"wickedlasers" videos at 5min

Diffraction gratings from http://www.dragonlasers.com 3 Sparan series lasers (blue, green & red) are used with diffraction gratings to make a laser show. Also an explanation of diffraction gratings, how to use them and the precautions to take.

3:28

The beam expander is an optics designed to be used with lasers to control beam properties such as divergence, length and focus point. This video explains how the beam expander works and gives several

5:20

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

3:28

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

3:07

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

0:39

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

2:23

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

2:33