How to Choose Green Laser Pointers

Laser pointers were once only available to "mad scientists" in science fiction. Now anybody can legally purchase a laser pointer for just a few dollars. Green laser pointers are popular because the human eye is especially sensitive to the green light they emit. This has led to many different types of green laser pointers on the market. Choosing a green laser pointer requires a careful examination of three aspects of the laser pointer so that you get the one that best suits your needs

Instructions

1. Go over the specifications of the green laser pointer to see if it has an infrared filter for removing damaging and invisible infrared radiation when in use.

2. Check whether the focusing lens is made of plastic or glass. A plastic lens will deteriorate after extended use and cloud the laser beam.

3. Review the warranty of the to see how long the pointer can be used before being returned if it breaks. Since the quality of the inner electronics of green laser pointers vary, a six month warranty is considered a reasonable amount of time.

Tips & Warnings

• Carry spare batteries because the green laser pointer battery power very quickly.

• Do not aim a green laser pointer at anybody; the light can cause serious damage to a person's eyes.

References

• The Standard For Selecting A Green Laser Pointer

Resources

• Laser Safety