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laser source and photodetector circuit of a sensor

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yuan2601

New Member
Hi,
i'm doing a project about vibration sensor based on Fabry-Perot Interferometer.
Now my supervisor wanted me to show him the circuits of the laser source and photodetector. Could any 1 give me some ideas about it? I am going to use an 850 nm VCSEL laser diode as the source.
 
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