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.com 9/18/2023Ion-Channel Plate ReaderThe Volta Scanner from Lumencor is an optical ion-channel plate reader. Optical transduction enables consistent, controllable, fast responses in a user-friendly platform. The high-throughput kinetic...ARTICLESPhotonics Spectra September 2022 Issue3 Quantum Startups Receive Cash InjectionsQuantum computing startup planqc closed a financing round of €4.6 million ($4.67 million) led by UVC Partners and Speedinvest. With the funding, planqc will develop a highly scalable quantum...BioPhotonics Mar/Apr 2024 IssueRaman Approach Safely Tracks Live-Cell RNA ExpressionSingle-cell RNA sequencing enables scientists to interrogate cells at extraordinary resolution and scale. However, the sequencing process destroys the cell, making it difficult to use the technique...BioPhotonics 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...BioPhotonics.com March 2024 IssueLuminate NY Names Cohort Seven CompaniesEmpire State Development has named the 10 companies selected to participate in round seven of the Luminate NY accelerator program, investment fund, and competition. Each finalist will receive an...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 HandbookUnderstanding Surface Quality: A Practical GuideSurface quality has become one of the most poorly understood specifications in the optics industry. A significant portion of the confusion stems from the two major competing (and largely...Photonics HandbookMeasuring Aspheres: Selecting the Best TechniqueThe benefits of aspheric lenses are numerous: They allow for a reduction in spherical aberrations and are ideal for focusing or collimating light, as they can achieve a low ƒ-number. Aspheres...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...WHITEPAPERSPhotonics.com 8/21/2023Extend Into DeepUV™ for Analysis Instrumentation at a Reasonable CostA revolutionary and proprietary way to manufacture highly efficient DUV Gratings for High Volume — at a reasonable cost. New non-etched fused silica gratings from 190 to 400 nm.Photonics.com 8/1/2023Deposition Sciences Inc. Dichroic Edge FiltersShort wave pass and long wave pass filters are a specialty of ours. Learn more...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 9/1/2022Precision Motion and How to Achieve ItNanoscale motion requires fastidious attention to instrumentation, passive controls, and experiment design. Most users have experience in motion control within the sphere of the microscale. In this...WEBINARSPhotonics.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.com 1/11/2022Computer-Generated Hologram Metrology Alignment: Challenges and SolutionsComputer Generated Hologram (CGH) metrology has several benefits, such as 1/100th wave accuracy and snapshot measurement time. However, alignment of aspheric and freeform parts in CGH setups can be...Photonics.com 7/20/2023Motorized and Calibrated Lenses for Machine Vision ApplicationsMany applications have benefited from motorized varifocal lenses that allow automatic or remote adjustment of focus distance and field of view. Applications may need to change the focal length or...Photonics.com 2/27/2019Emergence of Freeform Optics in Imaging Systems: A Leap ForwardFollowing a brief introduction, professor Jannick Rolland will discuss the historical context and applications for freeform optics. She will then present mathematical descriptions and the latest...PHOTONICS DICTIONARY+ TERMSPhotonics Dictionarymode-locked lasersMode-locking is a technique used in lasers to produce ultrashort pulses of light with durations on the order of picoseconds, femtoseconds, or even attoseconds. This method synchronizes the phases of...Photonics Dictionarymeteorological opticsPhotonics Dictionarylaser diode moduleA laser diode module is a compact device that incorporates a laser diode, optics, and often other components into a single package. These modules are designed to provide a convenient and efficient...Photonics DictionaryRuticonA ruticon is an opto-electronic device in which light going through it can be modulated by an electric field. The intensity distribution of the resulting image can be precisely controlled....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 5/27/2022Rainbow Research Optics LLC Introduction VideoRainbow Research Optics LLC Introduction VideoPhotonics.com 8/23/2023Optical Design from AvantierOur optical design team employs DFM principles to ensure optimal performance, cost-efficiency, and timely production of our solutions. Our state-of-the-art metrology ensures thorough testing of each...PHOTONICS BUYERS' GUIDE CATEGORIESLaser CollimatorsFiber Optic InterferometersVisible SpectrometersInfrared InterferometersCOMPANIESPhotonics 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' GuideOhara CorporationOHARA manufactures more than 130 environmentally safe optical glass types, free of both lead and arsenic. More than 300 tons of optical glass are melted per month, available in the following forms of...