP technology with active areas of 0.5, 1.2, 4.8 and 10.9 mm2. Compared with Si photodiodes, these devices have better signal-to-noise ratios and temperature stability. They also have low dark current, good linearity and short switching times, and reject visible wavelengths well without the need for high-pass filters. 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