Holograph Examples The PFG-01 holographic film that I’ve used in the examples below is ideally suited to making transmission holograms but it can also be used to make reflection holograms. Reflection Holograms One of the [more…]
A Simple Dual Beam Setup We’ve got our film, developer and a safety lamp. Now we need a holographic camera. Well, not exactly a camera. You can’t take a picture of rolling hills or a [more…]
A Holographic Camera Standard photography uses a lens system to focus an image onto a film or an electronic sensor. If you recall from part one, Dennis Gabor had a problem with his electron microscope’s [more…]
Introduction To the Looking-Glass world it was Alice that said, “I’ve a sceptre in hand, I’ve a crown on my head. Let the Looking-Glass creatures, whatever they be Come dine with the Red Queen, the [more…]
Above photo: My ruby laser with a ‘mirror alignment laser’ just off to the right hand side of the photo. A small amount of smoke in the air makes the alignment laser-beam visible. In the [more…]
Introduction I have always been interested in image processing since my Computer Science and subsequent employment in document management systems. For my final year project, I failed in the ultimate aim simply because back then [more…]
Melting a hole through steel: The above image needs a little explanation! The Doc messed up his camera settings and under exposed the image. So I loaded it into Gimp and played with the curves [more…]
The Doc’s ruby laser focused onto a lighter flint. The flint has been glued to the end of a match stick. The ‘explosion’ measures approximately 4 inches diameter. Interesting things to note are the ‘candy [more…]
More information on laser speckle can be found here: Speckle pattern A Mirror Alignment Tool The most important part of constructing a ruby laser (or any laser with external mirrors) are getting the mirrors alligned [more…]
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