Laser diode self-mixing: Range-finding and sub-micron vibration measurement - YouTube

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. :// Nerd Thunder! Check them out! Dean Segovis: Jeri Ellsworth: Becky Stern: Ben Krasnow: John Schuch: Darren Landrum: Joe Grand: Mark VandeWettering: http