Diffraction gratings from http://www.dragonlasers.com This tutorial explains what laser diffraction gratings are, the different types, their applications and the care that needs to be exercised when using them. Laser diffraction gratings are from D

Laser is from http://www.dragonlasers.com An explanation of the beam properties and burning abilities of Infrared IR lasers. Lasers used were a 400mW 808nm infra red IR laser pointer and 400mW 980nm infrared IR laser pointer. Infrared IR laser poi

A tutorial demonstrating how to clean a green laser pointer lens and the equipment you should use. Laser pointer is from Dragonlasers at http:// www.dragonlasers. com

A jury rigged spirogram built in 5 minutes uses a high power laser pointer to create simple and cool light show. Laser from http://www.dragonlasers.com

A tutorial on how laser safety glasses can protect against high power lasers and cool demonstrations. Laser safety glasses are from www.dragonlasers.com

Demonstration tutorial of a Viper laser pointer and 3 types of diffraction gratings. Viper is courtesy of http://www.dragonlasers.com

Essential viewing for any one thinking of buying a laser pointer on ebay. Explanations of the 3 main ways sellers of laser pointers on ebay scam people AND put their health at risk. The genuine laser from www.dragonlasers.com

A tutorial on the power levels of laser pointers and what lasers of different powers can do.