Holography Essay -- Hologram Descriptive Essays

Holography Holography has been around for sometime now, further has become increasingly more popular in recent years. Holograms ar now found in virtually all types of products. These products consist of currencies, checks, air certificates, credit cards, passports, ID cards, computer software, audio/visual tapes and CD ROMs, aircraft, software, electrical/electronic appliances, building materials, food, pharmaceuticals, cosmetics, food, building materials, branded fashion wear, tickets for performances and major sporting events, textbooks, toys, the propensity goes on. Although the possibility of holography was suggested as early as 1947, it could not be exhibit until a pure coherent light source, the laser became available in 1963. The techniques of holograms are also applicable to sound, and bats may navigate by ultrasonic holography. Holographic techniques also have applications in storing dental records, detective work stresses and stains on construction an d retail goods, detecting forged paintings and documents, and producing three-dimensional personify scans.Holography is a method of producing three-dimensional images by means of laser light. Holography uses photographic techniques involving the splitting of two beams apart. So you may be wondering, what exactly is a hologram? The easiest way to describe it is a three dimensional picture. comparable if you had a picture of a better-looking stain, and had a smaller marble behind it you would not be able to look around the big marble to see the little one. Holography though, has very little to do with photography. A photograph is an actual image a snapshot taken in a seconds time to preserve a memory. A hologram contains learning about size, shape, brightness, and contrast of the object being recorded. (www.holoworld.com/holo/quest2) The information is stored in a very microscopic and complex pattern of interference. The interference pattern is do possible by the p roperties of light generated by a LASER. (www.holoworld.com/holo/quest2) In aver to have a hologram be effective and accurate it ineluctably two things 1.Light needs to be highly directional2. genius color If it is done correctly your eyes and brain perceives the object as being in front of you. Basically it is a mind trick. earliest I mentioned holography. This is a method that allow... ...le conversation thoughBIBLIOGRAPHY1. American till Note sees secure future Westchester County Business Journal July 7, 2000 volume 39. regaining 28 pg. 92. AMPLIFIERS HOLOGRAPHY, Poptronics, March 2000, Vol 1 subject area 3, pg103. http//www.enter.net/holostudio/holonews.html4. ELECTRONIC holography, electronic Engineering Times, 12/15/97 Issue 985, pg33. 4. Foilmark Plans $5 trillion expansion for holographic unit. Converting Magazine, March 2000 Volume 18. Issue 3 pg.225. www.holoworld.com6. www.holograms.bc7. Holograms be for Real Machine Design February 25, 1999 Volume 71 Issue 4 pg.488. Hologram Maker Reviews problems in Accounting Khasru, B.Z. Westchester County Business Journal February 8, 1999. Volume 6 pg. 59. HOLOGRAPHY-Technological innovations VOXEL Inc., Computer Graphics World, Nov 96, Vol.19, Issue 11, pg2010. www.members.eunet.at/lexlechz/hologram11. Multipedia, 199512. http//www.oldcoloradocity.com/magictown/13. Optics sedulousness Report Laser Focus World January 2000 Volume 36 Issue 1, pg.6914. Protecting the right image. Modern Power systems. November 1999 Volume 19. Issue 11 pg. 59