Near-Field

Uses Scanning Near-Field Optical Microscopy (SNOM) to investigate optical properties beyond the conventional limits imposed by diffraction. NTEGRA Solaris combines three different microscopy techniques: light, scanning nearfield optical microscopy (SNOM), and atomic force microscopy (AFM). Integration at this advanced level creates enormous design ...more

Near-Field test ranges are typically indoor configurations that occupy a relatively small space. This type of range uses a small RF probe antenna that is scanned over a surface surrounding the test antenna. Range lengths can be very short even to the point to where the probe nearly touches the antenna structure. ...more

The EMC PRECISION SCAN is a scanner system to measure RF near-field emissions from a printed circuit board under test in normal offices or similar electromagnetic environments by utilizing an X-Y axis antenna probe scanning mechanism. ...more

This high frequency chamber is designed in conjunction with planar, spherical or cylindrical near-field measurement systems to provide far-field extrapolation of test data taken in the near-field. This approach requires less space than what is typically required for standard far-field environments. ...more

Model 600C-12 is a cylindrical near-field system designed for testing of cellular and PCS antennas. It is ideal for measuring broad beam (azimuth) antennas with apertures less than twelve feet making it ideal for testing stacked linear arrays. The 600C-12 consists of a vertical probe tower with an 12’ (3.7 m)travel, high capacity stepper ...more

NSI's open-ended waveguide probes have been specifically designed for near-field measurements. All probes are standard WR waveguide bands and are supplied with a mounting flange, coaxial transition (for probes below 50 GHz only), absorber, and aperture cover unless otherwise noted. ...more

The NSI model 700S-200 is an ideal system for measuring radiation characteristics of vehicle mounted antennas. The system interfaces with a wide variety of NSI, Agilent, or R&S RF equipment. The Model 700S-200 includes NSI's NSI2000 Antenna Measurement Software. The system software runs on a Pentium based measurement workstation and provide ...more

The 600C-5 is a complete cylindrical near-field system ideal for measuring broad beam (azimuth) antennas with apertures less than five feet making it ideal for testing stacked linear arrays. The 600C-5 consists of a vertical probe tower with an 5’ (1.5 m) travel, high capacity stepper motor based azimuth positioner, control computer, sof ...more

Model 700S-60 is an ideal system for measuring medium and low gain antennas up to 79inches (2.0 m) in diameter and is well suited to cellular and PCS band base-station antenna testing. The 700S-60 uses a dual-axis phi-over-theta high accuracy stepper motor based positioning system with an adjustable extension foot for probe support. The system ...more

Model 700S-50 is an ideal system for measuring medium and low gain antennas up to 56 inches (1.4 m) in diameter and is well suited to cellular and PCS band base-station antenna testing. The 700S-50 uses a dual-axis phi-over-theta high accuracy stepper motor based positioning system with an adjustable extension foot for probe support. The syste ...more

Model 700S-30 is an ideal system for measuring medium and low gain antennas up to 39 inches (1 m) in diameter. The 700S-30 uses a dual-axis phi-over-theta high accuracy stepper motor based positioning system with an adjustable extension foot for probe support. The system is constructed of modular high strength aluminum and can support loads of ...more

Model 600C-6 is a complete cylindrical near-field system ideal for measuring broad beam (azimuth) antennas with apertures less than six feet making it ideal for testing stacked linear arrays. The 600C-6 consists of a vertical probe tower with a 6’ (1.8 m) travel, high capacity stepper motor based azimuth positioner, control computer, sof ...more

NSI's planar scanner line ranges from very small portable or table-top scanners to very large precision scanners used for satellite or radar antennas. ...more

Model 600C-22 is a cylindrical near-field system designed for testing of cellular and PCS antennas as well as higher frequency antennas with larger apertures. It is ideal for measuring broad beam (azimuth) antennas with apertures less than 22 feet, or for testing stacked linear arrays or medium sized reflector antennas. The 600C-22 consists of ...more

NSI offers broadband ridged waveguide probe (RGP) antennas for use as near-field measurement probes. The wide bandwidth of these probes allow replacement of several standard Open Ended Waveguide (OEWG) Probes, eliminating the need to change probes frequently. The probe is delivered with typical measured probe correction data from NSI to serv ...more

This system consists of an integrated chamber/offset arm scanner provided by The Howland Company, and motor control system and software from NSI. The system design represents a major advance for testing of wireless products. Specialized features include an offset mounted dielectric turntable to reduce truncation effects, false absorber walls w ...more

Model 600C-8 is a complete cylindrical near-field system ideal for measuring broadbeam (azimuth) antennas with apertures less than eight feet making it ideal for testing stacked linear arrays. The 600C-8 consists of a vertical probe tower with an 8’ (2.4 m) travel, high capacity stepper motor based azimuth positioner, control computer, s ...more

Model 700S-70 is an ideal system for measuring medium and low gain antennas up to 118 inches (3 m) in diameter and is ideally suited to perform cellular and PCS band base-station antenna testing. The 700S-70 uses a dual-axis phi-over-theta high accuracy stepper motor based positioning system with an adjustable extension foot for probe support. ...more

Model 700S-20 is an ideal system for measuring medium and low gain antennas up to 10 inches (0.25 m) and up to 10 pounds (4.5 kg). The 700S-20 uses a dual-axis, phi-over-theta, high accuracy positioning system with an adjustable stand, for probe support. The system is constructed of modular aluminum and components. Thus, the location of the pr ...more

The 600C-3 is a complete cylindrical near-field system ideal for measuring broad beam (azimuth) antennas with apertures less than 3 feet making it ideal for testing stacked linear arrays. The 600C-3 consists of a vertical probe tower with an 3 ' (0.9 m) travel, high capacity stepper motor based azimuth positioner, control computer, software an ...more

The Model 4100 Wireless Test Lab is specifically designed for mobile video applications, both terrestrial and satellite. It is designed with thicker absorber to allow it to operate down to 400MHz and a longer range length to keep the measurement antenna out of the reactive near-field of the equipment under test. ...more

12-Meter Radius Spherical Near-Field Measurement System for Telematics Applications. Examples include cellular phones, GPS navigation, mobile video, and Wi-Fi. These systems operate from a few hundred megahertz up to 6 GHz and higher. For each application, the automobile body and the ground plane effect the system's electromagnetic performance. ...more

Designed to make both far-field and near-field measurements on automobiles and trucks, the Mobile Communications Test System is a central component of the multipurpose Antenna Range Complex. The measurement system uses a distributed axis positioning system. The probe antenna is mounted on a lightweight yet very strong dielectric boom that moves in ...more

Near field profiling is a common technique used to analyze small beams, and involves a microscope objective lens to image the beam onto a camera detector array. This technique expands the measurement range of the camera to include smaller beams, which could not be ordinarily measured due to the pixel size of the detector array. Near field profi ...more

Measuring the near field of sources such as laser diodes, VCSELs, optical fiber, and/or waveguides can be a difficult task. Accurate measurement of such small sources to the micron level requires high precision in the optical and mechanical design. To simplify this task and to fill this requirement, Photon offers several models of Near-Field Pr ...more