Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.
Welcome to our site! Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.
is it possible to shine a laser on to a crystal and see the vibration on the wall, how else could I get a high frequency oscillation to bend a laser light (0.5 - 14mhz)
Vibration on a crystal is a piezo electromechanical reaction. Most RF crystal are not that reflective and they don't physically flex that much. They will also be effected by exposure to atmosphere. There are some crystals packaged in a glass cover. You might try hitting one of these at glancing angle with a laser while crystal is running an oscillator.
If you get an overtone glass packaged crystal, the quartz is polished so the silver electrode has a mirror finish. However, the glass package is optically poor, and there will be next to no change in the reflection because the crystal moves in the wrong direction.
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