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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 powerfu...

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


(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? | eHow


The main application of a laser pointer is to call attention to specific areas during a public presentation. However, laser pointers have been adapted to be used ...

The Danger Of Green Laser Pointers - MIT Technology Review


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.

Laser Pointer Safety - FAQ


When does a laser pointer get powerful enough to be dangerous? ..... bans may not work: In the Australian state of Victoria, lasers are regulated as a controlled ...

How Green Lasers Work (for the newbs) - Laser Pointer Forums ...


Well the question is often asked here, how do green lasers actually work and why do they need an IR filter, so I decided to make this post that ...

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


The laser pointer is a low cost portable laser that can be carried in the hand. .... Laser diodes are tested to make sure that they work after fabrication as well.

Lasers for Dummies - Wicked Lasers


What is output power and how does it affect laser visibility? ... players; bar code scanners; dental drills; laser-guided tools, such as levels; and laser pointers.

Laser Pointer Safety - Illegal laser pointers being sold by Amazon.com


Jan 31, 2013 ... According to FDA/CDRH regulation 1040.10, lasers sold as pointers must have .... That explains why the violet/purple laser pointer can work for ...

More Info

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


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 ...

How Does a Laser Work - OR Laser


5 Tricks You Did Not Know You Could Do With Laser Pointers: On this resource, those with laser pointers can learn several unique tricks that they can do with ...

How Your Laser Pointer Works, At Least In Theory - Gizmodo


Dec 5, 2011 ... The next time you're annoying people from afar with your laser pointer, you'll have a greater appreciation for its bright and focused beam after ...