Abstract
A method for compensating the temperature instability of the photodiode response is tested. The method is based on the simultaneous measurement of the photocurrent and temperature of the photodiode. A subsequent digital correction reduces the temperature fluctuations of the photocurrent down to the intrinsic noise level. This method, in contrast to the traditional active thermostabilization method, excludes heating of the photodiode and provides an order of magnitude smaller threshold of detectability. Experimental results for a ФДУК-10 photodiode are presented; the temperature coefficients of the photodiode's spectral response are determined for several wavelengths.
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