Weekly PULSE Issue
Kaivan Karimi – Dir. of Global Strategy, Microcontroller Group, at Freescale
Electronics Quiz of the Day
Lasers
Posted Jul 19th 2012
Question:
LASER has become a commonly used word and ubiquitous tool, but what is it?
Answer:
- Monochromatic, the light is only one wavelength or color (in theory).
- Collimated, the light is going in a single direction instead of random directions.
- Coherent, meaning the light waves are in phase.
Lasers are used everyday in drilling,cutting, surgery, guidance, bar code readers, and optical disk drives.
links:
http://www.laserfest.org/lasers/index.cfm
http://www.hk-phy.org/articles/laser/laser_e.html
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