Valerie Coffey, Science Writer, [email protected]Cutting-edge laser technology and new techniques are enabling amazing diagnostic and treatment advances in ophthalmology. In 1981, Rangaswamy “Sri” Srinivasan, a researcher at IBM’s Thomas J. Watson Research Center, experimented with a pulsed argon fluoride (ArF) excimer laser on turkey leftovers, and lasers have had an ever-growing role in ophthalmology ever since. That landmark resulted in the first laser-based vision-correction techniques, including laser-assisted in situ keratomileusis (lasik) and photorefractive keratectomy (PRK) techniques. Ophthalmology uses...Read full articleRelated content from Photonics MediaARTICLESWorking Remotely? Dial In to a Photonics Media WebinarAs the days grow longer, so does our spring webinar schedule. This spring, there will be many opportunities to learn about the latest advancements and applications in photonics while you work at...Photonics.com 4/1/2020Smart Microscope Teaches Itself Settings for Diagnosing DiseaseEngineers at Duke University used machine learning to develop a microscope capable of adapting its lighting angles, colors, and patterns while teaching itself the optimal settings needed to complete...BioPhotonics Jan/Feb 2020 IssueDynamically Tunable 'Smartlens' Can Shape Light for Various FunctionsThe integration of an adjustable-dynamic zoom lens in a thin cellphone, in a miniaturized microscope, or at the remote end of a medical endoscope requires complex lenses that can handle the full...Photonics Spectra October 2019 IssueSpectroscopic Toolkit for Structural Biology Could Aid in Drug DesignA fluorescence-based imaging technique for monitoring single molecules could lead to a better understanding of how molecules are assembled, function, and interact, aiding in structure-guided drug...BioPhotonics May/Jun 2020 IssuePRODUCTSLight EngineThe ZIVA light engine from Lumencor Inc. features seven individually addressable lasers and advanced electronic control systems. The engine delivers high optical power, stability, and...Photonics Spectra February 2020 IssueFemtosecond Hybrid Fiber LaserThe Spectra-Physics® Spirit® 1030-140 femtosecond hybrid fiber laser from MKS Instruments Inc. delivers >140-W power and >600-µJ pulse energy with ultrashort <400-fs pulses in...BioPhotonics May/Jun 2020 IssueFluorescence Filter SetsThe ULTRA SERIES of Fluorescence Filter Sets from Alluxa Inc. was developed for use in real-time quantitative polymerase chain reaction applications such as COVID-19 testing. The series...Photonics Spectra August 2020 IssuePhotolithography SystemsThe PhableX™ line of photolithography systems from Eulitha AG is designed for the high-volume production of photonic products. The systems operate on the displacement talbot lithography...EuroPhotonics Winter 2020 IssuePHOTONICS HANDBOOK ARTICLESExcimer Lasers: Photonic Stamps with Micron Resolution: Representing today’s most cost-effective and dependable UV lasers, excimer lasers enable disruptive innovation in various growth industries.Excimers are pulsed gas lasers that deliver high output power and pulse energies in the ultraviolet and deep-ultraviolet wavelengths. This enables them to power applications that cannot be supported...Photonics HandbookAspheric Lenses: Design Considerations: This first of two articles will cover design and manufacturing options for aspheres; the second will include more detail on manufacturing and testing processes. These articles will provide the tools optics designers need to tailor their designs to the appropriate manufacturing process and to optimize the cost of component fabrication.Aspheric 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 HandbookExcimer Optics: High Power Demands High Reliability: The excimer laser’s shift to commercial applications has created a demand for higher power levels and increased reliability from the laser itself, thus creating a greater demand for industrialized optics to control, redirect, reshape and focus the intense UV radiation produced.The first high-reflectance mirror coatings for the UV and vacuum UV (VUV) were of the Al + MgF2 type produced in the late 1950s. Coatings of this design are still used today for multigas cavity...Photonics HandbookMicroscopy Illumination: Considering Nonlaser Light Sources: Metal halide and LED light sources are changing the illumination landscape in microscopy. Brighter, easier to use and growing in application, they are driving new options in fluorescence, conventional bright-field and other contrast techniques.As recently as five years ago, shopping for a microscope light source was fairly straightforward. For routine applications, it was tungsten halogen, typically 100 W, while for fluorescence, it was an...Photonics HandbookWHITEPAPERSLight Changes Matter – with Optics, Lasers and SensorsJenoptik is a global OEM supplier of solutions and products based on photonics technologies with more than 25 years experience in the fields of optics, laser technology, digital imaging,...Photonics.com 12/2/2020Colored Glass as a Versatile and Economical Means for Optical FilteringColored glass filters find many uses in optical systems including imaging, laser, and industrial equipment. We describe design and fabrication techniques for implementing low cost optical filters...Photonics.com 1/31/2020Tolerance Analysis Tools Take the Guesswork out of a Colorful Illumination Design ProblemTolerance analysis has largely been out of reach for illumination designers because of the time needed to perform the thousands of simulations required to get a meaningful statistical tolerance...Photonics.com 5/31/2019Using Imaging Colorimeters to Correct OLED, MicroLED, and Other Emissive Displays for Production Efficiency and YieldsImaging colorimeters can improve OLED and microLED display production by ensuring visual quality of displays — measuring brightness and color uniformity at the pixel and subpixel level to correct...Photonics.com 1/14/2021WEBINARSPhotonics for OphthalmologyPhotonics Media invites you to join us for our upcoming FREE digital conference, "Photonics for Ophthalmology." The event will feature several 15-minute online presentations on the use of light-based...Photonics.com 6/9/2016The Future of Imaging: Three PerspectivesPresenters: Professor Stephen Boppart The Future of Healthcare With Optical Biomedical Imaging A medical doctor and professor at the University of Illinois, Boppart's...Photonics.com 12/14/2011Biophotonic Imaging for Medicine: A Digital ConferenceResearchers from around the world presented their latest work at “Biophotonic Imaging for Medicine: A Digital Conference.” Presentations focused on a range of light-based imaging and...Photonics.com 6/11/2015Computational Microscopy, Sensing and Diagnostics for Telemedicine and Global Health ApplicationsAdditional Questions and Answers from the Webinar are below: With more than 6 billion cell phone users in the world, the majority of them in developing countries, there are opportunities for...Photonics.com 6/5/2013PHOTONICS DICTIONARY TERMStransversely excited atmosphere carbon dioxide laserAbbreviated TEA CO2 laser. A gas laser that provides shorter pulses and higher peak powers than conventional CO2 lasers. The electrical excitation pulse occurs transversely to the optical axis...EDU.photonics.com 6/28/2017photonicsThe technology of generating and harnessing light and other forms of radiant energy whose quantum unit is the photon. The science includes light emission, transmission, deflection, amplification and...EDU.photonics.com 3/22/2016micro-opticsTiny (less than 2 mm in diameter) lenses, beamsplitters and other optical components used, for example, in endoscopes or microscopes or to focus light from semiconductor lasers and optical fibers.EDU.photonics.com 3/24/2016free-space optics (FSO)A type of optical communications technology dealing with the use of lasers and other light sources to send telecommunication signals along a line of sight through the atmosphere. Also called...EDU.photonics.com 9/8/2009MEDIASupporting the Photonics Industry from the Laboratory - LIGHT MATTERS 01.2018On this month's episode of Light Matters, we take you to central Massachusetts as Worcester Polytechnic Institute and Quinsigamond Community College take on a comprehensive joint photonics laboratory...Photonics.com 1/18/2018Light Matters Extra: Taking Photonics Innovations from the Lab to the Operating Room - 01.2018In this month's Light Matters Extra, we give you an in-depth look at the relationship between researchers and scientists at the University of California Davis, and surgeons and clinicians at nearby...Photonics.com 1/18/2018Photonics on the Showroom Floor and in the Lab - LIGHT MATTERS 02.2018On this month's episode of Light Matters, we take you on a brief tour of the Higgins Laboratories at Worcester Polytechnic Institute (WPI). Quinsigamond Community College and WPI received a $4M grant...Photonics.com 2/21/2018Fundamentally Different Photonics - LIGHT MATTERS 03.2018On this month's episode of Light Matters, we take you to the South by Southwest (SXSW) Trade Show in Austin, Texas, as new photonics innovations hit the show floor of the Austin Convention Center....Photonics.com 3/29/2018PHOTONICS BUYERS' GUIDE CATEGORIESBiostimulation Laser SystemsLithotripsy Laser SystemsCardiovascular/Angioplasty Laser SystemsBiomedical Laser SystemsCOMPANIESFOCtek 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' GuideA.R.W. Optical CorporationARW Optical is your reliable manufacturer of quality optics and coatings. Beamsplitters • Prototyping through volume-production quantities • High-performance and durable optical...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' 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' Guide