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The resulting image is a convolution of the ideal image with the Airy diffraction pattern due to diffraction from the iris aperture or due to the finite size of the lens. This leads to the finite resolution of a lens system described above.
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LaserSoft Imaging became an early adopter of color- and image processing on the Macintosh. It was the first company to distribute video digitizers, such as Pixelogic's 'ProViz' and Truvel's 'TrueScan', the first professional color scanner for the Macintosh , which was first shown at Hannover trade fair CeBIT in 1988, to which LaserSoft Imaging ...
The International Laser Display Association (ILDA) is the worldwide non-profit trade association and is dedicated to advancing the use of laser displays in art, entertainment and education. It was founded in August 1986. ILDA sponsors an annual conference and the annual ILDA Awards for artistic and technical achievement in laser shows and displays.
A coherent perfect absorber (CPA), or anti-laser, is a device which absorbs coherent waves, such as coherent light waves, and converts them into some form of internal energy, e.g. heat or electrical energy. [1] [2] It is the time-reversed counterpart of a laser. [3]
The LA-based post house Laser Edit [b] also had an in-house system using recordable random-access LaserDiscs. The most popular non-linear system in the 1980s was Ediflex, [16] which used a bank of U-matic and VHS VCRs for offline editing. Ediflex was introduced in 1983 on the Universal series "Still the Beaver".
Some of the widely used laser sources are Nd:YAG laser, dye lasers, excimer lasers, and ion lasers. The light from the laser (usually a beam) is passed through a set of lenses and/or mirrors to form a sheet, which is then used to illuminate the medium. This medium is either made up of fluorescent material or can be seeded with a fluorescent ...
A distributed-feedback laser (DFB) is a type of laser diode, quantum-cascade laser or optical-fiber laser where the active region of the device contains a periodically structured element or diffraction grating. The structure builds a one-dimensional interference grating (Bragg scattering), and the grating provides optical feedback for the