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Product Announcements
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Custom Prototypes and Production Quantities
JML Optical Industries, LLC FOCtek Mirrors Foctek Photonics, Inc. IPL Products Foctek Photonics, Inc. Nightvision Filters SCHOTT North America, Inc. - Defense Vari-focal lens (manual/auto iris) Foctek Photonics, Inc. FOCtek Achromatic Lenses Foctek Photonics, Inc. |
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Radian - Wikipedia, the free encyclopedia An angle of 1 radian results in an arc with a length equal to the radius of the circle. |
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Longitude - Wikipedia, the free encyclopedia Lines of longitude appear vertical with varying curvature in this projection, but are actually halves of great ellipses, with identical radii at a |
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BLACK HOLES by Ted Bunn In fact, the Schwarzschild radius (which means the radius of the horizon) and the mass are directly proportional to one another: if one black hole |
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Improved Long Radius of Curvature Measurement System for FEL... Improved Long Radius of Curvature Measurement System for FEL Mirrors |
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The digital device or measurement of deflection arrow and... The digital device or measurement of deflection arrow and curvature radius of the elastic core at the longitudinal bend |
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Substrate Curvature: Silicon Wafers with Deposited Dielectrics 5.3 Radius of Curvature Of Coated Wafers 4.0 Apparatus or Material 5.3.1 The coated wafers should be conditioned at 23 ? 2?C and 50 ? 5% relative |
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Imagine the Universe! Dictionary angular momentum A quantity obtained by multiplying the mass of an orbiting body by its velocity and the radius of its orbit. |
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Radius of curvature measurement of spherical smooth surfaces... Radius of curvature measurement of spherical smooth surfaces by multiple-beam interferometry in reflection |
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ASTM E408 - 71(2008) Standard Test Methods for Total Normal... These errors can be minimized by using calibrating standards that have the same radius of curvature as the test surface. See ASTM International Information |
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Trioptics - Optical Measurement, Autocollimators and visual... i.e. effective focal length (EFL), modulation transfer function (MTF), back focal length (BFL), radius of curvature and flange focal length (FFL). See TRIOPTICS GmbH Information |