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Today it is commonly used to study electric and magnetic fields in thin films, as magnetic and electric fields can shift the phase of the interfering wave passing through the sample. [45] The principle of electron holography can also be applied to interference lithography. [46] Acoustic holography enables sound maps of an object to be generated ...
Zebra Imaging was a company that developed 3D digital holographic images, hologram imagers and interactive 3D displays for government [1] and commercial uses. The company offers digital holograms that are autostereoscopic (no glasses or goggles required), full-parallax (viewing of the image from viewpoints above and below as well as from side to side) and in monochrome or full-color.
These systems have been used to produce holograms of live people. A holographic portrait of Dennis Gabor was produced in 1971 using a pulsed ruby laser. [1]: Figure 4.5, p44 [8] Thus, the laser power, recording medium sensitivity, recording time and mechanical and thermal stability requirements are all interlinked.
The term "computer-generated holography" has become used to denote the whole process chain of synthetically preparing holographic light wavefronts suitable for observation. [ 2 ] [ 3 ] If holographic data of existing objects is generated optically and recorded and processed digitally, and subsequently displayed, this is termed CGH as well.
Much of Altadena’s rich architectural history was destroyed in hours. English Revivals. Spanish Colonials. California bungalows. Janes Cottages.
Digital holography is the acquisition and processing of holograms with a digital sensor array, [1] [2] typically a CCD camera or a similar device. Image rendering, or reconstruction of object data is performed numerically from digitized interferograms.
There are 105 sites on the National Register of Historic Places listings in South Side Chicago — of more than 350 total listings within the City of Chicago, in Cook County, Illinois. The South Side district is defined for this article as the area west of Lake Michigan , and south of 26th Street and the Chicago Sanitary and Ship Canal , to the ...
'Home Alone' house for sale for $5.25 million in Chicago suburb.