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Optical Choppers
Intercept current or beams of radiation on a periodic basis.
See Also: Lock-in Amplifiers
- Pickering Interfaces Inc.
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PXI/PXIe MEMS Optical Switch, Quad Insert/Bypass, Single-Mode, 9/125 Fiber, MU Connectors
42-860A-342
The 40/42-860A-342 is a PXI/PXIe quad insert/bypass switch with MU connectors and is part of Pickering's range of PXI Fiber Optic MEMS Switching modules.
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Optical Chopper
SR540
Stanford Research Systems, Inc.
The SR540 chopper will handle all your optical chopping requirements?from simple measurements to dual-beam and intermodulation experiments. The SR540 has a 4-digit frequency display, front-panel frequency control, analog voltage frequency control and two reference outputs with selectable operating modes.
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Ultra Miniature Rotating Optical Chopper
360C
A small compact low cost system suitable for OEM use. 10 Hz - 14,000 Hz standard chopping frequency range.
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Detection Electronics
Our detection electronics portfolio comprises all the detection electronics elements required for the operation and automation of a high quality light measurement system, including photo-detector signal recovery and digitisation (with fully programmable DC, AC and lock-in amplifiers having current/ voltage inputs), high voltage supply, optical chopper control, detector thermoelectric cooler control and relay unit.
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Photonics Testers
Optical choppers, optical to electric converters, fiber optic links, and other photonics testers
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Saluki SE3001 Optical Chopper (1Hz - 10kHz)
SE3001 Optical Chopper is high-precision optical equipment with its chopper frequencies from 1 Hz to 10 kHz. With the advantage of PID technology and high-quality motor, the frequency accuracy of SE3001 is up to 0.5%. SE3001 consists of a console, a chopper head and a control line. The main function of the console is to control the speed of the motor to achieve the target speed. The chopper head is mainly composed of a base and a motor with a blade.
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Large Rotating Disc Optical Chopper
L340CD
An optical chopper based on 200 mm diameter discs. The larger disc size allows larger diameter beams to be chopped.
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Resonant Chopper Systems
Electro-Optical Products Corp.
An external clock signal, to provide an ultra stable modulating optical beam motion [sub] system. The system can be used as a "stand alone" unit, in the laboratory, or can be incorporated into a larger instrument/system. The chopper is ONE FIXED FREQUENCY, picked from the range of 5 Hz to 20 kHz. The chopper is a small size, light weigh, low cost and long life device. It requires low power drive electronics and does not radiate electromagnetic interference (EMI). It has high frequency stability and high amplitude stability. The chopper is IR, VIS and UV and high vacuum capable. Reference signal and position output available.
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High Speed Optical Choppers
The Optical Choppers offered by Hinds Instruments are resonant devices designed to work at one frequency. We offer two ways to chop light: a High Speed Optical Chopper (HSOC) and a Photoelastic Modulator (or PEM).
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Optical Chopper
These high stability variable frequency optical choppers each include a set of chemically blackened photoetched chopping discs. The mini chopper is an excellent choice for applications requiring a compact package. The chopping discs come in a variety of slot apertures and allow operation. Beam diameter is limited to 0.75mm when using the 200-slot disc and 1.0mm when using the 40 slot mini disc. The easy-to-interchange blades are made of non-magnetic, half hard brass and can be used in combination. Chopping frequency is set by adjusting a ten-turn dial or by applying an external DC voltage to the BNC input. Reference output is a TTL pulse and is in-phase with chopping action. The 5 digit led display gives a direct read-out of the chopping frequency. Power: 90-130V or 180-260V; 50/60Hz; 12VA max. Power supply included. Choppers are often used together with lock-in amplifiers.
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Rotating Optical Chopper
300C and 300CD
Scitec Instruments Model 300 is a high stability variable frequency optical chopper. The basic system consists of a control unit, a chopping head and a set of four chemically blacked photo etched discs. This system provides operation over the frequency range 5Hz to 3kHz.
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Optomechanical Devices
Optomechanical devices include an optical chopper, scanning galvo mirrors, adaptive optics, a motorized pinhole wheel, a piezo objective scanner, a motorized flip mount, motorized filter wheels, and optical beam shutters.
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Optical Components for Custom Spectroscopy
HORIBA offers a wide variety of optical accessories. We have optical choppers which pulse continuous light sources. Explore our order sorting filter wheels for spectrographs and monochromators. Choose from our optical fibers and light guides, with flexible light delivery, single fibers, fiber bundles, and liquid light guides. And select from our lens and mirror-based sample compartments.All of these accessories are compatible with our various optical components. Our optical accessories allow us to complete a custom solution for your unique configuration requirements and a variety of spectroscopy applications. HORIBA offers more choices to ensure you can select the best optics for your needs.
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Miniature Rotating Optical Choppers
350C and 350CD
Model 350 is a high stability variable frequency optical chopper. The basic system consists of a control unit and a chopping head. It is supplied with four chemically blacked 30 mm diameter discs. These discs are of 2, 4, 10 and 40 slots and allow operation over the frequency range 10 Hz to 10 kHz.
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Photoluminescence & Electroluminescence Measurement System (PL/EL)
PL
PL/EL Measurement System includes Laser, Spectrometer, Lock-in amplifier, Optical Chopper, Sample Holder(PL/EL), PMT/CCD, Fiber, Optical optics, Optical Table, Refrigerator（low temperature）,Sample Chamber and related accessories;
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Detection Electronics
Our detection electronics portfolio comprises all the detection electronics elements required for the operation and automation of a high quality light measurement system, including photo-detector signal recovery and digitisation (with fully programmable DC, AC and lock-in amplifiers having current/ voltage inputs), high voltage supply, optical chopper control, detector thermoelectric cooler control and relay unit.
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Optical Switches
Fast and reliable optical switches to streamline your test procedures. Can be customized with a wide range of switch configurations, fiber types and connectors.
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Automated Optical Switch - PXI
Add optical switching capability to your test system with Quantifi Photonics’ automated optical switches. The fast and reliable optical switch will enable automated sequential testing, saving time and streamlining your test procedures.
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Optical-Electrical Converter - PXI
O2E 1000 – 1400 Series
The O2E is a high bandwidth, broadband optical to electrical converter.Available in a range of configurations; choose from 1 or 2 channels, AC or DC coupling and various conversion gain and operating wavelength ranges.
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Broadband Optical Source - MATRIQ
Our SLED MATRIQ instrument is a compact super-luminescent LED light source with high output power, large bandwidth and low spectral ripple.The SLED comes in various wavelength models to address various key applications across telecom and datacom, and is ideal for building a customized optical testing platform that delivers reliable and repeatable results.
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Power Probes
RkP-500 Series
The RkP-500 Series probes take advantage of synchronous detection (chopper/lock-in amplifier) technology to offer unparalleled background noise rejection, S/N ratio, and sensitivity. Total power, average power, and irradiance can be measured. The probes can be mounted directly onto the Rk-570C Optical Chopper to form an integrated measurement system, or the chopper can be operated remotely from the probe.
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Optical to Electrical Converters
High bandwidth, broadband optical to electrical converters available in a range of configurations. Choose from 1 or 2 channels, AC or DC coupling and various conversion gain and operating wavelength ranges.
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Broadband Optical Source - PXI
SLED 1000 Series
The SLED 1000 Series is a super-luminescent LED light source with high output power, large bandwidth and low spectral ripple. It comes in various wavelength models to address applications in the telecom and datacom markets.The SLED is a single-slot PXIe module and is ideal for building a customized optical testing platform that delivers reliable and repeatable results in manufacturing or R&D environments.
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Automated Optical Switch - MATRIQ
Add optical switching capability to your test system with Quantifi Photonics’ automated optical switches. The fast and reliable optical switch will enable automated sequential testing, saving time and streamlining your test procedures.
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Optical Tester
Model C
The Model C Optical Tester is just such a device. Extremely small geometric distortion and focal length deviation can be viewed and measured easily.
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Optical Switch
5504
The FOD 5504 Optical Switch is a unique handheld instrument for calibration sets and measurement automation. Routine comparison with Master device procedures in calibration laboratories, can be simply performed with before unachievable repeatability. No more need to move fiber and connect it repeatedly. Fix cables on a table, only once clean and connect patchcords.
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Optical Fiber
Thorlabs' full line of optical fiber and fiber optic components are presented here. This includes our industry-leading selection of bare optical fiber and fiber optic patch cables as standard stock items. In addition, custom fiber patch cables can be ordered and shipped within 24 hours. Also available is an extensive line of optical fiber components including collimators, polarization controllers, fiber optic couplers, WDMs, circulators, and attenuators, as well as all of the tools and supplies needed to terminate, inspect, and clean optical fiber and fiber components.
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Optical Node
Sichuan Jiuzhou Electronic Technology Co.,Ltd
* Philips CGD914 amplifier module that employs both GaAs and Si dies.* 4 outputs, output level ≥100dBμV when optical input at -1dBm.* Plug-in fixed attenuator, fixed equalizer.* Optical power indication for -7 ~ 0dBm.* FP laser or DFB laser for return path.* RF test point for forward path and return path.* Optional SNMP responser unit supporting JIUZHOU HFC Net Managing software.* AC 60V or AC 220V power supply.* Aluminum die-casting housing.
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Optical Modulator
Is an Intensity Modulator that is manufactured with Annealed Proton Exchange(APE) process, it features a zero-chirp design and Polarization Maintaining(PM) fiber output. Features 20 GHz E/O bandwidth, a highly linear transfer function and excellent extinction ratio. Applications include digital transmission up to 20 Gb/s, analog RFoF transmission to 20 GHz, optical pulse generation, mode-locked fiber laser and microwave optical link.
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Optical Profilers
Finally, measurements of surface roughness and topography can be made for a price that's less than that of a stylus profilometer. The Profilm3D has sub-nanometer vertical resolution, which surpasses optical profilometers that cost 3x as much. It does so by using the same state-of-the-art measurement technologies as the most sensitive optical profilers available: vertical-scanning interferometry (VSI) and phase-shifting interferometry (PSI).
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Optical Tensiometers
Theta Lite
Theta Lite is a compact and accurate contact angle meter for simple measurements of contact angle and surface free energy. It also measures surface and interfacial tension.
