Photodiode
convert's light into current.
See Also: Diode, Laser Diode, Zener Diode, Diode Test, Photodiode Arrays
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Product
Photodiode Energy Sensors
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Our photodiode laser energy sensors are able to measure low energy pulses down to 10 pJ at frequencies up to 20 kHz. Silicon photodiodes for the UV and visible spectrum and Germanium photodiodes for infrared.
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Product
16-element Si photodiode array
S12362-321
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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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PIN Photodiode
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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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Product
*Photodiode Energy Sensors
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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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Product
Ultra-Low Noise 2 kHz Photoreceiver w/ Si-PIN Photodiode
PWPR-2K-SI
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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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Product
Pyranometer with Silicon Photodiode
LP471SILICONPYRA
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Pyranometer with silicon photodiade for GLOBAL SOLAR IRRADIANCE measurement.
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Product
Photodiode
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A high sensitivity receiver in a fiber pigtail coupled package, it includes a high speed InGaAs avalanche photodiode with a high gain TIA in a hermetically sealed coaxial package. It incorporates an LC/UPC pigtail and a flexible printed circuit (FPC). The signal GND and a receptacle are electrically isolated in this APD receiver.
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Product
Fiber Photodiode Power Sensors
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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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Product
Handheld Power & Energy Meter
Nova 7Z01500
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*Compatible with all standard Ophir Thermopile, Pyroelectric & Photodiode sensors.*Single shot energy measurement with thermal sensors.*Optional RS232 computer interface. Works with Ophir's StarCom32 application.*Power and energy logging with graphical display and statistics.*Laser Power Measurement averaging.*Easy to use soft keys, menu driven.*Screen graphics.*Backlight & rechargeable battery.*Analog output.*EMI rejection.*LabVIEW software included.
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Product
Laser Power / Energy Meter
StarBright 7Z01580
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*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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Product
Photodiode Burn-in Reliability Test System
58606
Test System
The Chroma 58606 PD/APD Burn-in system is a high density, multifunction and temperature controlled module based system for photo diode burn-in and lifetime test. Each module has up to 256 Source Measurement Unit channels which can source current and measure voltage in various scenarios such as one described below. The system can accommodate 7 modules for a total of 1,792 device channels.
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Product
High Speed Photoreceivers
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Macom Technology Solutions Holdings Inc.
MACOM offers 40G and 50G amplified PIN photoreceivers with high responsivity PIN photodiodes usable from 1200 – 1650 nm. These products are available in butterfly packages with single-mode fiber and coaxial output connectors.
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Product
Photodiodes
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Photodiodes are a type of detector, devices that generate an electrical signal when illuminated by light. ACP offers a variety of different types of photodiodes, including InGaAs PIN photodiodes.
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Spectral Light And Color Meter w/ Flicker measurement
BTS256-EF
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Spectroradiometer for the illuminance (photopic, scotopic, melanopic), spectrum, light color, color rendering index, and flicker. Cosine field of view illuminance measurement for accurate evaluation of extended illumination. Flicker measurement. Spectral measurement technology, required for LED light, color, color rendering, color effects. Photodiode for synchronization to pulse width modulated light and flicker measurement.
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Active Optical Connectors
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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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Product
Femtosecond Pump - Probe Transient Absorption System
Hatteras
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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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Product
Photodiodes
Avalanche
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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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Product
Silicon Pyranometer
LPSILICON-PYRA04
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Pyranometer with silicon photodiode for measuring the GLOBAL SOLAR IRRADIANCE, diffuser for cosine correction. Spectral range 400…1100 nm.
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Handheld Laser Power & Energy Meter
Nova ΙΙ 7Z01550
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*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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Product
350 MHz Preamplifier
SIM914
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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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PD-200 High-Speed High-Power Photodetector
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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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Product
FTTx Amplifiers
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Macom Technology Solutions Holdings Inc.
MACOM’s FTTx amplifiers are designed for PON, RFoG and SFU receiver equipment and are offered in small, plastic QFN packages with integrated amplifier and attenuator functions. All parts cover the full 45 to 1000MHz / 1200MHz CATV band. 5v and 12v solutions are offered with power consumption of ≤ 1.5Watts. MACOM’s FTTx amplifiers are characterized with industry standard photodiodes, covering optical input ranges from -12 to +3dBm and each sample EVK comes complete with a photodiode and APC connector.
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2 Micron InGaAs Photodiodes And Optical Receivers
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Discovery Semiconductors, Inc.
Discovery Semiconductors has a long, successful history with the commercialization of high speed, 2.2 um cutoff, uncooled, InGaAs SWIR photoreceivers. We introduced our DSC R202 PIN+TIA Receiver in February 2002 for the LIDAR community. In 2012, we expanded our product portfolio to include high speed photodiodes up to 20 GHz, and Linear Balanced Photoreceivers up to 18 GHz. These new receiver products will nicely complement the rapid advances in the 2.05 fiber lasers, thus spinning off new applications in diverse areas such as biomedicine, as well as environmental sensing.
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Detectors & Sensors
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Excelitas offers Photonic Detection Solutions ranging from Silicon and InGaAS PINs and Avalanche Photodiodes, Hybrid Receivers, and Photon Counting Modules to address high-performance, high-volume applications across a wide range of markets. Excelitas Thermal IR Sensors represent a broad range of Pyroelectric Detectors, Thermopile Detectors and IR Sensor Modules used for motion detection, presence monitoring, temperature measurement and gas detection.
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Charge Integrator Amplifiers
AD8488
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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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Phototransistors
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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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Product
Network OTDR
NFO series
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The NFO OTDR unit injects the laser pulse into the fiber under test and picks up scattered and reflected optical signals by an avalanche photodiode (APD). The unit accepts remote commands from Internet to control all related timing and data acquisition processes. Maximal three wavelengths are available at the NFO with options on 1310, 1490, 1550, and 1625 nm. NFO also has options on dynamic ranges so users can select the most cost effective units for their demands. Radiantech provides an easy use API (Application Program Interface) for NFO so users can design and build their own AP for NFO. Standard NFO API package is for Windows XP or higher. Please contact Radiantech’s sales person to inquire API for another OS.
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Laser Diode Drivers
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Arroyo Instruments offers a broad range of laser drivers to meet your exact test needs. From 100 milliamps to 100 Amps, all of Arroyo Instruments' LaserSource benchtop laser drivers include unique features not found on competing products such as optically isolated photodiode and modulation inputs, programmable PD bias, and both RS232 and USB computer interfaces. The LaserSource also has laser diode protection circuits such as interlock, ESD protection, and hardware limits for current and voltage.
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Gesture, Color Sensors & Proximity Detection
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The gesture product family performs advanced gesture detection, proximity detection, digital Ambient Light Sensing (ALS) and color sensing (red, green, blue and clear). It also implements optical pattern generation for barcode transmission and remote controls. The gesture sensor modules provide a highly integrated solution offering five essential functions to enable a touchless interface and to optimize the end user experience of communications and consumer electronics equipment. Gesture detection uses four directional photodiodes to sense IR energy emitted from the integrated LED, converting the measurements of reflected IR light into information about physical
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Linear Array Detector Cards
X-Card 0.2 to 2.5mm
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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.
