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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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*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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Spectral Response (Spectral Sensitivity) Measurement
It is used to measure the spectral response (spectral sensitivity) of photoelectric conversion devices (photodetectors / sensors) such as silicon photodiodes and CCD · CMOS image sensors . Measurement in the broadband wavelength region can be performed with low stray 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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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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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-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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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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Ambient Light Sensors
Renesas' ambient light sensors optimize display backlighting, enhance energy efficiency, and improve user experience with ultra-low light sensitivity, low power consumption, and precise spectral response. Our offerings include light-to-digital sensors with IR blocking filters and I2C interfaces, and light-to-analog solutions integrating photodiodes and amplifiers. Designed for automotive, industrial, and medical applications, these sensors deliver reliable performance even in demanding environments.
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Benchtop Femtosecond/Picosecond Lasers and Amplifiers
The systems feature a portable design with user-friendly front panel control knobs for adjustment of output parameters, such as power, pulse width and repetition rate. With wavelength options of 780 nm, 850 nm, 1310 nm, and 1550 nm, pulse widths as low as < 0.3 ps, and GHz low-jitter synchronization signals, these systems provide ideal optical sources for high speed transceiver conformance testing and photodiode characterization.
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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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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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Light-to-Analog Sensors (Voltage)
Renesas' light-to-voltage silicon optical sensors combine a photodiode array, a non-linear current amplifier and a micropower op amp on a single monolithic IC. Applications for these devices include display backlight control, keypad dimming, anti-glare mirror systems, and industrial and medical light sensing applications.
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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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Hybrids
ACP's hybrid devices combine the function of multiple components into one small form-factor package. Examples include Wavelength Division Multiplexer (WDM) / Tap Coupler / Isolator hybrids, Photodiode / Tap Coupler hybrids, and Polarization Maintaining Beam Splitter / Circulator hybrids.
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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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SparkFun Opto-isolator Breakout
This is a board designed for opto-isolation. This board is helpful for connecting digital systems (like a 5V microcontroller) to a high-voltage or noisy system. This board electrically isolates a controller from the high-power system by use of an opto-isolator IC. This IC has two LEDs and two photodiodes built-in. This allows the low-voltage side to control a high voltage side.
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Gesture, Color Sensors & Proximity Detection
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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Light Analysis
Welcome to Thorlabs; below you will find links to detectors and instrumentation that measure the various properties of light, a subset of our entire line of photonics products. Thorlabs offers an extensive selection of instruments that measure the properties of light. Our versatile power and energy meters can be used with over 25 different sensors in order to make NIST-traceable power and energy measurements. If the convenience of a meter is not desired, our selection of detectors includes basic photodiodes (uncalibrated and calibrated), photodetectors (biased, amplified, and avalanche), CCD and CMOS arrays, position detectors, integrating spheres, and photomultiplier tubes. The Beam Characterization category contains beam profilers (camera and scanning slit), a wavefront sensor, spectrometers, and interferometers, while the Polarimetery link leads to a selection of instruments used to measure and control the polarization of light.
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Gated Integrator | Boxcar Averager
GIA100
Artifex Engineering GmbH & Co. KG
The GIA100 gated integrator employs dual monolithic switched integrators. When paired with a photodiode, the boxcar amplifier measures the energy of single optical pulses. The GIA100 design results in very low leakage error, charge injection error and pickup. The precision input stage may be configured for current or voltage inputs.
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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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Pyranometer with Silicon Photodiode
LP471SILICONPYRA
Pyranometer with silicon photodiade for GLOBAL SOLAR IRRADIANCE measurement.
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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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Light Sensor
NaPiCa
Panasonic Industrial Devices Sales Company of America
Visible light sensor (Silicon Photo IC) that detects light and converts into electrical current. Consists of a photodiode and built-in amplifier. Optical filter provides spectral response similar to human eye sensitivity. Applications include: LCD Backlight Control, Commercial and Residential Lighting Brightness Control, Security Lighting.
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Laser Diode Drivers
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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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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Low Input Bias Current Amplifiers (<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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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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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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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.
