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 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 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.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 Dictionarypositron emission tomographyA medical imaging device that uses a ring of crystal/photomultiplier tube assemblies encircling the patient to detect gamma rays emitted by positrons colliding with electrons.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 Dictionaryscintillation counterAn instrument designed to measure radiation indirectly through the use of several phosphors and a photomultiplier tube. The absorption of radiation by any phosphors results in light flashes that may...Photonics 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...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 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 DetectorsA scintillation detector is a radiation detection device that utilizes scintillation crystals to detect and measure ionizing radiation, such as gamma rays, x-rays, or charged particles. It consists...Photomultiplier Tube HousingsCOMPANIESPhotonics 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...