Photography without a camera!
Two of my early efforts are shown below. The first is a hologram of a Steky IIIb subminiature camera, and the second is a hologram of a Mycro submini. In each case, in order to show these on the web, I have photographed the hologram twice, once from a "left-eye" point of view, and once from a "right-eye" point of view. Since the hologram contains the 3D information just like the real thing, moving the camera, like moving your head, allows you to see around and behind the 3D image! To see these in 3D, relax your eyes until you see the left image with your left eye and the right image with your right eye. This is known as "free-fusing" the images.
I made these with a 10mW HeNe laser on my pool table in the basement. If there's interest, I'll show more as I improve. (The actual holograms look much nicer than these digital photos.) email me at email@example.com
Hologram of a Steky IIIb subminiateure
Hologram of a Mycro subminiature camera
I was amazed at how easy it was to begin making holograms. The laser, film, and chemistry are all easy to come by, although finding an economical source of lasers, power supplies, and film took a bit of research. However, good results can be acheived almost immediately! (The hologram of the Steky, above, was only my second attempt!)
The film I use, Red Star Ultra, is sensitive to the red light of a helium-neon laser, but not to low levels of green or blue light. This means that all steps can be carried out under the dim illumination of an inexpensive blue "party" bulb.
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