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Optical holography [1] is a technique which enables an optical wavefront to be recorded and later re-constructed. Holography is best known as a method of generating three-dimensional images but it also has a wide range of other applications .
Two photographs of a single hologram taken from different viewpoints. Holography is a technique that enables a wavefront to be recorded and later reconstructed. It is best known as a method of generating three-dimensional images, and has a wide range of other uses, including data storage, microscopy, and interferometry.
The origins of the modern university system in Sri Lanka dates back to 1921 when a University college, the Ceylon University College was established at the former premises of Royal College Colombo, and was affiliated with the University of London. The college provided courses of study in art and humanities, science and medicine prepared ...
The University of Sri Lanka was a public university in Sri Lanka. Established in 1972 by amalgamating the four existing universities, it was the only university in Sri Lanka from 1972 until 1978. The university was based at six campuses in Colombo, Peradeniya, Sri Jayewardenepura, Kelaniya, Moratuwa and Jaffna.
Computer-generated holography (CGH) is a technique that uses computer algorithms to generate holograms. It involves generating holographic interference patterns . A computer-generated hologram can be displayed on a dynamic holographic display, or it can be printed onto a mask or film using lithography. [ 1 ]
The IUSF is the organization that is given leadership to whole university students in Sri Lanka. [10] It is the largest student organization in Sri Lanka to date. It represents the voice of student councils and action committees in 15 higher education institutes including all major universities and technical colleges in Sri Lanka. [11]
Early concepts of the holographic optical element can be traced back to the mid-1900s, coinciding closely with the start of holography coined by Dennis Gabor. The application of 3D visualization and displays is ultimately the end goal of the HOE; however, the cost and complexity of the device has hindered the rapid development toward full 3D ...
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. Digital holography offers a means of measuring optical phase data and typically delivers ...