Request Info4D Technology CorporationThe AccuFiz Fizeau, a compact interferometer manufactured by 4D Technology Corp., offers accuracy, quality and value for surface shape and transmitted wavefront quality measurements of optical components and systems. It provides accuracy at midspatial frequencies, enabling optics manufacturers to measure polishing artifacts that other interferometers miss. Features include a touch-screen remote, fully motorized controls and tool-free height adjustment. The Smart Zoom ensures repeatable lateral resolution at all zoom settings. Included 4Sight wavefront analysis software features an intuitive...See full productRelated content from Photonics MediaPRODUCTSPhotonics Spectra September 2022 IssueFizeau InterferometerThe AccuFiz® Fizeau interferometer from 4D Technology Corp. now features a 9-MP camera for higher slope tolerance through superior spatial resolution. AccuFiz instruments are used for...Photonics.com 6/7/2022MWIR InterferometerThe PhaseCam MWIR interferometer from 4D Technology Corp. is a dual-port device that measures optical surface shape and wavefront error at a 3.39-µm IR wavelength for fast acquisition with...Photonics.com 6/8/2022On-axis Dynamic InterferometerThe AccuFiz® D on-axis dynamic interferometer from 4D Technology Corp. features a 600-mm aperture beam expander, measuring remote cavities, optical thickness, and homogeneity, even in challenging...Photonics Spectra February 2023 IssueHolographic Grating SpectrometerThe HG10 Holographic Grating Spectrometer from Thorlabs Inc. is a fiber-based, high-speed device that provides sub-nm resolution in the 810- to 965-nm optical range. With an acquisition speed...ARTICLESBioPhotonics Nov/Dec 2023 IssueOptical Measurements Combine for Early Metastasis DetectionDiffuse in vivo flow cytometry (DiFC), an optical technique developed at Northeastern University, enables fluorescence detection of tumor cells circulating in the bloodstream. It is a promising...Photonics Spectra August 2023 IssueAIM Photonics to Offer Optoelectronic Testing ServicesAIM Photonics has launched its new Opto-electronic Testing Services, which the institute said features a full suite of advanced tools for testing photonic integrated circuits (PICs) and conventional...Photonics.com 5/13/2022Fluke Opens European Headquarters: Week in Brief: 05/13/22Rochester Institute of Technology (RIT) and SPIE have partnered to host the Photonics for Quantum 2022 event June 6-9 at the RIT campus. The four-day event will feature talks and research on a...Photonics.com 1/5/2024Targeted Spectroscopy Can Improve Treatment of Eye DiseaseA targeted spectroscopy system developed at Zilia Inc., by a team led by professor Dominic Sauvageau from the University of Alberta, enables concurrent imaging of the eye fundus — a region at...PHOTONICS HANDBOOK ARTICLESPhotonics HandbookOptical Delay Lines: Key to Time-Resolved MeasurementsOne of the most critical elements of any time-resolved spectroscopy and dynamics experiment is the optical delay line. A typical optical delay line consists of a retroreflector or folding mirrors on...Photonics HandbookAspheric Lenses: Design ConsiderationsAspheric surfaces are powerful tools that combine the optical corrections of multiple lenses into a single element (Figure 1) and affect performance in ways that spherical optics cannot. For example,...Photonics HandbookAspheric Lenses: Optimizing the DesignWith the understanding of aspheric lens manufacturing provided in part one of this article, designers have the tools to optimize their aspheres; the next step is to understand how to specify and...Photonics HandbookLaser Measurement Systems: Best PracticesGiven the pace at which technology advances, there always seems to be a learning curve. With the abundance of consumer electronics available, there typically is no right or wrong way to use these...WHITEPAPERSPhotonics.com 11/30/2022Shanghai Optics Design for Manufacturing (DFM) Case StudyShanghai Optics offers first-class Design for Manufacturing (DFM) services. We are proud of our track history helping customers improve product quality and reduce their manufacturing cost...Photonics.com 9/29/2023Accuracy in Optical DesignAnswering some common questions new users of optical design and analysis software have are “How accurate are the results?” or “Can I trust the results I get?” and discussing the importance of...Photonics.com 3/5/2024Addressing XR Device Optical Measurement ChallengesAddressing the measurement challenges of XR device optics: displays, lenses, and waveguides.Photonics.com 8/1/2023Deposition Sciences Inc. Bandpass DatasheetWideband or narrowband filters from the VIS to MWIR.WEBINARSPhotonics.com 7/20/2023Key Considerations in Objective Selection for Machine VisionMicroscope objectives are critical for high magnification machine vision applications such as semiconductor inspection. There are different key considerations when choosing the right objective...Photonics.com 12/5/2023Quantum Efficiency Measurements: Fundamentals for Solar Cell Research, Part 1In today’s energy-challenged world, clean energy topics are increasingly important, particularly with solar cell designs reaching new efficiency breakthroughs. This webinar series shares the...Photonics.com 1/20/2021Superpolished Optics: Fabrication and MetrologyAs our understanding of optical surface dynamics has improved, the definition of what constitutes a superpolished surface has evolved, although an exact definition is still debated and varies,...Photonics.com 9/26/2018Imaging Applications in Quantum ResearchQuantum technology, an exciting and evolving field combining physics and engineering, applies the properties of quantum mechanics to next-generation computing applications. It has the potential to...PHOTONICS DICTIONARY+ TERMSPhotonics DictionaryGaussian optics1. That branch of optics that illustrates the theory in which q is substituted for sin q in Snell's law. Effective results are achieved if the aperture and field angle are made very small. The...Photonics Dictionarydouble-clad fiberDouble-clad fiber (DCF) is a specialized optical fiber that features two concentric cladding layers surrounding a core. The design of double-clad fibers allows them to be used in various...Photonics DictionarydioptricsThe branch of optics that deals with the study of the refraction of light, particularly by the transmitting medium of the eye, and by lenses.Photonics Dictionarysecond-harmonic generationSecond-harmonic generation (SHG) is a nonlinear optical process that occurs when two photons with the same frequency combine within a nonlinear material, resulting in the generation of a new photon...VIDEOSPhotonics.com 10/3/2022Blackstone NEY Ultrasonics CleanveyorBlackstone-NEY CleanVeyor Ultrasonic parts washer utilizes a combination of spray, immersion, and ultrasonic cleaning technologies and has proven successful in achieving Six Sigma consistency in a...Photonics.com 7/19/2023Optical Design from AvantierAvantier delivers professional optical design consulting with innovative solutions by experienced engineers in custom design, analysis, modeling, and lens design. With over 50 years experience, our...Photonics.com 12/21/2022OPCO Laboratory, Inc. Facility TourTour of our Fitchburg, MA manufacturing facility.Photonics.com 5/27/2022Rainbow Research Optics LLC Introduction VideoRainbow Research Optics LLC Introduction VideoPHOTONICS BUYERS' GUIDE CATEGORIESFiber Optic Test SourcesMicropositionersInfrared CollimatorsIonization GaugesAn ionization gauge is a type of radiation detector that depends on the ionization produced in a gas by the passage of a charged particle through it. One of the best known is the Geiger-Müller...COMPANIESPhotonics Buyers' Guide4D Technology Corporation4D Technology designs and manufactures laser interferometers, surface roughness profilers, snapshot micropolarizer cameras, and handheld surface gauges, for accurate measurement of optics, optical...Photonics Buyers' GuideFOCtek 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' GuideOptikos CorporationThe Optical Engineering Experts® Optikos designs and manufactures metrology products for measuring and assuring optical image quality; and provides optical engineering design, development,...Photonics Buyers' GuideLaCroix Precision OpticsThe LaCroix name is synonymous with quality precision optics. Since 1947, three generations of family leadership have guided LaCroix Precision Optics to become the premier precision optics...