Question

Question B3 (20 marks in total) a) (10 marks) Discuss the relevant features of a photomultiplier including the following: Construction - Principle of operation - Explain what is meant by responsivity. Plot an example responsivity of a photomultiplier as a function of wavelength - Applications of photomultipliers b) (10 marks) Discuss the relevant features of a photodiode including the following: Construction Principle of operation. Include a suitable circuit diagram these photodiodes require to operate. Schematic responsivity as a function of wavelength - Applications

Answer 1

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