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Crimson Trace is an American manufacturer of laser sight equipment, chiefly but not exclusively for pistols. The firm specializes in in-line upper-grip-mounted red and green laser units, trigger-guard mounted sights, and training units. Crimson Trace partners with manufacturers of firearms in product releases, with many models shipping with ...
The Gaussian function has a 1/e 2 diameter (2w as used in the text) about 1.7 times the FWHM.. At a position z along the beam (measured from the focus), the spot size parameter w is given by a hyperbolic relation: [1] = + (), where [1] = is called the Rayleigh range as further discussed below, and is the refractive index of the medium.
Retrieval of the pulse from its FROG trace is accomplished by using a two-dimensional phase-retrieval algorithm. FROG is currently the standard technique for measuring ultrashort laser pulses replacing an older method called autocorrelation, which only gave a rough estimate for the pulse length. FROG is simply a spectrally resolved ...
An s-plate is a similar technology to a q-plate, using a high-intensity UV laser to permanently etch a birefringent pattern into silica glass with an azimuthal variation in the fast axis with topological charge of s. Unlike a q-plate, which may be wavelength tuned by adjusting the bias voltage on the liquid crystal, an s-plate only works for ...
Laser color television (laser TV), or laser color video display, is a type of television that utilizes two or more individually modulated optical (laser) rays of different colors to produce a combined spot that is scanned and projected across the image plane by a polygon-mirror system or less effectively by optoelectronic means to produce a color-television display.
LightScribe is an optical disc recording technology that was created by the Hewlett-Packard Company.It uses specially coated recordable CD and DVD media to produce laser-etched labels with text or graphics, as opposed to stick-on labels and printable discs.
A laser-guided bomb (LGB) is a guided bomb that uses semi-active laser guidance to strike a designated target with greater accuracy than an unguided bomb. First developed by the United States during the Vietnam War , laser-guided bombs quickly proved their value in precision strikes of difficult point targets.
The LG5/QLU-11 can be equipped with free-floating barrel, a fire-control system with a laser rangefinder, thermal imaging capability, and a ballistic computer that gives it air burst capability. [ 3 ] [ 6 ] The QLU-11 was tested in combat against Somali pirates in the Gulf of Aden by Chinese marines . [ 7 ]
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