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Laser pointer


Also, most smaller 593.5 nm pointers work in pulsed mode so they can use smaller and less powerful pumping diodes. New 589 nm yellow laser pointers have ...

www.ask.com/youtube?q=How Laser Pointers Work?&v=ZNUUmb9vdQk
Feb 23, 2012 ... Richard Williams describing how a laser pointer works ... Why do Laser Diodes Need Driver Circuits And How Do They Work? - Duration: 5:37.

What's Your Wavelength? - How Lasers Work - How Stuff Works


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 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 ...

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 ...

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.

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 ...

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 Does a Laser Pen Work? - Laser Pointer Forums - Discuss Laser ...


A laser pen is composed of a laser diode, a battery, and possibly a lens. Many laser pointers are red or green lasers, depending on the quality.

Popular Q&A
Q: How laser pointers work?
A: Laser lights have certain characteristics that allow it to seperate from regulare white light. The light is colored because it is organized light. It also conta... Read More »
Source: wiki.answers.com
Q: How a Laser Pointer Works.
A: Since the 1980s, when laser technology became small enough for consumer devices, laser pointers have gone from rare to ubiquitous. When laser pointers were intr... Read More »
Source: www.ehow.com
Q: How Do Laser Pointers Work?
A: The Basics. 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 pointe... Read More »
Source: www.ehow.com
Q: How do laser pointers work?
A: Electronics that provide a constant drive power to the laserdiode a... ...MORE... Read More »
Source: www.chacha.com
Q: How do laser pointers work?
A: Lit up 30 years ago the laser diode is the basis of all of the world's cheap lasers. A ruby laser (depicted earlier) is a solid-state laser and emits at a wavel... Read More »
Source: wiki.answers.com