Request InfoHamamatsu CorporationSuitable for low-light-level-detection applications, including fluorescence spectrophotometers and immunoassays and SO2 monitoring, Hamamatsu Corp.'s R7517 is a nine-stage photomultiplier tube with a bialkali photocathode and a 28-mm-diameter UV glass window. It covers the spectral response range from 185 to 760 nm, has a minimum effective area of 8 × 24 mm and weighs 45 g. Peak quantum efficiency is 40% at 220 nm; typical cathode luminous sensitivity is 160 µA/lm; and typical cathode radiant sensitivity is 105 mA/W. Other specifications include anode sensitivity at 1000 V, 50-nA dark current...See full productRelated content from Photonics MediaARTICLESPhotonics Spectra April 2023 IssueHamamatsu Edges Closer to Compact Laser Fusion SourceBuilding on an existing multiyear R&D pursuit to establish technology that produces laser pulses at 250 J with a repetition rate of 10 Hz, Hamamatsu Photonics has developed a laser system that...WEBINARSPhotonics.com 12/1/2022The Laser-Driven Light Source: Theory, Practice, and ApplicationsNumerous applications require broadband light sources that have stable output, high brightness, stable spectral composition, and a high degree of spatial coherence. The traditional broadband light...Photonics.com 8/12/2021Toward Global Quantum NetworksThe internet has had a revolutionary impact on our world. The vision of quantum internet — capable of transmitting quantum information — will provide novel applications that are provably...Photonics.com 4/15/2021Introduction to Quantum Computer Hardware and ModalitiesQuantum computers hold the potential to address complex problems in fields such as material science, quantum chemistry, finance, and pharmaceuticals. How can we realize this promise, and what are the...Photonics.com 2/10/2021Fourier Transform Infrared (FTIR) Spectrometer: Theory, Practice, and ApplicationsFourier transform infrared (FTIR) spectroscopy is a spectroscopic technique that relies on optical interference to generate a spectrum. It enables spectral analysis covering a wide range, 1100 to...PHOTONICS DICTIONARY+ TERMSPhotonics Dictionaryphotoelectric fluorometerA filter fluorometer that uses a photomultiplier tube to detect the fluorescence of a sample.Photonics Dictionaryphotomultiplier tubeA 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,...Photonics Dictionarynight-vision deviceA device that uses low-level visible radiation or infrared radiation to produce a visual image of a night scene. These devices may rely on the amplification of existing visible light by...Photonics Dictionarycathode radiant sensitivityCathode radiant sensitivity refers to the ability of a photocathode to convert incident radiant energy, typically in the form of light, into an electrical signal. Photocathodes are components used in...VIDEOSPhotonics.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 BUYERS' GUIDE CATEGORIESPhotomultiplier Tube ShieldsPhotomultiplier Tube DetectorsPhotomultiplier 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,...Scintillation DetectorsCOMPANIESPhotonics 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...