The idea for this project came from last year's article entitled "Jack-O-Laser of Doom" which involved creating a Jack-O-Lantern with a Laser Vortex projecting from the mouth and eyes. Our pumpkin was very similar, but instead we used a couple of our laser accessories to create a unique Jack-O-Lantern. This project would be great for parties and dance clubs, as well as your front porch.
The equipment you will need will be a laser with continuous operation, diffraction gratings, a pumpkin, and something that will create fog or smoke.
Step 1: Carve a Jack-O-Lantern
Step 2: Attach a Diffraction Grating to your Laser.
Attach a Diffraction Grating to each laser to create a scattered beam effect; the more beams, the better the effect. We used electrical tape to hold the Diffraction Grating holder to the laser. Diffraction Gratings that split a single laser beam into many beams including the Matrix, the Double Matrix and the Mega Matrix will be the best for this project, and they are available from Novalasers.com in the Optics section.