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laser aperture

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  • laser aperture — lazerio apertūra statusas T sritis radioelektronika atitikmenys: angl. laser aperture vok. Laserapertur, f rus. апертура лазера, f pranc. ouverture du laser, f …   Radioelektronikos terminų žodynas

  • laser — /lay zeuhr/, n. Physics. a device that produces a nearly parallel, nearly monochromatic, and coherent beam of light by exciting atoms to a higher energy level and causing them to radiate their energy in phase. Also called optical maser. [1955 60; …   Universalium

  • Laser — For other uses, see Laser (disambiguation). United States Air Force laser experiment …   Wikipedia

  • Laser beam profiler — A laser beam profiler captures, displays, and records the spatial intensity profile of a laser beam at a particular plane transverse to the beam propagation path. Since there are many types of lasers ultraviolet, visible, infrared, continuous… …   Wikipedia

  • Aperture card — An aperture card is a type of punched card with a cut out window into which a chip of microfilm is mounted. Such a card is used for archiving or for making multiple inexpensive copies of a document for ease of distribution. The card is typically… …   Wikipedia

  • Laser safety — A typical laser warning symbol. Laser safety is safe design, use and implementation of lasers to minimize the risk of laser accidents, especially those involving eye injuries. Since even relatively small amounts of laser light can lead to… …   Wikipedia

  • ouverture du laser — lazerio apertūra statusas T sritis radioelektronika atitikmenys: angl. laser aperture vok. Laserapertur, f rus. апертура лазера, f pranc. ouverture du laser, f …   Radioelektronikos terminų žodynas

  • Numerical aperture — The numerical aperture with respect to a point P depends on the half angle θ of the maximum cone of light that can enter or exit the lens. In optics, the numerical aperture (NA) of an optical system is a dimensionless number that characterizes… …   Wikipedia

  • Confocal laser scanning microscopy — (CLSM or LSCM) is a technique for obtaining high resolution optical images with depth selectivity.[1] The key feature of confocal microscopy is its ability to acquire in focus images from selected depths, a process known as optical sectioning.… …   Wikipedia

  • Vertical-cavity surface-emitting laser — The vertical cavity surface emitting laser (VCSEL; [v ɪxl] ) is a type of semiconductor laser diode with laser beam emission perpendicular from the top surface, contrary to conventional edge emitting semiconductor lasers (also in plane lasers)… …   Wikipedia

  • Synthetic aperture radar — (SAR) is a form of radar in which the highly directional (and thus very large) rotating antenna used by conventional radar is replaced with many low directivity small stationary antenna positions scattered over some area near or around the target …   Wikipedia

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