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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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10G APD Photodiodes
Macom Technology Solutions Holdings Inc.
MACOM offers the highest sensitivity avalanche photodiodes (APD) on the market to satisfy 10Gtelecom and datacom applications. Both front-illuminated and back-illuminated chips are available and usable from 1250 to 1650 nm for bit rates up to 11.3 Gb/s. Proprietary designs enable superior bandwidth, excellent temperature stability and high reliability to support market needs.
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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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Low Input Bias Current Op Amps (≤100 pA)
Low input bias current op amps are required whenever the difference of currents or voltage is small and needs to be measured accurately. These op amps are used so that the signal is not loaded down by the input of the op amps. Low input bias current op amps are critical for interfacing sensors in applications from photodiodes, pH meters, or other electrometer related functions to downstream electronics. Analog Devices has many precision op amps that fit the definition and range of these applications.
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Avalanche Photodiodes
Excelitas offers Avalanche Photodiodes (APDs) on both Silicon (Si) and InGaAs materials. Si APDs cover the spectral range of 400 nm to 1100 nm and the InGaAs APDs cover 950 nm to 1550 nm. An Avalanche Photodiode (APD) provides higher sensitivity than a standard photodiode and is for extreme low-level light (LLL) detection and photon counting.
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Photometers & Colorimeters
Instrument Systems Optische Messtechnik GmbH
A photometer is used to measure the photometric quantities of illuminance (lx), luminous intensity (cd), luminous flux (lm), and luminance (cd/m²). The integral method and the fast response time of silicon photodiodes means that photometers can achieve an outstanding measuring speed. They are therefore ideal for performing fast goniophotometric measurements. We take great care in the development and production of photometer heads and use innovative amplifier technologies.
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Transducers For Photodiodes
Photodiodes convert incoming electromagnetic radiation into electrical charge carriers. If photodiodes are short circuited an electrical current (photocurrent) proportional to the incident radiation intensity (number of photons per second) is induced. These photocurrents are generally small and cover the range from femtoampere (fA) to microampere (µA). Signal transducers transform this weak photocurrent to robust standard signals for reliable data transmission and simple data acquisition.
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Colorimeter
K10-A
The Klein K10-A has long been regarded as the industry standard in LCD calibration. It's enhanced optics give it a 3X advantage in sensitivity over the original K-10 SF. Known for it's superior speed, the K10-A can stream intensity data in 3.2 milliseconds, and can provide color data in 125 milliseconds. The Klein K10-A is also extremely sensitive and color accurate. Large photo-diodes give the probe superior performance even in extremely low light (down to 0.00006 cd/m2). Klein diodes are very large; 5mm x 5mm each, and are thermally stable and linear to report the highest degree of accuracy. The unparalleled speed and iconic design of this colorimeter have made it the most widely known Klein product.
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Power Meter
TW3211
Techwin(China) Industry Co., Ltd
TW3211 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 optical fibers. A Ø1.0mm photosensitive area photodiode is used to significantly improve the stability and the reliability. It features ingenious appearance, a wide range of power measurement, high accuracy, an user self-calibration function and a reference power level storage.
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PIN Diodes
PIN photodiodes convert light to current – without a bias voltage having to be applied. Silicon is commonly used as an inexpensive detector material in the Vis range. For higher demands, InGaAs is used; it covers the widest spectral range from the Vis to the NIR. We offer silicon carbide as a “solar-blind” detector specifically for the UV range.
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Charge Integrator Amplifiers
AD8488
Analog Devices’ charge integrator amplifiers convert the charge acquired by X-ray or photodiode detectors to a voltage. The channels are composed of CMOS transistors, using typical high input impedance CMOS gates. The integrators generate charge dependent voltages using a range of selectable capacitance values that accommodate a broad range of input charge values. The integrators are followed by single-ended input to differential output voltage amplifiers where offset and low frequency noise voltages are subtracted from the input voltages.
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Light Meter
Lumu Light Meter incorporate two state of the art sensors. True color sensor, based on the color standard CIE 1931/DIN 5033, and fast silicon photodiode capturing light at astonishing 750 000 measurements/second. Each Lumu Light Meter is calibrated before leaving the manufacturing line and comes with calibration certificate.
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Full Range Photodiode Array UV-VIS-NIR-SWIRLaboratory Spectroradiometers
The SR-Series of full range laboratory spectroradiometers is ideal for a wide range of applications, including:*Solar radiance and irradiance measurements*Solar simulator test and classification*LED, laser, light source metrology*Radiometric calibration transfer*Remote sensing applications
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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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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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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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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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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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16-element Si photodiode array
S12362-321
The S12362/S12363 series is a back-illuminated type 16-element photodiode array specifi cally designed for non-destructive X-ray inspection. These are modified versions of our previous products (S11212 series: 1.575 mm pitch). The pitch has been changed to 2.5 mm. The back-illuminated photodiode array is also simple to handle and easily couples to scintillators without having to worry about wire damage because there are no bonding wires and photosensitive areas on the back side.
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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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*Divergent Light Measurement
The IS1.5-VIS-FPD-800 & IS1.5-IRG-FPD-800 contain 2 photodiodes: a calibrated photodiode for precise power measurement using Ophir meters and a fast photodiode with integral reverse bias circuit for temporal characterization using third-party instrumentation such as oscilloscopes and spectrum analyzers. Their small, 1.5" internal diameter preserves the temporal shape of pulses down to 3.5 nsec for VIS and 6 nsec for IRG. An SMA fiber optic connector is provided for connection to a spectrometer. The large, 20 mm input aperture allows for wide acceptance angles and long working distances, making these spheres well suited for testing VCSELs and other types of laser.
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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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Handheld Laser Power & Energy Meter
Nova ΙΙ 7Z01550
*Compatible with all standard Ophir Thermopile, BeamTrack, Pyroelectric and Photodiode sensors.*Large, high definition LCD display.*Both digital and analog needle display.*USB and RS232 output to PC with Statistics package.*Select between English and Japanese interfaces*Analog output.*Soft keys and menu driven functions with on line help.*Log every data point at up to 4000Hz with pyroelectric sensors.*Non-volatile data storage up to 59,400 points.*Laser tuning screen and power log.*2 position kickstand.*System Integrator Tools included: LabVIEW VIs, COM Object Interface.
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PIN Photodiode
PIN photodiode is a kind of photo detector, it can convert optical signals into electrical signals.This technology was invented in the latest of 1950's. There are three regions in this type of diode. There is a p-region an intrinsic region and an n-region. The p-region and n-region are comparatively heavily doped than the p-region and n-region of usual p-n diodes. The width of the intrinsic region should be larger than the space charge width of a normal p-n junction. The PIN photo diode operates with an applied reverse bias voltage and when the reverse bias is applied, the space charge region must cover the intrinsic region completely. Electron hole pairs are generated in the space charge region by photon absorption. The switching speed of frequency response of photo diode is inversely proportional to the life time. The switching speed can be enhanced by a small minority carrier lifetime. For the photo detector applications where the speed of response is important, the depletion region width should be made as large as possible for small minority carrier lifetime as a result the switch speed also increases.
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OLED Life Time Test System
A system for measuring measurement items (brightness and so forth through Voltage, Current, and Photodiode) and their lifetime in intervals of set time, while supplying power to multiple (32 Channel) OLED panel stably.
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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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10G APD Photoreceivers
Macom Technology Solutions Holdings Inc.
MACOM offers high-sensitivity avalanche photodiode (APD) based photoreceivers in a variety of packages, including ROSA, OEM module and instrument-style. A wide range of 10G solutions are available with both multimode and single-mode fiber-coupled products.
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High End Portable Laser Power/Energy Meter
Centauri Single Channel P/N7Z01700
*Compatible with all standard Ophir Thermal, BeamTrack, Pyroelectric and Photodiode sensors*Large 7" Full Color Touch Display*Multilingual interface – English, French, Spanish, Italian, German, Russian, Japanese, Chinese and Korean*Single and Dual Channel models available*Various Displays: Bargraph, Analog Needle, Line Plot, Pulse Chart, Pass/Fail, Position, Stability, and Real Time Statistics*Dual Channel Instrument supports Split and Merged Graphical Displays*Sophisticated power and energy logging, including logging every pulse at up to 25000Hz with Pyro sensors*Math functions: Density, Scale Factor, Normalize against base line, etc. Functions can be mixed together, displayed graphically, and can also be logged
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Two -Dimensional PSD
Functions according to the Lateral Effect Photodiode principle. It is an analogue device and therefore displays excellent position resolution. The resolution is determined by the system signal-to-noise ratio. It is operated in the biased mode. Typical applications include: distance andheight measurement, alignment, position and motion measurements and vibration studies
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Photodiodes
Avalanche
Similar to photomultipliers, avalanche photodiodes are used to detect extremely weak light intensities. Si APDs are used in the wavelength range from 250 to 1100 nm, and InGaAs is used as semiconductor material in APDs for the wavelength range from 1100 to 1700 nm.
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High-resolution, SWIR megapixel camera
Wildcat+ 1280 Series
The Wildcat+ 1280 series is based upon a state-of-the-art InGaAs photodiode array with 1280×1024 pixels and 5 μm pixel pitch. The camera offers superior, high-resolution SWIR imaging capabilities, comes in a versatile and industry-proven Wildcat camera package (GenICam compliant) and offers advanced on-board image processing.The Wildcat+ 1280 camera outputs full frame images at 120 Hz via either a CameraLink or USB3 Vision interface.The Wildcat+ 1280 is suitable for semiconductor inspection, display inspection (mobile phone and TV), microscopy and laser beam analysis.Benefits & Features• Compact and industry-proven camera design• High-resolution SWIR imaging• Advanced on-board image processing performance• GenlCam compliant• Flexible optical mount and lens options
