Published On Dec 9, 2018
A plain laser diode can easily measure sub-micron vibrations from centimeters away by self-mixing interferometry! I also show how this technique can be used for range-finding.
http://sci-hub.tw/http://iopscience.i...
https://www.jameco.com/Jameco/Product...
https://www.spiedigitallibrary.org/jo...
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