PSD Time Response: Dependence on Illumination Location and IER

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PSD Time Response: Dependence on Illumination Location and IER

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The response time performance of lateral effect positionsensitive detectors (PSD) and its correlation with the illumination spot location within the active area is not trivial. To a certain extent, difficulties in understanding this problem came from attempts to interpret the lateral photovoltaic effect in terms of “resistances”—inter-element resistance (IER) and series resistance of the photodiode.

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