Lens Antennas
a microwave antenna used to focus or concentrate waves.
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Lens Antennas
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A lens antenna is a directional antenna that uses a shaped piece of microwave-transparent material to bend and focus microwaves by refraction, as an optical lens does for light.[1] Typically it consists of a small feed antenna such as a patch antenna or horn antenna which radiates radio waves, with a piece of dielectric or composite material in front which functions as a converging lens to collimate the radio waves into a beam.[2] Conversely, in a receiving antenna the lens focuses the incoming radio waves onto the feed antenna, which converts them to electric currents which are delivered to a radio receiver. They can also be fed by an array of feed antennas, called a focal plane array (FPA), to create more complicated radiation patterns.
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Lens Corrected Antennas
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Lens corrected antennas are offered with either a circular or rectangular waveguide interface. While lens corrected antennas with a rectangular waveguide interface can only support linear polarization, models with a circular waveguide interface can support various polarization types including horizontal, vertical, left-handed circular, and right-handed circular polarization for broader applications. These antennas are designed and constructed to offer high efficiency, low side lobes and a rugged mechanical configuration. In general, lens corrected antennas are ideal for achieving gain levels of up to 30 dB with moderate side lobe rejections. Additionally, its dielectric lens provides phase error corrections and serves as a radome to protect from environmental conditions.
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Standard Gain Horn Conical Lens antennas
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Elva’s SLHA series of standard gain horn lens antennas cover the frequency range of 18 to 220 GHz in ten waveguide bands. They can be issued with rectangular or circular waveguide. Lens technology significantly allows decreasing mechanical sizes of horns and correcting beam for the best performance. These horns are ideal solution for measurement gain of other antennas, short range radars and radiometers.
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Millimeter Wave Antennas
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Ducommun millimeter wave products include ACH, ARH and ALC series circular, rectangular gain horn antennas and lens corrected horn antennas for system applications. Low side lobes, ridged configuration and low cost are the main features of these antennas. The standard gain value and half power beamwidth at mid-frequency point of each waveguide band are 23 dBi and 9 degrees, respectively. Other gain values are available as customer order. These antennas cover the frequency range of 18 to 110 GHz.
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Antennas
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Flann offers a wide range of antenna designs including Standard Gain Horns, Sectoral Horns and Lens Horn Antennas. Additionally Flann has a comprehensive custom design capability for bespoke antennas
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FLAT Antennas
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CTG recently developed a new paradigm in linearly-polarized antennas called the Flat Lens Antenna Technology or ‘FLAT’. These antennas have directivities similar to conventional dual-ridge antennas, but in a much lighter and “flatter” package. They can be used as a direct replacement for conventional horns for a wide variety of applications. They are made using composites technology so are also rugged and are ideal for both indoor and out-door applications.
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Radar Level Transmitter
DR3500
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The DR3500, FMCW 80 GHz radar level transmitter offers State-of-the-Art performance for liquids in hygienic applications. The DR3500 has an extensive choice of hygienic process connections including flush mounted PEEK Lens antennas. These are CIP/SIP suitable and this model offers small dead zone and beam angles for small and narrow tanks.
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Gaussian Optics Lens Antennas
SAG-1441544002-06-S1
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Gaussian optics lens antennas are offered with either a circular or rectangular waveguide interface. While Gaussian optics lens antennas with a rectangular waveguide interface can only support linear polarization, models with a circular waveguide interface can support various polarization types including horizontal, vertical, left-handed circular, and right-handed circular polarization for broader applications. Gaussian optics lens antennas are designed and constructed to offer high efficiency, low side lobes and a rugged mechanical configuration. A corrugated feed horn and dielectric lens allow these antennas to form well-defined Gaussian beams. Additionally, the dielectric lens provides phase error corrections and serves as a radome to protect from environmental conditions.
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Spot-Focusing Lens Antennas
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The antenna employs a low loss lens to offer excellent aperture efficiency at 105.96 GHz. The lens antenna is equipped with a standard WR-10 waveguide and UG-387/U-M flange as its input port. It supports linear polarized waveforms.
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Lens Test Equipment
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ZEISS lenses for technical applications are key components in complex production processes (Machine Vision) as well as in optical metrology, medical applications, traffic enforcement, quality assurance, sports and many other applications. Here they prove their outstanding image performance and reliability. Due to the precise manual adjustment of the helical focusing mount our partners will gain much better results than with comparable lenses.
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Machine Vision Lens
FUJINON HF6XA-5M
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This new product, which has an external diameter of 39 mm and a focal length of 6 mm, is the world's smallest* Machine Vision lens which is used for industrial processes such as product inspection and measurement on production lines. HF6XA is a new lens which is designed for compatibility with 2/3" sensors with a pixel pitch of 3.45m (five megapixels). HF6XA is a FUJINON Machine Vision lens designed for compatibility with 2/3" sensors, which has coverage of approximately twice*** the current product, the FUJINON HF8XA, which offers the widest coverage range. In the frequently used environments of customers, the lens is compatible with the ultra-high resolution of 3.45m pixel pitch (equivalent to five megapixels when using a 2/3" sensor) under a large portion of the screen. Furthermore, for a wide range of installations and shooting conditions, the lens boasts "4D High Resolution"*4 performance, mitigating resolution degradation that typically occurs when changing a shooting distance or aperture value and maintaining a high level of even image sharpness across the entire image area at the ultra-high resolution of 4.4m pixel pitch (equivalent to three megapixels when using a 2/3" sensor). Despite being a wide-angle 6mm lens, the lens achieves the world's smallest external diameter of just 39 mm. The lens is ideal for attachment inside compact inspection devices with restricted internal space when wide coverage and consistency is required for reading product codes and serial numbers or for inspecting product shape and appearance.
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Antennas
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The CAES Antennas portfolio encompasses virtually the entire radio frequency spectrum, from the HF Band, where wavelengths dwarf buildings, to the millimeter wave band, where thousandths of an inch make all the difference, and offers unparalleled product diversity with an extensive product line of advanced antennas and antenna arrays.
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Antennas
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A specialized transducer that converts electric current into electromagnetic (EM) waves or vice versa.
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Antennas
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Radiall offers a complete range of antennas dedicated to military and industrial applications. It includes radio tactical communications, vehicles, positioning, LMR/PMR and telemetry applications. Additionally, Radiall offers custom designed antennas and high-end support to its customers for any special requirements.
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Antennas
Emissions
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Laplace offers a Comprehensive range of antennas. These cover all the radiated emissions and immunity test requirements. All antennas are supplied with calibration and AF data.
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Cylindrical Lens Measuring Device
ZLM
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Optik Elektronik Gerätetechnik GmbH
ZLM is a computer-aided measuring device for geometric parameters of cylindrical lenses, which is used for series production.
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Broadcast Antennas
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Featuring wideband operation (1452Mhz to 1675Mhz) these antennas have a very low VSWR, having beendesigned specifically for operation in these bands. These antennas also have high power handling for anantenna in this class making them ideal for medium power applications. A wide range of standard mountingarrangements is also available.
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Wi-Fi Antennas
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Our extensive portfolio of Wi-Fi antennas includes internal/embedded antennas and externally mounted antennas in a variety of formats. Options range from extremely small adhesive-backed PCB antennas for IoT devices to large MIMO panel antennas for wide area coverage. A wide variety of connector options and mounting options are available to give our customers greater flexibility. Our Wi-Fi antenna portfolio includes products manufactured by TE Connectivity, Laird Connectivity External Antennas, and Hirschmann Car Communications.
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Patch Antennas
8508581
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CAES has extensive experience designing, qualifying and manufacturing a wide range of microstrip patch antennas. We work collaboratively with customers to design for specific platform and application requirements.
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Antenna Characterization
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Radiometrics Midwest Corporation
Radiometrics Open Area Test Site and 10 Meter Anechoic chamber provide ideal test sites for antenna characterization.
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Lens Testing Equipment
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Lens performance is CRITICAL for accurate data, predictable outcomes, and repeatable use in optical systems. Customers choose Optikos for lens testing to recognize potential problems before they hit production or to classify why their lens isn’t performing the way it was designed.
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Broadband Antenna
DRH2
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Wide frequency range, ideal to complement RF test enclosures for various wireless testing applications
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Antenna Switch
SixPak
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The SixPak has two components: a relay matrix and a control box, there are several options for the controller.The relay matrix allows the selection of any 6 antennas by 2 radios or feedlines. Its lockout circuitry prevents both radios from selecting the same antenna. (The 6x1 type of SixPak is now replaced by our RatPak remote 6 way antenna switch.)The usual set-up has one SixPak dual rotary control box, which is manually operated from the radios positions. The control box for the 6x2 contains two rotary switches and 12 LEDs, so the operator can see which antennas are selected.
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Broadband Antennas
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Through high-quality materials and master craftsmanship, our broadband antennas have set the bar high for performance, durability, and quality.
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Horn Antennas
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Horn antennas can be used for emissions and immunity testing. These antennas are constructed using light weight aluminum with a corrosion resistant conductive coating for indoor or outdoor use. Each antenna is individually calibrated. The calibration data and certificate will be shipped with each antenna.The high gain reduces input power requirements to generate high electromagnetic field levels for immunity testing. High gain also increases antenna sensitivity to low level signals.
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Antennas
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Elbit Systems of America’s antenna product line offers ruggedized, field-proven, military communication solutions for air, sea and ground operations. These advanced antennas deliver high performing, continuously connected voice, video, and data communications. Our technologies support high up/down-link rates and make our antennas ideal for fixed and maneuver units. Each system is designed to be fully integrated with most broadband satellite communication systems.
