Request InfoOptical Surfaces Ltd.New miniature reflective beam expanders from Optical Surfaces Ltd. are aspheric mirror-based devices offering either beam expansion or reduction capabilities. The expanders are available in standard 2.5, 5 and 10 × fixed magnification and have diameters of 25 to 60 mm. The off-axis mirrors provide an unobstructed output and high-efficiency transmission. The beam expanders are designed for space-restricted applications such as high-power lasers and multi-wavelength interferometry.See full productRelated content from Photonics MediaPRODUCTSPhotonics Spectra July 2023 IssueMirror MountsWedged back paraboloid mounts from Optical Surfaces Ltd. provide a secure and stable platform for mirror diameters from 50 to 200 mm. Constructed in black anodized aluminum, the device’s...Photonics Spectra September 2023 IssueModular Beam ExpanderOptical Surfaces’ pre-aligned large diameter beam expander modules enable complex 5-degrees of freedom set-up in a matter of minutes. The modular beam expander assembly components include...Photonics Spectra October 2022 IssueCompact Beam ExpandersThe A1 series of compact beam expanders from Optical Surfaces Ltd. delivers ×30 magnification from 2-mm aperture high-power laser beam lines. Delivering artifact-free high magnification,...Promoted Content March 2023 IssueCustom Precision OpticsSince 1947, three generations of family leadership have positioned LaCroix Precision Optics as the premier manufacturer of precision optics in America. Our relationship-driven approach to delivering...ARTICLESPhotonics Spectra July 2023 IssueHolography Lends a Whole New Dimension to MetrologyAll optical imaging systems, from smartphone cameras to extreme-ultraviolet photolithography optics, are under increasing pressure to support higher resolution, broader spectral range, or higher...Photonics Spectra December 2022 IssueMicrolens Array Fabrication Method Reduces Device CostsThough aspheric microlens arrays (AMLAs) play an important role in advanced optical sensing, communications, imaging, and other industrial and biomedical applications, the fabrication of the elements...Photonics Spectra September 2022 IssueLarge Aspheres Manage High-Power Laser EnergyLaser system output power is constantly increasing. The maximum attainable peak power of laser pulses has increased by a factor of about 1000 every 10 years1. This pace of progress is similar to the...Photonics Spectra January 2024 IssueAquark Demonstrates Cold Atom System on Small DroneUniversity of Southampton spinout Aquark Technologies has demonstrated continuous trapping of cold atoms suitable for sensing while flying on a drone. Cold atom-based quantum technologies support...PHOTONICS HANDBOOK ARTICLESPhotonics 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 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: 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 HandbookUltraviolet Filters: Past and PresentIn their earliest forms, UV bandpass filters that were optimized for wavelengths less than 400 nm, such as the Schott UG or the Hoya U-series, were constructed of absorbing compounds in glass. Such...WHITEPAPERSPhotonics.com 4/5/2024OPTOMAN LIDT CapabilitiesOPTOMAN takes innovation very seriously and makes sure that optical components are able to resist the ongoing increase of laser power and decrease in pulse duration, thus high LIDT is OPTOMAN‘s bread...Photonics.com 4/12/2024Mirrors for Big and Scary FS, PS LasersWhile high laser-induced damage threshold is a buzzword when talking femtosecond & picosecond optics, it is not (only) the nominal LIDT value that matters. Color-change effect is an arch-enemy and a...Photonics.com 11/6/2023Fast Shaping Control of X-Ray Beams Using a Closed-Loop Adaptive Bimorph Deformable MirrorHigh-speed adaptive correction of optics, based on real-time metrology feedback, has benefitted numerous scientific communities for several decades. However, it remains a major technological...Photonics.com 4/12/2024Optics for Laser MicromachiningHighly customized and application optimized laser optics for demanding applications from demanding markets.WEBINARSPhotonics.com 11/15/2023High Quality Measurements of Mid Spatial Frequencies in Optical SurfacesModern computer numerical control (CNC) polishing has revolutionized optical component manufacturing by enabling both more precise and wilder surface shapes to be deterministically manufactured....Photonics.com 1/20/2021Freeform Surfaces: Resolving Manufacturing ChallengesLenses with higher degrees of freedom, such as aspheres and especially freeform surfaces, offer tremendous advantages to the design of optical systems. Their ability to help reduce the number of...Photonics.com 1/10/2023Ultrahigh-Precision Optical Surfaces: Fabrication Examples, Challenges, and Recent ApproachesHigh-precision lenses and mirrors for short wavelength light, including deep-UV (DUV) and x-ray, are manufactured by fully utilizing both traditional polishing techniques, which require empirical...Photonics.com 8/28/2019High-End Asphere Design for ManufacturabilityIn this webinar, Edmund Optics’ asphere experts will discuss the benefits of using aspheres in optical system design and the factors to take into account during the design process. You will...PHOTONICS DICTIONARY+ TERMSPhotonics Dictionaryoptical manufacturing tools and machineryOptical manufacturing tools and machinery encompass a wide range of equipment, instruments, and systems used in the fabrication, shaping, finishing, and testing of optical components and systems....Photonics DictionaryFizeau fringesFizeau fringes are interference fringes observed in an interferometer, specifically in a Fizeau interferometer. The Fizeau interferometer is named after the French physicist Armand Fizeau, who...Photonics Dictionaryfreeform opticsFreeform optics refers to the design and fabrication of optical surfaces that do not follow traditional symmetric shapes, such as spheres or aspheres. Unlike standard optical components with...Photonics DictionaryetaloningEtaloning is an optical phenomenon that occurs in imaging systems, particularly in devices such as spectrometers, interferometers, and cameras. It is characterized by the appearance of interference...VIDEOSPhotonics.com 3/4/2024Specifying Optical Coatings - LaCroix Precision OpticsOptical coatings modify the reflectance, transmittance, and absorptive properties of optic substrates to make them much more efficient and functional. From an optical manufacturer's perspective,...Photonics.com 3/4/2024Precision Aspheres: Manufacturing and Metrology - LaCroix Precision OpticsAspheres have allowed optical designers to create systems and products that push the limitations of performance across several fields. In this presentation, we will explain the various processes...Photonics.com 3/4/2024Designing for Manufacturability with Fluorides and Other High Expansion Materials - LaCroix Precision OpticsAs the demand for fluorides and other high expansion materials increases, it is important to understand the risks/challenges involved with these materials and how they affect various factors such as...Photonics.com 5/2/2022The History of LaCroix Precision OpticsCelebrating 75 years in business, LaCroix Precision Optics is a world-class, customer-driven manufacturer of custom precision optics. Our core competencies include spherical lenses, aspheres,...PHOTONICS BUYERS' GUIDE CATEGORIESFreeform OpticsFreeform optics refers to the design and fabrication of optical surfaces that do not follow traditional symmetric shapes, such as spheres or aspheres. Unlike standard optical components with...Angular and Linear Measuring InterferometersScatterometersA scatterometer is an instrument used to determine the absolute or relative scatter levels of optical surfaces.Aspheric LensesAn aspheric lens is a type of lens whose surface profiles deviate from the traditional spherical shape. Unlike spherical lenses, which have a constant curvature across their surfaces, aspheric lenses...COMPANIESPhotonics 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...Photonics Buyers' GuideFresnel Technologies Inc.Fresnel Technologies Inc. is an expert manufacturer of molded plastic optics, including Fresnel lenses and related optical components, as well as infrared transmitting materials and optics made from...Photonics Buyers' GuideOptimax Systems Inc.Optimax is America’s largest optics manufacturer. On the cutting edge of future applications, Optimax implements an engineered solutions approach to help our customers achieve breakthroughs in...Photonics Buyers' GuideRainbow Research Optics LLCPrototype to Production Quantities | Challenging Designs | Fast Deliveries Since 1995, Rainbow Research Optics has been providing optical components, optical coatings, and optomechanical...