Prefixes for Binary Multiples The International Electrotechnical Commission (IEC) in 1998 approved as an IEC International Standard names and symbols for prefixes for binary multiples for use in the fields of data processing and data transmission. Factor Name Symbol Origin Derivation 210 kibi Ki kilobinary: (210)1 kilo: (103)1 220 mebi Mi megabinary: (210)2 mega: (103)2 230 gibi Gi gigabinary: (210)3 giga: (103)3 240 tebi Ti terabinary: (210)4 tera: (103)4 250 pebi Pi petabinary: (210)5 peta: (103)5 260 exbi ...Read full articleRelated content from Photonics MediaPHOTONICS HANDBOOK ARTICLESPhotometric UnitsPhotometric Units SI Units Quantity Unit Luminous flux lumen lm Luminous intensity candela cd Luminance cd/m2 Illuminance lm/m2 lx Non-SI Units Luminous Intensity ...Photonics HandbookDensityConversion Table – Density to Percent Transmission Density – % Transmission (Opacity x % Transmission = 100) Density Opacity %T 0 1.0 100 0.1 ...Photonics HandbookGreek AlphabetTable of the Greek alphabet and what the letters are commonly used to designate. Name Capital Small Commonly Used to Designate Alpha A α Angles, coefficients, attenuation...Photonics HandbookChemical Symbols for the ElementsChart of the first 103 chemical symbols for the elements. Chemical Symbols for the Elements Ac Actinium Cr Chromium In Indium P Phosphorous Sn Tin Ag Silver Cs Cesium Ir Iridium Pa ...Photonics HandbookWEBINARSQuanta Image SensorsDemand for high sensitivity and high dynamic range motivates new approaches for image sensors. The quanta image sensor (QIS) concept involves counting individual photons on sensors made of 1...Photonics.com 1/28/2015Robotic Collision Avoidance: When Accidents Are Not an OptionJoin us for a FREE webinar! Tim Dykstra, product sales manager for Concept Systems Inc., provides a detailed overview of the technologies and systems that can be used to avoid dangerous...Photonics.com 7/28/2016Light Advances in BiomedicinePost-webinar notes Additional questions and answers Q: Have you tried using solid state Si APD or SiPM instead of PMT in your CD Radiometer or two photon spectroscopy? A: No, used S-...Photonics.com 4/9/2014Optimize the Signal Acquisition for Optics and Photonics MeasurementsOptical measurements are ideally suited to study the smallest changes in a parameter or a signal of importance to a physical system. This is the case for the minuscule length changes tracked by...Photonics.com 6/23/2020PHOTONICS DICTIONARY TERMSfrequency shift keyingIn digital data transmission, the separation of the two binary states into output at two frequencies.EDU.photonics.com 9/8/2009coded discA reticle carrying patterns of various forms that can be rotated in an optical beam to cause variations in the intensity of the beam. It also is used in infrared detectors to scan the object field...EDU.photonics.com 9/8/2009averaged threshold receiverA receiver for optical communications systems consisting of a symmetric binary, pulse-code-modulated transmitter, a log-normal channel and an array of independent photocounting detectors that yield...EDU.photonics.com 9/8/2009bitA contraction of binary digit; the fundamental unit of digital computing, a bit is either 1 or 0, expressing the binary state of on or off, true or false, etc.EDU.photonics.com 9/8/2009PHOTONICS BUYERS' GUIDE CATEGORIESDiffractive LensesDiffractive lenses are any optical device that utilizes diffraction in an image-forming capability. Familiar diffractive lenses are zone plates, holographic lenses, kinoform lenses and binary optics.Binary OpticsBinary optics are optical elements, often created by micromachining, lithography or vacuum deposition, that rely on diffraction of the collected energy as opposed to the more common refracting or...Optical DisksHexapodsCOMPANIESFOCtek Photonics Inc.FOCtek provides customers with all types of custom manufactured lenses, Precision Optical Components, Polarizing Optics, Prisms, Filters, Coatings, Optical Systems, Crystals, Nonlinear Crystals,...Photonics Buyers' GuideLaCroix Precision OpticsOptics that Defend, Build, Cure and Discover The LaCroix name is synonymous with quality precision optics. Since 1947, three generations of family leadership have placed LaCroix Precision Optics...Photonics Buyers' GuideMeller Optics Inc.Meller Optics has been providing high quality optics to defense, medical, laser and industrial markets for over 50 years. Specializing in grinding and polishing of hard, durable materials such as...Photonics Buyers' GuideOhara Corporation, Western OfficeOhara manufactures precision optical glasses: strip/slab, cut/molded blanks, pressings, high homogeneity blanks, fine gobs, polished ball lenses, near-UV transmitting i-Line glass, ceramic...Photonics Buyers' Guide