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A laser is a device that emits light through a process of optical amplification based on the ... Spatial coherence also allows a laser beam to stay narrow over great distances (collimation), ..... g...

How to make a powerful burning laser for CHEAP! - Instructables


So I made one, and in this instructable, I will show you how to make one for less ... Is there anyway to focus the laser to a beam or something like that because it ...

www.ask.com/youtube?q=How to Make a Laser Beam?&v=BYuvHFiyfoQ
Jul 1, 2013 ... If there is enough demand, I will start selling kits (without diode)- just post a comment below Thanks for watching how to Build a 1W Blue Laser!
www.ask.com/youtube?q=How to Make a Laser Beam?&v=3gZ_HZkSzl4
Oct 12, 2014 ... How to make a laser pointer for less than $2. The only things I had to buy were some button cell batteries, and the laser diode. I got them both ...
www.ask.com/youtube?q=How to Make a Laser Beam?&v=ZvZB0kJztMI
Oct 25, 2012 ... Modifying a laser simply by adding an additional lens and ways for the beam to appear brighter.
www.ask.com/youtube?q=How to Make a Laser Beam?&v=PYIQpP3-ZXY
Mar 19, 2011 ... Here's how to make your laser's beam extremely bright. I use these tricks in most of my videos for the best eye candy. I had a lot of requests for ...

DIY Lasers Are Irresistibly Dangerous | WIRED


May 16, 2011 ... Add a focusing lens and the beam of laser light creates a tiny, intensely hot ball of plasma that can burn holes in aluminum and char wood.

Turn a flashlight into a handheld burning laser - Lifehacker


Aug 8, 2007 ... DIYer Kipkay extracts the laser from a DVD burner and mounts it in a small ... the fire by pointing your homemade handheld laser at the tinder.

How to Make a Laser Beam Without a Laser Resonator | Sep 2007 ...


Superradiant lasers — ones that produce enough gain in a single pass to generate significant output — have been around since the early days of nitroge.

How do lasers work? | Who invented the laser? - Explain that Stuff


Aug 10, 2016 ... Photo: It's much easier to make laser beams follow precise paths than ordinary light beams, as in this experiment to develop better solar cells.

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How to Make a Laser (with Pictures) - wikiHow


How to Make a Laser. The word ... Two Parts:Understanding How a Laser Works Building a LaserCommunity Q&A .... Adjust the lens to focus the laser beam.

DIY- How To Make A Burning Laser The Right Way! - Random How To


Dec 18, 2007 ... Do not look into your laser beam! Do not shine this laser at any moving vehicle! Do not use it to play with your pets! And most importantly, DO ...

How to build a small laser that can burn things | Florin's blog


May 19, 2010 ... The goal is to make a laser capable of burning small objects, such as ... The bigger the current, the more powerful the beam, but the diode's life ...