Consider a 60-cm long HeNe laser (633 nm) that operates on two adjacent longitudinal modes of equal amplitude A and identical polarization. The laser illuminates a photodiode with a 1-ns response time. The diode output is monitored on a 1-GHz oscilloscope. Derive an equation for the signal as a function of time. Sketch the oscilloscope trace that you expect and comment.
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Consider a 60-cm long HeNe laser (633 nm) that operates on two adjacent longitudinal modes of equal...
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