How to Make a Red Laser Pointer Stronger

By Marshal M. Rosenthal

Red laser pointers comes in a variety of shapes and designs. What they all share--regardless of their price--is a low-intensity beam set at the factory. The intensity can be adjusted to a higher setting to provide a stronger beam of laser light. The procedure takes less than a half hour and does not require any.expertise in electronics.

Things You'll Need

  • Newspaper
  • Utility knife
  • Flashlight
  • Jeweler's screwdriver
  • Bonding glue

Step 1

Put some newspaper down on a work surface. Remove and set aside the battery cap and batteries from the laser pointer.

Step 2

Use the utility knife to remove the power button from the pointer's casing and put it aside.

Step 3

Aim the flashlight so that you can see the small screw, called a potentiometer, that is inside of the power button case. Adjust the screw a slight amount counterclockwise using the jeweler's screwdriver to increase the laser's intensity.

Step 4

Apply a small amount of bonding glue to the rim of the power button and insert the button back into the casing. Let the bonding glue set.

Step 5

Replace the batteries and screw the battery cap back on.

Tips & Warnings

  • Do not turn the potentiometer all the way up as this can cause the pot to stop working completely.
  • Never point a laser at a person's face or shine it into your eyes or anybody's eyes.

References & Resources