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Spatial filtering is commonly used to "clean up" the output of lasers, removing aberrations in the beam due to imperfect, dirty, or damaged optics, or due to variations in the laser gain medium itself. This filtering can be applied to transmit a pure transverse mode from a multimode laser while blocking other modes emitted from the optical ...
The filter wheel can be lowered out of the lens' path for non-3D material. [1] It has been noted that an earlier version of the spinning polarized filter malfunctioned, but the problem has been addressed with an updated replacement filter which was supplied to all theaters using the system. [ 2 ]
Caused by a foreign body, dust, sand, or grit trapped under the lens. Corneal edema Caused by decreased oxygen delivery to the tissue compressed by the lens. Usually resolved after the removal of the lenses. Discomfort upon lens removal may be seen. Neovascularization New blood vessels may form in the iris region and the limbus. This may impair ...
Kerr-induced self-focusing was first predicted in the 1960s [4] [5] [6] and experimentally verified by studying the interaction of ruby lasers with glasses and liquids. [7] [8] Its origin lies in the optical Kerr effect, a non-linear process which arises in media exposed to intense electromagnetic radiation, and which produces a variation of the refractive index as described by the formula ...
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3. Chest Press. What it targets: Pecs, shoulders, triceps. Why it rocks: If you’re working toward improving your pushup, this move will help strengthen the major muscles needed to get there. How to:
In 2019, Ophir expanded its family of cooled MWIR long range lenses, adding 900mm and 1350mm FLs, for use in aviation and observation systems. [7] In January 2020, Ophir's SupIR 50-1350mm f/5.5, an MWIR long range lens for thermal imaging cameras, was named a 2020 SPIE's PRISM Awards finalist in the category of Safety and Security. [8]
Horvath then led the team down the field, and ran the final yard to get another touchdown, leading 28-13. With seven minutes left in the game, the Navy defense pulled off another wild interception.