Near-Field
1) EMF closest to the antenna. 2) Near-field optics.
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Scanner Probe
RFS set
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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Atomic Force Microscope (AFM)
CombiScope
The CombiScope Atomic Force Microscope (AFM) is an advanced research instrument that provides the entry path for researchers in biology, spectroscopy and photonics. If you work with transparent samples either in air or in liquid towards nano-scale structures and (near-field) nano-optical properties investigation, the CombiScope is the right solution for you. It perfectly combines inverted optical and atomic force microscopies and unleash all the power of both techniques providing the instrument adjustment and measurement automation, high resolution and high speed. Plus it can be easily upgraded to our Raman spectrometers.
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Light Engines
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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Testing Services
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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Near-Field Probes 100 kHz up to 50 MHz
LF1 set
The LF1 near-field probe set consists of 4 shielded near-field probes used during the development process for emission measurement of longwave, medium wave, and shortwave frequencies on electronic devices. The probe heads of the LF1 set are designed for incremental detection of sources of electromagnetic interference on assemblies. First, the electromagnetic interference of the assembly is detected by the LF-R 400 probe from up to 10 cm. Then probes with higher resolution like the LF-B 3, LF-U 5 and LF-U 2.5 are used to more precisely detect any source of interference. The probe heads are designed for taking measurements at single pins and larger components. Near-field probes are small and handy. They have a current attenuating sheath and, therefore, are electrically shielded. They can be connected to a spectrum analyzer or an oscilloscope with a 50 Ω input. The H-field probes do not have an internal terminating resistance of 50 Ω.
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Near Radio Field Meter
NRFM-1000
Locate and Identify Hidden Radio Transmitters (Bugs) with our precision meter and included earphone.
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EMC Accessories
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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Preamplifier
Is designed for the amplification of measuring signals, e.g. weak signals of near field probes with high resolution.
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GO-R5000 Full-Field Speed Goniophotometer
Hangzhou Everfine Photo-E-Info Co., LTD
The GO-R5000 integrates more powerful functions such as near field, middle field and far field distribution goniophotometer, which can be used for spatial luminous intensity distribution and total luminous flux test of indoor lighting lamps, floodlights, street lamps, etc. Equipped with imaging luminance meter and spectroradiometer, it can measure the spatial luminance distribution and spatial spectral color distribution of the light source.
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Imaging Goniometers
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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Near Field Probe Set
RF100
The RF100 probe set consists of a passive E field probe and H field probe, BNC adaptor and carry case. The output is via a BNC socket. These are general purpose probes which are ideal for use in conjunction with an EMC measuring system. They are sensitive to sources in close proximity, but are insensitive to background signals. This makes them ideal for the identification of emission frequencies in noisy environments... thus making measurements easier and quicker. The proximity requirement also enables sources to be located and the exit route identified.
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NI-5782, 100 MHz Bandwidth Transceiver Adapter Module for FlexRIO
782705-02
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
A typical emi emission test is performed using broadband EMC antennas such as biconical, log periodics, Combilogs and horns. These antennas usually placed at 1, 3 or 10 meter distance as required by the test specification. These is considered far field measurements and the emission limits are given for the specific distance by the specification. During EMI compliance measurements, the emissions levels from products are compared with these limits. If the product exceeds these limits it is considered failing. These tests are typically conducted in a open area test site IOATS) or inside an anechoic chamber.
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Near Field Moving Detector Goniophotometer
LSG-1900B
LSG-1900B Goniophotometer is near field Type C automatic goniophotometric instrument for luminous intensity distribution measurement. The LSG-1900B uses a constant temperature detector. It is for industrial laboratory photometric data measurements of small luminaires, such as down light, bulb light, etc.
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Near Field Probes 30 MHz up to 3 GHz
RF1 set
The RF1 near field probe set consists of 4 passive near field probes for making measurements in the development phase of E-field and magnetic field in the ranges of 30 MHz to 3 GHz on electronic assemblies. The probe heads of the RF1 set allow for measurements close to the electronic assemblies, e.g. on single IC pins, conducting paths, components and their connectors in order to localize interference sources. Field orientation and field distribution on an electronic assembly can be detected through a trained special 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 do not have an internal terminating resistance.
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Plane Wave Converter
PWC200
The R&S®PWC200 Plane Wave Converter is a bidirectional array of 156 wideband Vivaldi antennas placed in the radiating near field of the device under test (DUT). The phased antenna array can form planar waves inside a specified quiet zone within the radiating near field of the 5G massive MIMO base station for realtime radiated power and transceiver measurements (EVM, ACLR, SEM, etc.).
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Antennas
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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Large-size Hybrid Reverberation / Anechoic Chamber
F-Series
The F large-size hybrid Reverberation/Anechoic Chamber represents the most versatile OTA test system in the market today. With the same unique test features of their E Series RC counterparts, the F-Series can also test large form-factor devices under test (DUTs) like laptops, large TV sets, solar and trash compactors, drones, fridges or washing and vending machines, among others. With up to 16x16, 8DLCC and DUTs up to 2m and 500 kg including full-body phantoms in a turntable, the F Series also expands the frequency range down to cover 200 MHz up to 40 GHz frequency ranges and the test modes to include EMC, BS, small cell, eNodeB and Virtual Drive Testing over the air (VDT-OTA). In an again unheard-of feature, the F-Series is also reverse-convertible into an Anechoic chamber, allowing Far Field (FF) and Spherical Near Field (SNF) radiation patterns, efficiency and gain measurements and pre-5G testing of antennas and devices. Conversion from RC to AC or vice versa can be performed within half a day.
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QAM Shadow
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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RGO-2000P Robotic Goniophotometer For Plant Lighting
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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Near Field Micro Probe ICR HV H Field
The measurement coil is located vertically in the probe head. The near field probes are run with a positioning system (Langer Scanner).
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USB Magnetometer
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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Fiber optic active antennas / field probes
EFS-105
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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Scanning Magnetic Microscope
Circuit ScanTM 1000
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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EMC Scanner
EMxpert
EMXpert is a unique magnetic near field scanning system that helps designers be highly productive in understanding and diagnosing these problems, quickly and early in the development cycle.
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Versatile AFM Optical Coupling
TRIOS
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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Refractive Index Profiler
S14
The S14 Refractive Index Profiler complements optical fiber preform analysis measurements by providing highly accurate and precise characterization of the refractive index profile of drawn single-mode, multimode, and specialty fibers using the RNF (Refracted Near Field) technique. The S14 index profile data produces fiber geometry information directly. Manufacturers can also use S14 data for the prediction of fiber transmission parameters such as mode field diameter, cut-off wavelength, and chromatic dispersion.
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Combination Board Tester
ATE QT2256-640 PXI
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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LED626/620 Goniophotometer For LEDs
Hangzhou Everfine Photo-E-Info Co., LTD
It can measure the luminous intensity data and automatically plot the luminous intensity distribution curve and luminous flux, and the test conditions meet the CIE condition A (far field) or condition B (near field).In addition, the software can provide customers with 3D luminous intensity distribution graphic.
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Near-Field Scanning Optical Microscope Platform
MoScan-F
MoScan-F is a device that enables you to get the best up-to-date available spatial optical resolution using the near field scanning optical microscope (NSOM) principle
