Step 3: Final step
Now thread the fiber with the tip through the pencil. to finish the project put a small drop on the tip and glue it to its case. assemble the pencil and you are ready to run the diode !
Now you can burn everything :) Don't try it on your skin the laser will burn it immediately !
"NEVER LOOK DIRECTLY AT THE LASER BEAM AND PROTECT YOUR EYES WITH PROPER LASER GLASSES ! LOOKING AT THE BEAM WILL BLIND YOU INSTANTLY !!! '
The diode emits 830nm +/- 15nm laser radiation so you should use glasses that filter 750nm to 900nm radiation for your protection .