Holograms are three-dimensional light images used for information storage and communication.
Races and individuals with access to holographic technology include:
A hologram is a three-dimensional construction that consists of photons, forcefields, and matter that is generated by holo-emitters or similar devices. Simple holograms can be of inanimate objects; more advanced holoprograms can create animated simulacrums of living beings that can interact with real people, and behave as sentient beings.
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The most widespread use of holographic technology in 24th century medicine was the Emergency Medical Hologram, or EMH.
Holographic technology has also been used as a stopgap measure to replace patients' damaged or missing internal organs. This method was first used by the EMH Mark I aboard the USS Voyager in 2371, when passenger Neelix had his lungs removed by Vidiians. (VOY episode: "Phage") Dr. Elizabeth Lense used this same method in 2377, after Crewman Bart Faulwell had his kidney, pancreas and spleen damaged by a projectile. (CoE eBook: Signs from Heaven)
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A hologram is a projected three-dimensional representation of a person or object. It is a highly advanced, experimental technology that was never widely used before the Great War.
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The following is based on Fallout 2 cut content and has not been confirmed by canon sources. |
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The following is based on Fallout: Brotherhood of Steel and has not been confirmed by canon sources. |
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The following is based on Van Buren and has not been confirmed by canon sources. |
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 Alien hologram |
 Calvert's hologram |
Holography is a technological system employed by the UNSC, the Covenant and the Forerunners in a variety of functions - communications, battle and sensor displays, and as decoys. Devices used to project holograms are commonly referred to as Holotanks.
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Holography was invented in 1947 by Hungarian physicist Dennis Gabor (1900–1979), work for which he received the Nobel Prize in physics in 1971. It was made possible by pioneering work in the field of physics by other scientists like Mieczysław Wolfke who resolved technical issues that previously made advancements impossible. The discovery was an unexpected result of research into improving electron microscopes at the British Thomson-Houston Company in Rugby, England. The British Thomson-Houston company filed a patent on 1947-12-17 (and received patent GB685286), but the field did not really advance until the development of the laser in 1960.
The first holograms that recorded 3D objects were made by Yuri Denisyuk in the Soviet Union in 1962; later by Emmett Leith and Juris Upatnieks in University of Michigan, USA in 1962. Advances in photochemical processing techniques, to produce high-quality display holograms were achieved by Nicholas J. Phillips.
Several types of holograms can be made. Transmission holograms, such as those produced by Leith and Upatnieks, are viewed by shining laser light through them and looking at the reconstructed image from the side of the hologram opposite the source. A later refinement, the "rainbow transmission" hologram allows more convenient illumination by white light rather than by lasers or other monochromatic sources. Rainbow holograms are commonly seen today on credit cards as a security feature and on product packaging. These versions of the rainbow transmission hologram are commonly formed as surface relief patterns in a plastic film, and they incorporate a reflective aluminum coating which provides the light from "behind" to reconstruct their imagery.
Another kind of common hologram, the reflection or Denisyuk hologram, is capable of multicolor image reproduction using a white light illumination source on the same side of the hologram as the viewer.
What is generally, and incorrectly, referred to as a hologram in most science fiction, including the Halo series, is actually a Volumetric Display. true holograms are not three-dimensional images. More specifically, Halo "holograms" seem to be of the Static Volume type, creating an actual three-dimensional image rather than creating the illusion of it.[1]
The UNSC uses holographic technology in a variety of ways. Artificial Intelligences, such as Cortana, project holographic representations of themselves for personal communications with humans, with each AI taking a unique appearance of their own choice. The UNSC also uses holograms for communications between individual humans. The commanding officer of one ship may "appear" on another to deliver a message when normally access between the two vessels is restricted. Also, holographic technology is used by the UNSC to project topographical maps for tactical purposes. Many UNSC warships, such as the UNSC Spirit of Fire and the UNSC Say My Name had holographic tables. Humans also use holographic technology to display holographic "photographs", referred to as Holo-Stills. Holographic tape known as "Holo-Tape" is used to display information on the sides of civilian vehicles.[2]
The Covenant's holographic technology is also based primarily on that of the Forerunners, and though superior to UNSC technology it still pales in comparison. Covenant often utilize stationary Holotanks much like the UNSC, but also portable projectors referred to as Holo-Pedestals. The Covenant use holograms for visual displays of space and ground combat, allowing a better general view of the action and better coordination.[3] Holograms are also used as decoys, through devices known as Holo-Drones, able to generate their own shields and weapons to give the illusion of reality. One of these was used by the Heretic Leader before his death at the hands of the Arbiter.[4] The Prophets, in particular, make extensive use of holography in their governance of the Covenant. Religious sermons, such as those by the Prophet of Truth[5] and Prophet of Regret[6], are transmitted holographically, allowing the Prophets to preach from the relative safety of their point of transmission while protected by armed guards.
Though now extinct, the Forerunners were true masters of holography. Their projections were accurate far beyond UNSC or even Covenant capabilities, able to appear as solid and actual objects. Holograms were used on Alpha Halo for a visible representation of the ringworld, and on the Ark for each of the Halo's and for a visual demonstration by 343 Guilty Spark on the Halo Array's capabilities. It is also notable to mention that many of the Forerunner terminals and nodes that can be activated, particularly in Halo 3, as holograms, yet apparently feel solid and can be pressed by the Master Chief. This could just be him passing his hand over the hologram, but in-game he appears to actually touch them. If this is so, then the Forerunner were also capable of producing "Hard Light" a type material made of photons so compact that they form a solid object. Either way, they are truly magnificent feats of engineering.
The Forerunner ruins underneath CASTLE Base, despite aeons of neglect, were still capable of projecting a myriad of environments from hundreds of worlds, likely a representation of former Forerunner colonies.
 A holographic representation of New Mombasa in a UNSC holo-table. |
 A Covenant Holo-Drone, used to project holographic illusions, or to communicate over distance. |
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Projector |
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A hologram was a projected three-dimensional representation of a person or object, normally used in communication or entertainment.
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Holograms were used mostly in telecommunications as an alternative to screens. A holocamera of any recorder or receiver would acquire the dimensions, form and movements of an object by means of ray scanning. This vision then could be transmitted simultaneously somewhere else, or stored and reproduced on a holoprojector at a later time. Projected holographic images were visible from all sides, although matterless. Holograms were initially monochrome with a cyan hue, though following the Clone Wars, an additional layer of color was added to some holograms. In full duplex telecommunications, users could see each other's holograms, as if they were in the same room talking to each other, although not always in relative proportion.
Standard holograms had a lesser quality than screens, since they were mainly monochrome and often flickered. The luxury versions could produce incredibly life-like full-color images, and were mainly used for entertainment purposes, such as at the Holographic Zoo of Extinct Animals, or Hologram Fun World, though they could also be used for disguises and other deceptions.
Portable holovids could display a miniature hologram. Projectors were also implemented in many starship communication systems, both for use by pilots and passengers. Some droids could also record and display holograms (eg. R2-D2).
Members of the Jedi Council could attend Council meetings via hologram if absent from Coruscant or otherwise unable to be there physically. Their image would project on their formal seat and they would participate as if they were present.
Holograms were also frequently used in scientific projects as schematics. Likewise, they could be used in military operations and briefings. During the Battle of Naboo, R2-D2 projected a hologram of the Theed Royal Palace before organizing the assault. Prior to the Battle of Endor, a hologram of Death Star II illustrated the attack plan to the Rebellion pilots.
Holograms were also used in targeting practice. For instance, the Republic clone army used holograms of B1 battle droids and B2 super battle droids, as well as holograms of Anakin Skywalker and Obi-Wan Kenobi, to train their clone sharpshooters and improve their ability to distinguish between hostile and friendly targets.[1]
Someone who forged holograms and passed them off as the real thing was known as a holo faker.[2]
Holograms could be transmitted directly, or they could be stored in various storage devices (such as holodiscs)[3][4] and in astromech units or other types of droids. The storage device would be hooked up with a holoprojector in order for the stored image to be accessed. Many droids had built-in holoprojectors.
Hologram storage devices could be encrypted in case their contents were deemed sensitive or classified. Morgan Katarn recorded and encrypted a hologram for his son revealing his Jedi heritage. The hologram was stored on a holodisc and could only be accessed by the Katarn family droid WeeGee. However, Jan Ors and Xiong Wong (with the help of Wires) managed to partially crack the hologram and display it, albeit in a very bad quality, to Mon Mothma, Leia Organa and Luke Skywalker.[4]
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Star Wars Customizable Card Game – Hoth Limited (Card: Image Of The Dark Lord)
Hapes: Ladies First on Wizards.com (article) Aargau: For All Your Banking Needs on Wizards.com (article)
Star Wars Galaxies Trading Card Game – Champions of the Force (Card: Death Star Hologram) Star Wars Galaxies Trading Card Game – Agents of Deception (Card: Corellian Corvette Hologram)Hologram is a projected three-dimensional representation of a person or object, commonly used as decorative art.
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 Jellyfish Hologram found as loot from Trandoshans in the Avatar Platform |
 HK-47 Hologram |
 Imperial Insignia Hologram |
 Mining Corporation Executive Hologram - A Moral Choice, Executive side |
 Mining Corporation Miner Hologram - A Moral Choice, Miners side |
 Rebel Insignia Hologram |
 Star Destroyer Hologram |
 TIE Fighter Hologram |
 X-Wing Hologram |
 YT-1300 Hologram |
 Darth Vader Hologram |
 Death Star Hologram |
 Imperial Guard Hologram |
 Jawa Hologram |
 Jedi Starfighter Hologram |
 Luke Skywalker Hologram |
 Sand Crawler Hologram |
 Princess Leia Hologram |
 Yoda Hologram |
 Corellian Corvette Hologram |
 Lambda Shuttle Hologram |
 Hologram of Jedi Knight Skywalker's Cybernetic Arm |
 EF76 Nebulon-B |
 Customizable EF76 Nebulon-B |
Hologram on WookieepediaA hologram is an artificially created image using photons arranged in a manner to better display information...or trick people, depending on the situation at hand.
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The Autobot Hound often made use of holograms. While guarding Ravage with Mirage, Hound came up with the idea to use a hologram to trick the Decepticons and lead them into an ambush. Optimus Prime agreed, and Ravage was allowed to escape, believing he had learned of a military base with large amounts of rocket fuel. Megatron, however, saw through Ravage's escape, sending the Decepticons to the real base, while he went with a group of shoddy Decepticons to rub it in Prime's face. The hologram of the base worked just fine, though... More Than Meets the Eye, Part 3
Shockwave was using a holographic projector to train with Sentinel drones when the Combaticons arrived and attacked them. Later, Shockwave and Starscream used the holographic projector to create various images of hostiles. This successfully distracted the Combaticons for some time, until Swindle discovered that their attackers were holograms. The Combaticons aren't really smart. That's why they let Onslaught do all the thinking. The Revenge of Bruticus
Recognizing that the Autobots' lack of drivers would attract attention, they used Holomatter avatars to avoid detection. However, security measures can be devised specifically to detect holomatter, showing that organizations such as the Machination already anticipated Cybertronian interference.
By the Beast Era, holograms were in more wide scale use, including such applications as entertainment and military use. The Axalon and the Darksyde both made extensive use of hologram technology to run simulations and observe events in real time. On Cybertron, there were holo-chips which allowed Transformers to interface with them and see things virtually—some of which were not always virtuous, if you get our meaning. Sparkwar Part 2: The Search.
The Autobots used holographic drivers while on Earth. At one point, the US President's image is used by Six-Speed in order to avoid trouble with the police. Collapse The holograms are translucent, but human viewers don't seem to notice.
After introducing the Autobots, Optimus Prime showed Sam Witwicky and Mikaela Banes a hologram of the devastation Cybertron suffered during the war with Megatron. The Decepticons also made use of holograms, using a single, mustached male as a display to avoid attracting attention. Oddly enough, the Decepticon holograms appear to have solid machinery underneath them, but when activated they appear to be a projection with nothing under the surface.
In Transformers Animated, Prowl will sometimes project a hologram of a mustached police officer riding him while in vehicle mode, as to remain conspicuous. Nothing says "inconspicuous" like a motorcycle without a rider. He's also fond of creating false images of himself, the better to ambush enemies who attack the wrong Prowl.
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