A laser pen displays a beam of coherent light. The intensity of a commercially sold red laser pointer is crippled by the manufacturer. You can modify the intensity of the red laser pen to make the beam more intense. The procedure is involves cutting into the red laser pen but does not require any special tools or electronic skill. The red laser pen will display a more intense beam, although it will still be within the confines for public use as defined by law.
- Skill level:
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Things you need
- Soft cloth
- Portable drill
- 1/2-inch drill bit
- Flat-edged jeweller's screwdriver
- Duct tape
Unscrew the red laser pen’s battery cap. Remove the batteries from the battery compartment. Place the batteries and the battery cap aside. Unscrew the reflector if it is removable and place it aside.
Place a soft cloth on a table to protect the surface. Place the pen on the soft cloth. Rotate the pen so that the power switch, slide or push button is facing up.
Drill through the pen’s outer casing just in front of the power switch with the portable drill. Turn on the flashlight. Aim the flashlight’s beam at the hole in the casing so that you can see the screw inside.
Rotate the screw a half turn clockwise with the flat-edged jeweller’s screwdriver to increase the intensity of the laser beam. Turn off the flashlight.
Place a strip of duct tape over the hole on the pen’s casing. Screw the reflector back on. Reinsert the batteries. Screw the battery cap back on.
Tips and warnings
- Green laser pens are more powerful than red laser pens but can be modified in exactly the same fashion.
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