Science > Laser

Laser pointer safety

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Laser pointer safety
https://www.ehs.washington.edu/rsononion/laserpointer.shtm

  • Do not aim the laser at reflective surfaces.
  • Classified as Class 2 or 3a according to the label.
  • Operates at a wavelength between 630 nm and 680 nm.
  • Has a maximum output less than 5 mW, the lower the better.

 

Best Laser Balloon Pop

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Balloon popping laser
Simon Monk
A trick balloon popper that you can build for yourselves.
From the book ’15 Dangerously Mad Projects for the Evil Genius’ by Simon Monk. http://www.dangerouslymad.com

Best Laser Balloon Pop
95mW green pointer popping a red balloon that is inside a clear balloon.

Balloon Death Row –
CNI 500 mW Green Laser Popping 23 Balloons
CNI Portable Green Laser – PGL-III-C 532nm at 500mW, popping 23 balloons placed in a row.

Sam Laser FAQ

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Laser Experiments and Projects
http://www.repairfaq.org/sam/laserexp.htm

The Home-Built Laser Assembly and Power Supply
http://www.repairfaq.org/sam/laserclp.htm

Brewster window
http://www.rp-photonics.com/brewster_windows.html
http://en.wikipedia.org/wiki/Brewster%27s_angle

Basic Laser Principles
http://www.cvimellesgriot.com/products/Documents/TechnicalGuide/Basic_Laser_Principles.pdf

lifetime

dependence of wavelength on temperature

Green lasers have up to five times the visibility of red lasers with the same output power

Diffraction causes light waves to spread transversely as they propagate, and it is therefore impossible to have a perfectly collimated beam.

Buyer’s guide
http://www.rp-photonics.com/bg/buy_brewster_windows.html

HeNe Lasers
http://www.reoinc.com/products/hene_lasers

http://www.amazing1.com/laser-plans.htm

Astronomy
http://www.z-bolt.com/green-laser-pointers/astronomy/astro-10.html