Abstract: Silicon photodiodes are semiconductor devices responsive to high energy particles and photons. Photodiodes are widely used in applications such as light intensity measurements, photography,  optical position sensors, laser range finders, optical communications, and medical imaging instruments. The non-uniform characteristic of the photodiode do not affect  these  applications in a considerable way. In this paper, an experimental study on the non-uniformity characteristics of photodiodes is performed  using a laser source.

Keywords: photodiode, responsivity, non-uniformity, linearity

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