Request InfoTerahertz Technologies Inc.The PDA-750 photodiode amplifier is a low-noise, high-gain transimpedance amplifier that is designed to provide a direct digital readout of the current generated from a photo-diode, photomultiplier or similar current source. Applications include readout for unity quantum-efficient detectors, characterization of detector dark current, spectral calibration of detectors and sensitive high-precision optical power measurement.See full productRelated content from Photonics MediaPRODUCTSPhotonics Spectra May 2024 IssuePIN PhotodiodeThe VEMD2704 from Vishay Intertechnology is a silicon PIN photodiode that can be used with green LEDs for optical heart rate detection and red LEDs for pulse oximetry applications. Coming in a 2.0 mm...Photonics Spectra February 2024 IssueAnalog Front End SensorThe AS7058 from ams OSRAM is an analog front end (AFE) that uses photoplethysmography (PPG) signals to improve the reliability and accuracy of wearable devices. Producing an optical signal-to-noise...Promoted Content January 2024 IssueJ744 Compact Analog Optical-to-Electrical ConverterThe J744 includes a fast fiber-coupled photodiode, a transimpedance amplifier, an output amplifier, and power supplies. Output is nominally 1 volt per milliwatt of optical input when driving a...Photonics Spectra October 2022 IssueLaser Power MeterThe LabMax Touch Pro laser power meter from Coherent Inc. makes data acquisition and analysis for nW continuous wave lasers up to multi-kW, pulsed industrial lasers easy to access through an...ARTICLESPhotonics Spectra May 2023 IssueNovel Photodiode Cuts Excess Noise, Enhances Detection EfficiencyResearchers at the University of Sheffield designed and developed an avalanche photodiode (APD) with significant potential for low photon detection. The highly sensitive gallium arsenide...Photonics.com 10/14/2022Leonardo DRS Secures Army Contract; ZEISS Microscopy Strikes Contract: Week in Brief: 10/14/2022ARLINGTON, Va. — Leonardo DRS received a contract to produce its next-generation thermal weapon sights for the U.S. Army. The firm fixed-price contract from the U.S. Army Contracting Command is...Photonics Spectra November 2023 IssueNovel Integration Helps Solve Imaging BottleneckEngineers at imec have integrated a pinned photodiode (PPD) structure in thin-film image sensors. According to the researchers, the addition of a pinned-photogate and a transfer gate into the...Photonics Spectra October 2022 IssueHybrid Interferometer Achieves Record-breaking Strain ResolutionsResearchers at the University of Alabama in Huntsville (UAH) have invented an ultrahigh-resolution interferometer that is sensitive enough to detect weak acoustic signals that are too faint to be...PHOTONICS HANDBOOK ARTICLESPhotonics HandbookSelecting a Photodetector: Using WITS$ as a Rough GuideLight is a versatile tool for investigating physical and chemical processes in nature. Any specific system being analyzed may, through the light it emits or reflects, communicate information about...Photonics HandbookDetectors: Options for Low-Light ApplicationsDeveloped in the early 1990s, the silicon photomultiplier (SiPM) is a solid-state photodetector whose sensitivity to light rivals that of a photomultiplier tube (PMT) in a regime where a few hundred...Photonics HandbookSpectrum Analysis for DWDM: New Instruments Meet the ChallengeAs system and cable installers try to optimize their links, the preferred method has become high-speed DWDM. This demand for bandwidth has led to the development of new test and measurement...Photonics HandbookSilicon Photonics: Light Is the Ultimate Medium for High-Speed CommunicationsSilicon photonics is widely considered a key enabling technology for further development of optical interconnect solutions needed to address growing traffic on the internet. From the first submarine...WHITEPAPERSPhotonics.com 5/16/2022Power is Nothing Without "Pulse to Pulse" Laser ControlWe performed a measurement on different Fast and Ultrafast laser sources with our Blink HS, a new generation of High Speed Laser Energy Sensor. We showed the “Turn on” transient effects, the “pulse...Photonics.com 10/13/2023Unveiling Insights: Remote Sensing Mapping Laser SolutionsExplore Lumispot Tech's advanced remote sensing mapping laser solutions, enhancing geospatial technology and insights. Delve into our capabilities in satellite imagery, aerial mapping, and spatial...Photonics.com 10/13/2023Lumispot Tech Laser Solution- Pulsed Fiber Laser For Automotive Laser LIDAR EquipmentLumispot Tech Laser Solution - Light source of 1550 nm/1535 nm pulsed fiber laser for laser lidar used in unmanned driving, with the function of ranging, detection etc.Photonics.com 2/21/2024InGaAs PIN PhotodiodeBased on the skilled InGaAs processing, CLPT is able to provide a series of high-quality large area InGaAs PIN photodiode chips with apertures of 0.3, 0.5, 1, 2, 3, and 5mm.WEBINARSPhotonics.com 4/12/2023Machine Vision with Collaborative RobotsVision-guided robots date back to the beginning of the modern industrial robot age in the early 1980s. Using vision to guide a robot has consistently been a method to add the sense of sight to a...Photonics.com 5/21/2015Silicon Photomultipliers, Single Photon Avalanche Diodes, and PMT’s – So what’s the difference anyway and why should I care?The Single Photon Avalanche Diode (SPAD) and the Silicon Photomultiplier (SiPM) are no longer just theory or for lab testing and poster presentations. Today they are being widely designed into some...Photonics.com 1/17/2019SiPM and SPAD: Emerging Applications for Single-Photon DetectionThis webinar will provide a thorough overview of silicon photomultipliers (SiPMs) and single-photon avalanche photodiodes (SPADs) for low-light level photodetection. We will discuss how these sensors...Photonics.com 9/30/2020Infrared Photodetectors: Theory, Practice, and ApplicationsA great deal of information about the physical world, from the cosmos to DNA, comes to us in the form of infrared radiation (IR). Human-made systems, such as automotive lidar, thermal-vision cameras,...PHOTONICS DICTIONARY+ TERMSPhotonics Dictionarydetector arrayA detector array refers to a collection of individual detector elements arranged in a two-dimensional grid or matrix format. Each element within the array is capable of detecting electromagnetic...Photonics DictionaryphotodetectorA photodetector, also known as a photosensor or photodiode, is a device that detects and converts light into an electrical signal. Photodetectors are widely used in various applications, ranging from...Photonics Dictionaryquantum efficiencyQuantum efficiency (QE) is a measure of the effectiveness with which a device or system, typically in the context of photonics or electronics, converts incoming photons (light) into a useful output...Photonics Dictionaryvacuum ultraviolet detectorA device that serves to detect the presence of vacuum ultraviolet radiation. It may be photographic film, a thermopile, ion chamber, vacuum photodiode, photomultiplier or channel electron multiplier.VIDEOSPhotonics.com 5/2/2022Applied Scientific InstrumentationEstablished in 1990, Applied Scientific Instrumentation is a reknown American company committed to the advancement of science. ASI products have been thoroughly tested and evaluated in numerous labs...Photonics.com 7/28/2020Introduction to Photodetectors - Hamamatsu CorporationPhotodetectors—such as photodiodes (PDs), avalanche photodiodes (APDs), photomultiplier tubes (PMTs), and silicon photomultipliers (SiPMs)—are essential components in a vast array of modern...Photonics.com 2/21/2018Photonics on the Showroom Floor and in the Lab - LIGHT MATTERS 02.2018On this month's episode of Light Matters, we take you on a brief tour of the Higgins Laboratories at Worcester Polytechnic Institute (WPI). Quinsigamond Community College and WPI received a $4M grant...Photonics.com 9/28/2017Light Matters Extra: Optics & Photonics Technology Program, STCC - 09.2017In this month’s Light Matters Extra, we take you to the Springfield Technical Community College campus and introduce you to Professor Nick Massa, who has been teaching Optics and Photonics there for...PHOTONICS BUYERS' GUIDE CATEGORIESPhotomultiplier TubesA photomultiplier tube (PMT) is a highly sensitive vacuum tube that detects and amplifies low levels of light. It is widely used in various applications where high sensitivity, fast response times,...Photomultiplier Tube ShieldsPhotodiodesA photodiode is a two-electrode, radiation-sensitive junction formed in a semiconductor material in which the reverse current varies with illumination. Photodiodes are used for the detection of...Photomultiplier Tube HousingsCOMPANIESPhotonics Buyers' GuideTeledyne Judson TechnologiesTeledyne Judson Technologies (TJT) is a global leader for IR sensors from the Visible to VLWIR spectrum. Two-dimensional FPAs (InGaAs, InSb, and MCT) and Integrated Dewar Cooler Assemblies (IDCAs)...Photonics Buyers' GuideHamamatsu CorporationHamamatsu Corporation is the North American subsidiary of Hamamatsu Photonics K.K. (Japan), a leading manufacturer of devices for the generation and measurement of infrared, visible, and ultraviolet...Photonics Buyers' GuideExcelitas Technologies Corp.Excelitas Technologies® Corp. is a leading industrial technology manufacturer focused on delivering innovative, market-driven photonic solutions to meet the illumination, optical, optronic,...Photonics Buyers' GuideOZ Optics LimitedEstablished in 1985, OZ Optics is a leading worldwide supplier of fiber optic components, test equipment and sensors. OZ Optics manufactures its products in three locations, Ottawa (Canada),...