Tag Archive for 'Article'

A new panchromatic silver halide emulsion for recording color holograms

Manuel UlibarreñaManuel Ulibarreña
m.ulibarrena@umh.es

About the author
Manuel received his PhD from the Universidad Miguel Hernandez in Elche, Spain, in 2003. For his project he studied the characteristics of the ultrafine BB640 emulsion in relation to holography. He is currently associate professor of non-destructive testing in the same university. He has been involved in holographic research since 1985, and his current area of interest remains silver halide holographic recording materials.

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Holographic Visions: A History of New Science

Sean F. Johnston, University of Glasgow, Oxford University Press 2006
518pp with numerous b&w illustrations, £75 (from £50.26 on Amazon)
ISBN 0-19-857122-4 978-0-19-857122-3

jonathanrossReviewed by Jonathan Ross
www.jrholocollection.com

About the Reviewer
Jonathan Ross was involved with commercial holography from 1978–1990 with his company SEE 3. He has compiled one of the most extensive collections of the art and applications of holography, (www.jrholocollection.com) and is a sucker for 3D images of all sorts. He exhibits his collection in public spaces whenever possible and stages regular holography shows, along with other forms of contemporary art, at his Gallery 286 in London, England.

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Erratum: Practical Holography – third edition

Author: Graham Saxby

There is an omission in the formula at the top of page 471. After the ferric sulphate line, add a new line as follows: ‘sodium hydrogen sulfate, crystals…30 g’. Graham offers his apologies to any holographers whose bleach stage took three hours as a result of this omission.

The impossible holographic object

blyth-photoJeff Blyth
jeff@biotech.cam.ac.uk

About the author
After graduating in 1973 in Applied Chemistry he worked in a company with dichromated gelatin, unrelated to holography. In ’77, he was amazed to see a holographic pendant made using the very material he was researching. His life ‘changed for ever’. He subsequently worked on photopolymer materials for Ilford, which became the subject for an MPhil at Wolverhampton Polytechnic. Since ’91 he has been involved in ‘blue sky’ research at the Institute of Biotechnology in Cambridge, UK. Jeff is the recipient of the Royal Photographic Society’s Saxby award for 2003
(http://www.holography.co.uk/events/saxbyaward/jeffblyth/jeff.htm).

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SPIE Practical Holography Conference 2004*

Rebecca DeemRebecca Deem
redeem75@yahoo.com

About the author
Rebecca first saw holograms at an art gallery in 1970 while completing an Art supervision degree. In 1988, she received the Shearwater Foundation Art Holography Award. In 1995 with partner Fred Unterseher, she co-founded Zone Holografix Studios, an art and teaching studio with a pulse laser lab. She continues to exhibit artwork, teach and write for electronic and print publications.

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Some uses for everyday items in holography

John Pecora
holograms3d@yahoo.com

About the author
John Pecora is a computer specialist and a certified Microsoft Systems Engineer. He made his first holograms using a sandbox holography kit in 1980. He has worked for holographic companies making photoresist holograms for embossing. He is now an amateur holographer fabricating his own DCG emulsions. He has always liked reverse engineering, and enjoys taking an idea from concept to final product.

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Practical Holography, 3rd Edition, Graham Saxby, IOP, 482 pages, ISBN 0-7503-0912-1

harrison-photoMichael Harrison
www.dragonseye.com/Holography

About the author
Michael was born on an insignificant little blue-green planet orbiting an unregarded yellow sun out in the unfashionable backwaters of the western spiral arm of the galaxy and is a computer programmer currently working in the games industry. He has been interested in holography and has been making holograms since 1984, with a few long breaks for Real Life. He hopes to soon take over the world by combining his experience in 3D graphics with holography.

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HoloPov: A previsualization program for holographers (version 0.5)

Kaveh BazarganKaveh Bazargan
kaveh@holographer.org

About the author
Kaveh’s interest began with seeing the Royal Academy of Arts exhibition of holograms in London in 1976. He was studying physics at Imperial College London, and continued to complete a PhD in ‘display holography’. His passion remains the quest to achieve ultimate realism with holography.

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Visual perception and the holographic image

Michael DaltonMichael Dalton
mdalton@mac.com

About the author
Michael is a physicist who became interested in holography around 1983. He was co-founder and Technical Business Director of Voxel—a company which developed and patented the concept of multiple exposure Digital Holograms (Voxgrams) for medical applications. He was awarded US patent number 6123733 for the simulation of Voxgrams on desktop computers. He has a strong interest in visual perception.

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The development of direct-write digital holography* – Part 2

Following just a few simple rules anyone can shoot a parallax sequence on film or video that can be directly converted into a hologram image. The first consideration is that the motion must be going in the correct direction in order to yield positive stereoscopic parallax in the hologram. The reason for this is very simple: one’s left eye must be presented with the left image and the right eye must see an image in the sequence that is to the right of the first image.

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