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Laser pointer - Wikipedia

en.wikipedia.org/wiki/Laser_pointer

A laser pointer or laser pen is a small handheld device with a power source ( usually a battery) .... Also, most smaller 593.5 nm pointers work in pulsed mode, so they can use smaller and less powerf...

How Do Laser Pointers Work? - Techwalla.com

www.techwalla.com/articles/how-do-laser-pointers-work

Mar 31, 2015 ... Laser pointers are small devices that emit a beam of light that projects a small, colored dot onto a surface. The main application of a laser ...

www.ask.com/youtube?q=How Laser Pointers Work?&v=ZNUUmb9vdQk
Feb 23, 2012 ... ... describing how a laser pointer works rbwilliams1000@gmail.com. ... Why do Laser Diodes Need Driver Circuits And How Do They Work?

How Does a Laser Work - OR Laser

www.or-laser.com/en/how-does-a-laser-work/

Lasers work to amplify a light source and turn it into one powerful, ... This is possible through devices such as laser pointers and can be very fun and educational ...

How does a green laser pointer work? (Or: Why are ... - ScopeStuff

www.scopestuff.com/ss_lasr5.htm

(Or: Why are they more expensive than red laser pointers?) Solid state green lasers are a relatively new item to the consumer market, but red laser pointers have ...

How do laser pointers work? | Socratic

socratic.org/questions/how-do-laser-pointers-work

Oct 6, 2015 ... See: Minute Physics: How lasers work Here is the inside of a typical inexpensive red laser pointer: And here is the inside of an expensive, ...

What's Your Wavelength? - How Lasers Work | HowStuffWorks

science.howstuffworks.com/laser8.htm

Other lasers, such as diode lasers, are very weak and are used in today's pocket laser pointers. These lasers typically emit a red beam of light that has a ...

The Danger Of Green Laser Pointers - MIT Technology Review

www.technologyreview.com/s/420214/the-danger-of-green-laser-pointers/

Aug 12, 2010 ... Cheap green laser pointers can emit dangerous levels of infrared radiation, according to an investigation carried out by physicists in the US.

Encyclopedia of Laser Physics and Technology - laser pointers ...

www.rp-photonics.com/laser_pointers.html

A laser pointer is a small (usually battery-powered) laser device designed for pointing at objects by illuminating them with a collimated visible laser beam.

How laser pointer is made - material, history, used, parts ...

www.madehow.com/Volume-7/Laser-Pointer.html

The laser pointer is a low cost portable laser that can be carried in the hand. .... in the side of the case) that must be pushed and held for the laser pointer to work.