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Product Categories for rotman lens
Fresnel Lenses -
(33 companies)
Fresnel lenses resemble a planoconvex or planoconcave lens that is cut into narrow rings and flattened. If the steps are narrow, the surface of each step is generally made conical and not spherical
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Spherical Lenses -
(191 companies)
Spherical lenses, also known as singlets, are transparent optical components consisting of one or more pieces of optical glass with surfaces so curved that they serve to converge or diverge the transmitted rays from an object, thus forming a real or virtual image of that object. This area includes micro spherical lenses as well.
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Optical Lens Assemblies -
(166 companies)
Optical lens assemblies are composed of a number of lenses mounted for a particular imaging function. These can include objectives, collimators, gauging lenses, etc
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Video Camera Lenses -
(174 companies)
Video camera lenses attach to video cameras for use in machine vision, quality monitoring, security, and remote monitoring for industrial and commercial operations. This search form does not cover consumer video camera lenses.
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Lens Holders -
(11 companies)
Lens holders are used to stabilize and maintain the position of all the optical components of a lens assembly
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Optical Lenses -
(329 companies)
Optical lenses are transparent components made from optical-quality materials and curved to converge or diverge transmitted rays from an object. These rays then form a real or virtual image of the object. This area includes micro lenses.
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Optical Manufacturing Services -
(158 companies)
Optical manufacturing services design, fabricate, finish and test optical components and optical elements.
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Gradient Index Lenses -
(11 companies)
Gradient index (GRIN) lenses focus light through a precisely controlled radial variation of the lens material's index of refraction from the optical axis to the edge of the lens
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LED Mounts and Lenses -
(33 companies)
LED mounts and lenses are used to mount LEDs and shape or transfer light output. Other components in this area include LED light pipes, headers, interconnects, and assemblies.
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Cylindrical Lenses -
(102 companies)
Cylindrical lens have at least one surface that is formed in the shape of a cylinder. Cylindrical lenses are used to correct astigmatism in the eye, and, in rangefinders, to produce astigmatism, stretching a point of light into a line. This area includes micro cylindrical lenses as well
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Magnifiers -
(105 companies)
Magnifiers are inspection instruments that are used to magnify a product or part detail via a lens system
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Optical and Optoelectronic Design Services -
(45 companies)
Optical and optoelectronic design services assist with the initial conception and design of an optical or optoelectronic device or assembly.
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Achromats -
(58 companies)
Achromats consist of two or more elements, usually of crown and flint glass, that have been corrected for chromatic aberration with respect to two selected wavelengths. They are also known as achromatic lenses. This area includes micro achromats as well.
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Projectors -
(195 companies)
Projectors receive data from a computer or video source and project this data onto a screen via internal light sources, power sources and converters.
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Interferometers -
(91 companies)
Interferometers measure distance in terms of wavelength and determine the wavelengths of light sources.
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Engineering Web: rotman lens
1 - 10 of 5,273
Rotman Lens Designer
14 Feb 2008 5:10 Rotman Lens Designer. i have the formule and the design parameters on a mathcad file.i mean i have designed the lens on mathcad.let me know if u want it.am looking ahead for someone ...
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Rotman lens design issues
... Rausch and Peterson, 1992; 1997). The paper presents the lens performance of various designs evaluated with the models or by experimentation.. Keywords: Rotman lens design lens focal ports lens array ...
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Dielectric slab Rotman lens
The proposed lens can be described as a dielectric slab fed by slot lines. The new form is expected to show lower loss and lower mutual coupling than the conventional Rotman lenses at higher frequency ...
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Characterization of the dispersion of a Rotman lens
Item Abstract: The dispersion of a Rotman lens is quantified by the distortion that a particular Rotman lens would introduce into various pulses. The lens is characterized by broadband measurement of ...
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Piezoelectric transducer controlled multiple beam phased array using microstrip ...
... Rotman lens and multi-line phase shifter controlled by a piezoelectric transducer (PET) at Ka-band. A microstrip Rotman lens with five beam ports and nine array ports is used as a feed for a multiple ...
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A Rotman lens fed ridge-element multibeam array demonstrator
The centre 28 columns are connected to the Rotman Lens via semi-rigid phased matched cables. The planar lens has 28 array ports and 18 beam ports. The beams can point in the fixed direction and 18 ...
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Rotman Lens Offers Inexpensive, Electronically Scanned Antenna
Dr. Otto Rausch adjusts the Rotman Lens. Variations of it could be used for many military and civilian applications. The Georgia Tech prototype is believed to be the first Rotman Lens to operate at a ...
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A Novel Rotman Lens in SIW Technology
... LENS To guarantee a correct operation of the lens, multiple reflections in the TEM region must be avoided. In microstrip lens this is obtained by employing dummy ports terminated A SIW Rotman lens ...
See Microwave Journal Information
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Rotman lens recent developments 1994-2005
Item Abstract: Accurate Rotman lens (Rotman, W. and Turner, R.F., 1962) analysis must include computing the full scattering matrix of the lens, including mutual coupling between the feed ports and ...
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Broad band Rotman lens simulations in FDTD
... from the lens were compared with measurements of phase and amplitude taper across the output ports, and for broad band S parameters.. Keywords: broad band Rotman lens FDTD microstrip Rotman lens Ku ...
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