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.com 2/23/2024PIN 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...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 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...Photonics Spectra September 2023 IssueMultisensor Metrology SystemThe SmartScope® E45 floor model multisensor metrology system from Optical Gaging Products is an automatic digital zoom device. The E45 features the fixed lens IntelliCentric™ optical...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 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.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 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 HandbookPhotometry: The Answer to How Light Is PerceivedThat portion of the spectrum that the eye can see — and its rainbow of colors — is rather small, covering approximately 360 to 830 nm. 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It highlights the advantages of monolithic, hollow retroreflectors which do not suffer from chromatic...Photonics.com 10/16/2023Lumispot Tech FOGs Coil Application In Inertial NavigationFiber Optic Gyro Coil - The Core components of FOG used in inertial navigation field.Photonics.com 12/15/2023Mini Size 1535-nm Eye-safe Laser Rangefinder Module for Distance SensorThe Lumispot Tech LSP-LRS-0310F is a compact and lightweight laser rangefinder module, notable for being the smallest of its kind, weighing only 33 g. It is a highly precise tool for measuring...WEBINARSPhotonics.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 2/16/2022Single-Photon Detectors and Detection: SiPM, SPAD, SNSPD, PMT, TES, and Photon-Resolving Camera TechnologiesIncreasingly, photodetectors capable of detecting single photons are demanded by modern applications, including quantum computing, time-of-flight lidar, and dark matter detection. These applications...Photonics.com 1/11/2017Silicon Photomultiplier: Theory and PracticeThe silicon photomultiplier (SiPM), also known as Multi-Pixel Photon Counter (MPPC), is becoming a popular choice of a photodetector in applications where even single photons must be detected. The...Photonics.com 5/11/2021Photonics in Quantum Computing and Quantum NetworkingThis webinar with Peter McMahon, Ph.D., will describe how photonics plays a central role in several of the leading candidate technologies for building quantum computers and quantum networks. The...PHOTONICS DICTIONARY+ TERMSPhotonics 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.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 Dictionarydetector arrayA detector array refers to a collection of individual detector elements arranged in a two-dimensional grid or matrix format. 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Two-dimensional FPAs (InGaAs, InSb, and MCT) and Integrated Dewar Cooler Assemblies (IDCAs)...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' 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' 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),...