Over-driving a Cheap DPSS 532nm Green Laser at 2V Peak 50mW+ Power with High Energy Density Battery 

A very bright beam with high visibility at the cost of IR (infrared) leakage, shorter lifespan of the diode, as well as overheating of the on-board NPN transistor, but fun for a short while. This laser works well for high-intensity and short-duration experiments using PWM topology.

Наука