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  2. Z-scan technique - Wikipedia

    en.wikipedia.org/wiki/Z-scan_technique

    In nonlinear optics z-scan technique is used to measure the non-linear index n 2 (Kerr nonlinearity) and the non-linear absorption coefficient Δα via the "closed" and "open" methods, respectively. As nonlinear absorption can affect the measurement of the non-linear index, the open method is typically used in conjunction with the closed method ...

  3. Duplex scanning - Wikipedia

    en.wikipedia.org/wiki/Duplex_scanning

    Duplex scanning is a feature of some computer scanners, and multifunction printers (MFPs) that support duplex printing. A duplex scanner can automatically scan a sheet of paper on both sides. Scanners without this capability can only scan both sides of a sheet of paper by reinserting it manually the other way up.

  4. Laser scanning - Wikipedia

    en.wikipedia.org/wiki/Laser_scanning

    Laser scanning is the controlled deflection of laser beams, visible or invisible. [1] Scanned laser beams are used in some 3-D printers, in rapid prototyping, in machines for material processing, in laser engraving machines, in ophthalmological laser systems for the treatment of presbyopia, in confocal microscopy, in laser printers, in laser shows, in Laser TV, and in barcode scanners.

  5. Progressive scan - Wikipedia

    en.wikipedia.org/wiki/Progressive_scan

    Progressive scan is used for scanning and storing film-based material on DVDs, for example, as 480p24 or 576p25 formats. Progressive scan was included in the Grand Alliance's technical standard for HDTV in the early 1990s. It was agreed that all film transmission by HDTV would be broadcast with progressive scan in the United States. [4]

  6. Canon EF 35-135mm lens - Wikipedia

    en.wikipedia.org/wiki/Canon_EF_35-135mm_lens

    The Canon EF 35-135mm f / 3.5-4.5 is an EF mount wide-to-normal zoom lens which was introduced in 1988. [1] In 1990 Canon announced the EF 35-135mm f / 4-5.6 USM lens, featuring a different optical and physical design, and a ring USM AF motor. The new lens replaced the original and was billed as an ideal compact travel lens.

  7. Tell Me a Story (TV series) - Wikipedia

    en.wikipedia.org/wiki/Tell_Me_a_Story_(TV_series)

    Tell Me a Story takes "the world's most beloved fairy tales and reimagines them as a dark and twisted psychological thriller. Set in modern-day New York City, the first season of this serialized drama interweaves The Three Little Pigs, Little Red Riding Hood and Hansel and Gretel into an epic and subversive tale of love, loss, greed, revenge, and murder."