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Photodiode
convert's light into current.
See Also: Diode, Laser Diode, Zener Diode, Diode Test, Photodiode Arrays
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High Speed Fiber-Optic Detectors
High speed fiber-optic detectors use special photodiodes with high speed electronic circuits to convert fast pulses in optical fibers to electrical signals for measurement. Unlike our optical receivers, these photodetectors do not include a transimpedance amplifier.
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Fiber Photodiode Power Sensors
These interfaces provide communication between an attached sensor and a PC or other external control unit. They are designed to be controlled via an external device or operated autonomously using the analog output; there are no controls or display screens.
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Handheld Optical Power Meter
JW3211
Shanghai Joinwit Optoelectronic Tech,co.,Ltd
JW3211 optical power meter is a handheld optical power meter, newly released in 2007, which can be used for absolute optical power measurements as well as for relative loss measurements in optic fiber networks. An Ø1.0mm photosensitive area photodiode is used to significantly improve the stability and the reliability. It features ingenious appearance, wide range of power measurement, high accuracy, user self-calibration function and reference power level storage.
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UV Sensors
With analog (4-20mA, 0-5V, 0-10V) or digital (USB, Modbus) output, also available with Android device (incl. app). SiC photodiode chip based Broadband UV sensitivity or filtered for UVA, UVB, UVC or UV-Index spectral sensitivity. Our sensors are also available with logarithmic signal transduction, linearity from 0 … 1500 mV. Calibration services available at our Berlin facility prior to delivery and after use
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*Pulse Characterization Sensors
Pulse Characterization Sensors provide the ability to see and measure the temporal characteristics of pulsed and CW laser beams. Ophir Fast Photodiode Detectors are designed to convert optical signals into electrical signals which are then measured with third-party instrumentation such as oscilloscopes and spectrum analyzers. Accessories are available to connect to IS6 integrating spheres or fiber optic cables. Attenuating filter accessories are also available to increase their dynamic range. Different models offer silicon, UV enhanced silicon and InGaAs PIN photodiodes, covering a combined spectral range of 193 nm to 1700 nm. Rise times range from 25 picoseconds to 3 nanoseconds. The fast rise times are achieved by an internal reverse bias voltage circuit. Power is supplied by internal batteries and/or an external power supply depending on the model. Detectors should be connected to a 50Ω impedance in order to maintain their nominal rise times. They can be connected to higher impedance loads, but this will result in a significant increase in the rise time. If higher output voltage is required, it is recommended to connect the detector to a trans-impedance amplifier with an Input impedance of 50Ω
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Laser Power / Energy Meter
StarBright 7Z01580
*Compatible with all standard Ophir thermal, BeamTrack, pyroelectric (PE-C series) and photodiode sensors*Brilliant color large size TFT 320x240 display*Choose between Digital with Bargraph, Analog Needle, Line Plot (for laser tuning), Pulse Chart, Pass/Fail, *Position, Stability, Real Time Statistics displays*Sophisticated power and energy logging, including logging every point at up to 5000Hz with Pyro sensors*Math functions for advanced processing such as Density, Scale Factor, Normalize against base line, etc.*Can mix functions together and display the results graphically. Function results can also be logged.*USB Disk on Key (Thumb Drive) for nearly unlimited data storage.*USB and RS232 interfaces with StarLab PC applications and User Commands document
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Avalanche Photodiodes
These avalanche photodiodes (APDs) are silicon photodiodes with an internal gain mechanism. As with a conventional photodiode, absorption of incident photons creates electron-hole pairs. A high reverse bias voltage creates a strong internal electric field, which accelerates the electrons through the silicon crystal lattice and produces secondary electrons by impact ionization. The resulting electron avalanche can produce gain factors up to several hundred.
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Radiometric Probe for UVA Irradiance
LPUVA03…Series
The LPUVA03 probe measures irradiance (W/m²) defined as the ratio between the radiant flux (W) passing through a surface and the surface area (m²) in the UVA (315 nm…400 nm) spectral range. Thanks to a new type of photodiode, LPUVA03 is blind to visible and infrared light.
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Current to Digital
Analog Devices’ breakthrough current-to-digital converter technology is backed by award winning expertise to help solve your medical, industrial, and security application needs. Our high speed, high resolution ADC modules enable improved CT scanner data acquisition, photodiode sensors and power monitoring, spectroscopy, and high channel count data acquisition systems.
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Optical Sensors
Analog Devices optical sensors are optical sensing front ends that include integrated ultra-low noise amplification and high performance photodiodes. These solutions are used to achieve the highest performance for instrumentation, industrial, or clinical applications; or to optimize a solution to achieve the lowest power dissipation at a given performance level for battery powered and portable applications.
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Ultra-Low Noise 2 kHz Photoreceiver w/ Si-PIN Photodiode
PWPR-2K-SI
Picowatt Photoreceiver series PWPR-2K with switchable gain (10 to the 9th V/A, 10 to the 10th V/A) and a bandwidth from DC to 2 kHz is the perfect choice for cw-measurements, time resolved signal acquisitions and highly sensitive modulated measurements. Si and InGaAs models cover the wavelength range from 320 to 1700 nm.
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SWIR InGaAs Sensors
Xenics is a vertically integrated SWIR detector and camera company. Xenics designs and develops ROICs (read-out integrated circuits) for SWIR imaging detectors.Furthermore, Xenics develops SWIR imaging detectors based on InGaAs (indium gallium arsenide) photodiode arrays. These SWIR detectors are used in Xenics SWIR camera products, but can also be offered as such to customers who require a detector-based solution. In addition to standard products, Xenics can also offer customized solutions.
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Photodiodes
Opto Diode manufactures high quality standard and custom photodiodes. Our wide range of standard device feature low dark current and low capacitance. The silicon detectors are ideal for general purpose applications, laser monitoring, position sensing, measuring photons, electrons, or X-rays, or for detecting sun and rain applications. The devices operate from the deep UV to the near-infrared wavelengths.
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Active Optical Connectors
Panasonic Industrial Devices Sales Company of America
All-In-One Design, Integrated Fiber Cable for High-Speed Transmission.Panasonic, a worldwide leader in Connector Products, offers the V Series Active Optical Connectors. Featuring a built-in Laser Diode and Photodiode along with an electrical/optical conversion function, the V Series is an all-in-one optical transceiver capable of transmission rates up to 8 Gbps.
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Femtosecond Pump - Probe Transient Absorption System
Hatteras
The Hatteras is first professional system on the market for ultra fast transient absorption pump - probe spectroscopy. Two linear image sensors (multichannel detection) or two photodiodes (singlechannel detection) are placed behind an imaging spectrometer to measure probe and reference pulses, originating from a femtosecond white light (continuum) generator or from an optical parametric amplifier.
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UV-Vis & UV-Vis-NIR Systems
Our range of powerful and productive UV-Vis and UV-Vis-NIR molecular spectroscopy systems offers options for any optical application. The Cary 60 Spectrophotometer has a unique Xenon flash lamp to enable remote sampling, while the Cary 4000 allows you to measure highly turbid solutions without an integrating sphere. The Cary 8454 photodiode array captures the complete UV-Vis spectrum (190-1100nm) in less than one second.
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Optical Power And Energy Meters
Thorlabs' expanding line of optical power and energy meters includes power meter consoles, a large selection of sensor heads, a wireless power meter with a built-in photodiode sensor, and a fiber optic power meter designed for use in the field. The consoles (PM100, PM400, and PM300 Series) when paired with our extensive line of power and energy sensors provide calibrated (NIST traceable) measurements across a broad range of powers, energies, and wavelengths. The console(s) and sensor(s) can be purchased individually or as bundles based on our most popular console and sensor pairings. The sensor calibration data is stored in the sensor head and is automatically read by the console, which allows the user to use multiple sensors with the same console. Compatible sensors are easily identified by the red c-series connector. All of our old A/B-Type sensors are available with the new connector; plus, we have continued to expand our power and energy sensor product lines.
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Adjustable Range Reflective Photoelectric Sensor
EQ-30
Panasonic Industrial Devices Sales Company of America
The compact EQ-30 Adjustable Range Reflective Photoelectric Sensor is only 68 x 20 x 40mm but delivers amazing performance. Normal Reflective Type Sensors operate by sensing the variation in the amount of incident beam. However, the Adjustable Range Reflective Sensing Type Sensors, incorporate a 2-segment photodiode to sense variation in the incident beam angle. Thus, the output is activated according to the distance of the object from the Sensor. This system helps the EQ-30 Series to be unaffected by object color or a background, enabling stable sensing. The robust housing offers IP67 protection allowing the EQ-30 Sensor to be used in the most demanding industrial environments.
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Detectors
Thorlabs' photodetectors are capable of detecting light throughout the UV, VIS, NIR, IR, and THz spectral regions. Our photodetectors feature sensors that enable properties such as intensity, power, intensity distribution, wavefront shape, energy, and wavelength to be measured. We offer unmounted photodiodes as well as amplified, biased, and avalanche photodetectors. Thermal power detectors are available unmounted, mounted on a PCB, or mounted on an aluminum plate. Also available are position-detecting sensors, integrating spheres, and an acoustic detection module.
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Silicon Pyranometer
LPSILICON-PYRA04
Pyranometer with silicon photodiode for measuring the GLOBAL SOLAR IRRADIANCE, diffuser for cosine correction. Spectral range 400…1100 nm.
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Streak Camera
OptoScope S3C-1
The S3C-1 is a streak camera based on a semiconductor sensor. Like tube-based streak cameras, the S3C-1 captures changes in light along a line and records the change over time. To record the intensity values, they are sampled and stored with up to 2 GSamples/sec. The line is 65 µm wide and consists of 200 elements along its 5 mm length. Each element consists of a sensitive photodiode with a downstream amplifier.A new and special camera feature is continuous recording. This makes it possible to take recordings of events for which precise information about the time of their occurrence only becomes available after they have taken place. This "post-triggering" simplifies or allows certain applications.
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Light-to-Analog Sensors (Current)
Renesas' light-to-current silicon optical sensors combine a photodiode array and current amplifiers on a single monolithic IC. These devices are ideal for display and keypad dimming, as well as industrial and medical light sensing applications.
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PD-200 High-Speed High-Power Photodetector
These high speed photodiode, PD-200, is hermetically sealed, high reliability, low harmonic distortion photodiode modules designed for high optical power applications with minimum bandwidths of 20 GHz. The device is well suited for receiver applications with optical pre-amplification, and is available either with or without an internal 50Ω termination. The photodiode module is available in either a V-connector package or a miniature surface mount package with CPW (coplanar waveguide) RF output.
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Colorimeter
CM 10
Instrument Systems Optische Messtechnik GmbH
The CM 10 from the Instrument Systems Optronik line is a precise tristimulus colorimeter for a wide range of light sources. It features an impressively high signal dynamic range and a wide measuring range of up to 600 klx. The colorimeter head of the CM 10 contains four silicon photodiodes with full-glass filtering for the Xred, Xblue, Y and Z tristimulus functions. This permits particularly precise correction.
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UV Index Measurement
The sglux UV-Index sensors measure the UVI with a worldwide unique low measurement uncertainty of less than 5 %. This makes our sensors compliant to the highest measurement precisions class one according the DIN/EN 5031-11, chapter 8. Since 2018 our product UV-Cosine_UVI (ERYCA) is appointed for public authority tasks: The German Federal Office for Radiation Protection (BfS) services 27 measurement points in Germany for public information of the daily UV-Index. Twenty of these points (Andernach, Chieming, Duderstadt, Fichtelberg, Genthin, Giessen-Wettenberg, Schauenburg-Kassel, Langen, Lueneburg, Munchen-Neuherberg, Norderney, Belm/Osnabrueck, Schauinsland, Tholey, Todendorf, Waldhof-Falkenstein, Waldmuenchen, Wurmberg, Zingst and Zirchow) use the sglux ERYCA to obtain the local UV-Index value. In 2017 ARPANSA (Australian Government’s primary authority on radiation protection and nuclear safety) began replacing the existing biometers with SiC photodiode UV sensors (sglux ERYCA) at all network sites. There are currently thirteen measurement sites in Australia that have been upgraded to the new sensors.
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Phototransistors
Phototransistors are photodiode-amplifier combinations integrated within a single silicon chip. The phototransistor can be viewed as a photodiode whose output current is fed into the base of a conventional transistor. These photodiode-amplifier combinations are put together to overcome the major limitation of photodiodes: unity gain. The typical gain of a phototransistor can range from 100 to over 1500.
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350 MHz Preamplifier
SIM914
Stanford Research Systems, Inc.
The SIM914 350 MHz Preamplifier contains two wide-bandwidth, DC-coupled amplifiers, each with a gain of 5 (14 dB). Its fast rise time, low noise and excellent DC accuracy make it an ideal instrument for amplifying signals like those from photomultiplier tubes and photodiodes.
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*Photodiode Energy Sensors
Ophir photodiode laser energy sensors are able to measure low energy pulses down to 10pJ at frequencies up to 20 kHz. Silicon photodiodes for the UV and visible spectrum and Germanium photodiodes for infrared.
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2x8 Coherent Mixer With Single-ended Photodetectors
This page defines the requirement of a special coherent receiver with 8 single-ended photodiode outputs, per customer request. The coherent mixer, consisting of two polarization-diversified 90deg optical hybrids, a polarizing beam splitter and a beam splitter, is exactly same as existing DP-QPSK coherent mixer, and therefore offering same optical performance.
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Linear Array Detector Cards
X-Card 0.2 to 2.5mm
A product family of high performance linear X-ray detector cards with preamplifier ASICs. The preamplifier ASIC converts the charge output from the photodiode array into voltage with serial output for easy integration with readout electronics. Can be arranged end-to-end to form large linear detector arrays.
