How to Build a Laser Pointer?


Building a laser pointer can be dangerous and unlawful. A simple laser pointer that does the same thing would be to tape the cover of a flashlight except for a tiny circle and put a red bulb in the flashlight and viola' you have a laser pointer. You can find more information here:
Q&A Related to "How to Build a Laser Pointer?"
1. Place a sheet of newspaper on a table to protect the surface. Unscrew the battery cap from the plastic flashlight. Remove the batteries from the battery compartment. 2. Unscrew
1. Buy a laser pointer. Any will do- either red (1-5) or green (10-20) Ad. 2. Play with the newly-acquired laser. Play with a pet. Some dogs and cats will chase the laser dot around
Basically any color you want, except white.
Power of a laser pointer is usually measured in milliwatts (mW) It would depend on
1 Additional Answer Answer for: how to build a laser pointer
How to Build a Laser Pointer
A laser pointer follows the same basic design as that of a flashlight, except that a laser diode is used instead of an incandescent bulb. You can build your own laser pointer from a disposable plastic flashlight, a few supplies commonly found around the... More »
Difficulty: Moderate
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