Near-Field
1) EMF closest to the antenna. 2) Near-field optics.
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Product
Testing Services
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Howland & Lawrence Chamber Services
RF shield testing: IEEE-299, MIL-STD-285, NSA 65-6CTIA CATL certification testing: Probe symmetry and amplitude ripple measurements following Test Plan for Wireless Device Over-the-Air PerformanceAnechoic material test, inspection, remediation: VSWR, inverse spherical nearfield testing of installed material and NRL arch screening tests of individual absorber pieces We can also provide in-process testing of welded steel shielded enclosures with a test technique based on ASME BPVC vacuum box testing—confirm quality of RF welds before the shield envelope is complete. We developed this method for testing the Navy’s Advanced System Integration Lab (ASIL) chamber at Patuxent River, shaving weeks off the construction/testing schedule.
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Product
2D Near-Field Analysis of VCSEL Arrays
VTC 4000
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Instrument Systems Optische Messtechnik GmbH
The VTC 4000 near-field camera from Instrument Systems was specially developed for the ultrafast, precise 2D analysis of VCSEL arrays. It enables polarization-controlled characterization of all relevant parameters simultaneously for the single emitters of the array.
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QAM Shadow
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ComSonics' QAM Shadow is targeted for in-building leakage detection and ingress mitigation when portability and ease-of-use is most important.contractor work verificationevaluate new property wiringingress detection and mitigationextremely easy to use with one-button operationDOCSIS 3.1 ready to future proof your investmentbuilt-in near-field antenna eliminates the need for external antennas
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Deluxe Near-field Detection Receiver
ANDRE™ Deluxe
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The ANDRE is a handheld broadband receiver that detects known, unknown, illegal, disruptive, or interfering transmissions. The ANDRE locates nearby RF, infrared, visible light, carrier current, and other types of transmitters. Quickly and discretely identify threats using the ANDRE Deluxe’s wide range of accessories specifically designed to receive transmissions from 10 kHz up to 12 GHz.
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Near-field Chambers
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Most antenna measurements need to be carried out in the far field; that is, the test antenna should be illuminated by a plane wave. Typically this is carried out by providing sufficient separation between the source and the AUT so the spherical wave approaches a plane-wave character.
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Product
RGO-2000P Robotic Goniophotometer For Plant Lighting
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Hangzhou Everfine Photo-E-Info Co., LTD
RGO-2000P proposed a solution based on the plant lighting requirement to measure and evaluate the spatial light distribution performance of plant lighting based on the limitations of far-field measurement and ILMD near field distribution goniophotometer.
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Light Engines
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Delivering the highest brightness and optical power available, our light engines provide optimized output solutions for a range of applications such as light guide and fiber optic coupling, fluorescence excitation, and unrivaled uniform near and far field illumination.
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Fiber optic active antennas / field probes
EFS-105
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The EFS-105 is the first in a family of fiber-optic active antennas & E-field probes. The field distortion caused by the probe head is nearly zero due to the exceptionally small probe head and the all-optical signal transmission and power supply. This gives an invaluable advantage for near field measurements and measurements close to metallic parts.
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EMC Accessories
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Complete your EMC test setup with the essential accessories to compliment the test equipment. Whether it is a LISN (or V-Network) to counteract interference from external power sources on conducted emissions from the device under test, probes to locate the near field sources of radiated emissions, receive and transmit antennas, or tripods for holding antennas in place, the Rohde & Schwarz catalog of EMC accessories provides the additional items you need for EMI and EMS measurements, guaranteed 100% suitable for use with Rohde & Schwarz EMC test equipment.
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Antennas
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Our broad portfolio of antennas includes products designed for cellular, broadcast, navigation, RFID, IoT, DAS, mmWave, and more. Our antennas are available in standard and custom designs and engineered for use in cars, heavy-transport vehicles including rail, and a wide variety of personal electronics, including mobile device and wearable technology. Our antennas offer high-quality transmission for a wide variety of frequencies including, but not limited to Bluetooth, WLAN, and ZigBee. We manufacture our antennas in facilities worldwide, which include testing capabilities in near and far field patterns, scattering parameters, SAR, vibration, humidity, temperature shock, salt fog, throughput, and acoustic. We also manufacture antenna assemblies.
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Product
Seismic Sensor
SmartPhone D
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Teledyne Marine Real Time Systems
The highly rugged encapsulated SmartPhone D was designed for use with the SmartSource controller, or SmartPhone D system, for real-time monitoring of near-field signatures.
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Scanning Magnetic Microscope
Circuit ScanTM 1000
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Operating circuits within a semiconductor generate external magnetic fields near the surface of the device. These magnetic fields, while weak in strength, contain information about the spatial variation of current density flowing within the circuit. Micro Magnetics has developed the CS1000 to make practical use of this information and provide engineers with valuable information about what is going on inside circuitry non-destructively.
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Cylinder type, Near field Antenna Measurement System
anm02
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As it combines the vertical direction of the probe antenna with the turn of the object antenna, and performs the near field measurement in the shape of a cylinder. The result will be converted to far field. Feature The pattern behind the antenna can be measured by a cylinder scanning. Fast measurement.For example ) Vertical direction 256 point and Rotatory direction 180 point : 30 minutes.
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Near-Field Detection Module for Imaging
Reflection
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Reflective AFM-tip illuminationDetection optimized for high-performance near-field imagingEnables optical amplitude and phase resolved near field measurementsNear-field spectroscopy possible via sequential imaging (Requires tunable illumination unit)Patented background-free detection technologySuited for visible & infrared wavelength range (0.5 20 m)Version for infrared & THz wavelength range (5 300 m) availableSupported AFM scan-speed: up to 20 m/s @ highest spatial resolution
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Product
NI-5782, 100 MHz Bandwidth Transceiver Adapter Module for FlexRIO
782705-02
Transceiver Adapter Module
The NI‑5782 is ideal for applications that require the acquisition and generation of IF or baseband signals with in-line, real-time processing. You can analyze acquired signals in the PXI FPGA Module for FlexRIO to perform measurements and generate response signals. Application areas include RF modulation and demodulation, channel emulation, bit error rate testing (BERT), signal intelligence, radio frequency identification (RFID) and near-field communication (NFC) test, real-time spectrum analysis, and software defined radio (SDR).
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Near Field Probes
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Used for accompanying measurements of high-frequency, electric and magnetic RF fields on assemblies and devices.
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EMC Near Field Probes
TBPS01
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The TBPS01 EMC near field probes H20, H10, H5 and E5 are magnetic field (H) and electric field (E) probes for radiated emissions EMC pre-compliance measurements. The probes are used in the near field of sources of electromagnetic radiation.
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Product
Combination Board Tester
ATE QT2256-640 PXI
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Qmax Test Technologies Pvt. Ltd.
Most commercial ATEs does only functional test and do not carry out DC/AC parameter testing, which are very essential in increasing the fault coverage and for achieving near zero field returns. The testing challenges get worse when the boards are equipped with BS compatible components, DSP chips and CPUs or micro controller based boards. ATE QT2256-640 PXI system is designed as a combination board tester capable of testing highly complex and PCBs employing various techniques on a single platform. It can be easily upgraded to 640 digital channels and with programmable UUT power supplies, IEEE or PXI external instrumentation, Bus cycle signature system, ICE and integrated Boundary scan Test AC/DC parametric testing. The ATE is interfaced to an external host PC using a PCI express interface card allowing a maximum data transfer rate. Most commercial ATEs does only functional test and do not carry out DC/AC parameter testing, which are very essential in increasing the fault coverage and for achieving near zero field returns. The testing challenges get worse when the boards are equipped with BS compatible components, DSP chips and CPUs or microcontroller based boards.
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Product
Versatile AFM Optical Coupling
TRIOS
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The TRIOS platform is an advanced research instrument that provides the entry path for researchers in materials science, biology, spectroscopy and photonics. TRIOS is the most versatile optical coupling platform providing three ports for optical spectroscopy measurements with top-down, side (oblique) and inverted accesses to the AFM tip and sample.If you work with opaque and/or transparent samples, either in air or in liquid looking at nanoscale structures and near-field optical properties investigation, the TRIOS platform is the right solution for you. It perfectly combines upright optical, inverted optical, and atomic force microscopies, and unleash all the power of both techniques providing instrument adjustment and measurement automation, high resolution and integration flexibility. Such performance is only available from HORIBA.
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Product
Imaging Goniometers
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Radiant Vision Systems fully-automated goniometric systems are combined with a ProMetric® Imaging Colorimeter or Photometer and specialized software to capture a precise, comprehensive model of a light source’s near-field output.
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Product
RF Near Field Probe Set DC to 9GHz
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EMF & RF close field sniffer-set for use with any Spectrum Analyzer or Measurement Receiver. The EMC Near Field probe set allows for straightforward pinpointing and measurement of interference sources in electronic component groups as well as execution and monitoring of generic EMC measurement. Our RF near field probe set is especially suitable for: - Pinpointing interference sources - Estimation of interference field strength - Verification of shielding and filtering measures - Identifying faulty components - Detecting circuitry overly sensitive to interference.
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Preamplifier
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Is designed for the amplification of measuring signals, e.g. weak signals of near field probes with high resolution.
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Product
NI-5782, 100 MHz Bandwidth Transceiver Adapter Module for FlexRIO
782705-01
Transceiver Adapter Module
The NI‑5782 is ideal for applications that require the acquisition and generation of IF or baseband signals with in-line, real-time processing. You can analyze acquired signals in the PXI FPGA Module for FlexRIO to perform measurements and generate response signals. Application areas include RF modulation and demodulation, channel emulation, bit error rate testing (BERT), signal intelligence, radio frequency identification (RFID) and near-field communication (NFC) test, real-time spectrum analysis, and software defined radio (SDR).
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Near Field Probes 1GHz - 10 GHz
SX set
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The SX1 set consists of 3 passive near field probes for making measurements in the development phase of E-field and magnetic field with a high clock frequency in the range from 1 GHz to 10 GHz. The probe heads of the set SX allow for measurements close to electronic assemblies, e.g. on single IC pins, conducting paths, components and their connectors, to localize interference sources. Field orientation and field distribution on an electronic assembly can be detected through trained use of the near field probe. The near field probes are small and handy. They have a sheath current attenuation and are electrically shielded. They can be connected to a spectrum analyzer or an oscilloscope with a 50 Ω input. They have an internal terminating resistance.
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Product
Scanner Probe
RFS set
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The RFS set consits of three passive near field probes designed for the use in a measurement scanner during the development of E-field and magnetic field. They are designed for frequency ranges of 30 MHz to 3 GHz. The probe heads of the RFS set allow for close measurements needed to correctly localize interference sources on an electronic assembly. They document the whole image of the device under test`s near field. The scanner probes have a sheath current attenuation and are electrically shielded. They are connected to a spectrum analyzer or an oscilloscope with a 50 Ω input. They do not have an internal terminating resistance. The measuring signal can be increased with PA 203 or PA 303 preamplifier. On request RFS, LFS and XFS scanner probes can be produced.
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USB Magnetometer
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MultiDimension Technology Co.,Ltd.
A three-axis digital magnetometer that is intended for the measurement of magnetic fields near the probe tip at frequencies less than 250 Hz.
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Near Field Micro Probes ICR HH H Field
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The measuring coil is horizontally located in the probe head. The near field micro probes are operated with a positioning system (Langer Scanner).
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Product
GO-NR1000 Near-Field Goniophotometer
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Hangzhou Everfine Photo-E-Info Co., LTD
Suitable for LED light source, LED chip, module and other small light source, the principal function includes: spatial light intensity distribution curve, spatial color distribution curve, iso-lux curve, total luminous flux, effective luminous flux, spatial luminance curve, etc.The test data can be saved as IESNA (*.ies), CIBSE (*.cib), EULUMDAT (*.ldt), CIE (*.cie), CEN (*.cen) and other formats, which can be directly used as the input data of international general lighting design software. Spatial luminance data can be imported into near-field lighting generation software to generate light data that can be imported into third parties (TracePro and LightTools).
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Shielding Effectiveness/ Conductivity Test
EM-2107A | 30 MHz – 1.5 GHz
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The EM-2107A is a standard test fixture for evaluation of the electromagnetic shielding effectiveness of planar material. The fixture is an enlarged section of coaxial transmission line and complies fully with the requirements of ASTM test method D4935-1. The measured data relates to the shielding effectiveness due to a plane wave (far field EM wave) from which near field values for magnetic and electric fields may be inferred. The EM-2107A is provided with a reference standard test specimen, a dynamic range specimen. Dynamic range of greater than 80dB is achievable, although the cables and other test system components usually establishes the limiting factors.
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Antenna Test Chamber
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Comtest provides Antenna test ranges fully covered with microwave absorbers for both near-field and far-field measurements. Because we always strive for new solutions, our R&D department developed our ‘Javelin Tip’ polystyrene absorbers. The enhanced material composition and altered shape, lead to improved performance and cleaner working space, enabling you to make high precision antenna testing fast, reliable, and worry-free.
