Request InfoKentek CorporationKentek provides solid-state crystals for linear lamp and diode-pumped applications. Laser crystals can be customized to optimize your application. We can refurbish old laser crystals to “as new” condition, saving you replacement costs. Kentek has the tooling, fixtures and knowledge to service a wide variety of assembled laser crystals.See full productRelated content from Photonics MediaPRODUCTSPhotonics Spectra August 2023 IssueAvalanche Photodiode PreamplifiersA series of 1064-nm silicon avalanche photodiode (APD) preamplifier modules from CMC Electronics Inc. is designed to improve laser applications. The receivers feature a high signal-to-noise...Photonics Spectra September 2023 IssuePump Laser DiodePump laser diodes from Coherent Corp. offer 65 W of output power with low operating current to support fiber lasers in industrial and consumer applications. The 65-W laser diodes are based on a...Photonics.com 8/31/2022Antireflection Laser WindowsTECHSPEC® Dual-Band Antireflection (AR) Laser Windows from Edmund Optics Inc. feature <0.25% reflection at 532 nm and <0.1% reflection at 1064 nm for high laser throughput. ...Photonics.com 7/10/2023Active Optical FiberThe TrueLase™ Yb 22/400-915-3kW ytterbium-doped active optical fiber from OFS Fitel LLC is a double clad fiber designed for high-efficiency, reliable, multi-kW fiber lasers. Tests in a...ARTICLESPhotonics Spectra March 2024 Issue3D Printed Micro-optics Embed into a Durable Hybrid LaserResearchers have shown that 3D-printed polymer-based micro-optics can withstand the heat and power levels that occur inside a laser. The advancement enables inexpensive compact and stable laser...BioPhotonics Nov/Dec 2022 IssuePortable Laser-Based Scanning Device Detects Critical BiomarkersResearchers at the University of Arkansas for Medical Sciences (UAMS) reported advancements to the previously developed Cytophone device. In the current work, the researchers integrated a miniature...Photonics.com 9/26/20223D Printing Tackles One of the Strongest Stainless SteelsA team from the National Institute of Standards and Technology (NIST), the University of Wisconsin-Madison (UW-Madison), and Argonne National Laboratory have 3D-printed a variety of stainless steel...Photonics Spectra October 2022 IssueMechanoluminescent Glass-Ceramic Could Provide Readout of Structural StrainA team at Friedrich Schiller University Jena has developed a glass-ceramic material that emits light in response to mechanical stress. With further development, the mechanoluminescent material could...PHOTONICS HANDBOOK ARTICLESPhotonics HandbookDiode-Pumped Lasers: Performance, Reliability Enhance ApplicationsNeodymium-doped crystals and glasses such as Nd:YAG (neodymium:yttrium aluminum garnet) have long been used as laser gain materials. Optically pumped, they produce an output wavelength close to 1...Photonics HandbookWhat Is Photonics?Photonics is the study of light and other types of radiant energy whose quantum unit is the photon. The impact of photonics on research, technology, navigation, culture, astronomy, forensics, and...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...Photonics HandbookOptical Objective Systems: A Schematic GuideSimple Meniscus Lens The simple meniscus lens is almost universally used in inexpensive cameras. To get an image of good quality it must be used with a separate aperture stop, reducing the...WHITEPAPERSPhotonics.com 5/3/2023LASERSMART® Laser Safety Program: A Safety PrimerA laser safety program is the cornerstone of any organization using Class 3B and 4 laser systems. Management is responsible for ensuring the safe use of lasers owned and operated under its control....Photonics.com 10/20/2023Avalanche Photodiodes - Design and ApplicationsThis white paper will discuss avalanche photodiodes beginning with a brief description, their applications, and the basics of operation. The discussion will be an overview of the important...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 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...WEBINARSPhotonics.com 1/10/2022Photonics Spectra Conference 2022: January 10 - 13Photonics Media will host its second annual Photonics Spectra Conference Jan. 10-13. The virtual event will comprise four technology tracks — Lasers, Optics, Sensors and Detectors, and Imaging...Photonics.com 1/11/2022The Unique Challenges of Coating Laser CrystalsLaser crystals are used as the gain media for solid-state lasers and are critical for enabling a wide variety of applications ranging from laser materials processing to medical lasers. Like most...Photonics.com 9/29/2020Avalanche Photodiodes – Design and ApplicationsThe high-gain properties in avalanche photodiodes (APDs) make these devices an ideal choice for low-light-level detection in optical communications, spectroscopy, range finding and many other...Photonics.com 6/12/2018Holography for Display: From AR to HUD to 3DThis webinar will discuss the technology of holographic optical elements and their use in display systems where the size and weight of optics must be constrained. While a true holographic...PHOTONICS DICTIONARY+ TERMSPhotonics Dictionarylaser crystalA laser crystal, also known as an active medium or gain medium, is a solid-state material used in the construction of lasers. The primary function of the laser crystal is to amplify light by...Photonics DictionaryexcitonAn exciton is a quasiparticle that represents the bound state of an electron and a hole in a solid-state material, typically a semiconductor or an insulator. In simpler terms, an exciton is a paired...Photonics Dictionarygermanium crystalGermanium crystal refers to a crystalline form of the element germanium (Ge), which is a metalloid and semiconductor commonly used in various electronic and optical applications. Germanium crystals...Photonics Dictionaryoptical materialsOptical materials refer to substances or compounds specifically chosen for their optical properties and used in the fabrication of optical components and systems. These materials are characterized by...VIDEOSPhotonics.com 12/6/2022Telecentric Lenses - Shanghai OpticsTelecentric Lenses are widely used in metrology instruments, laser marking systems, and AOI (Automatic Optical Inspection) machines. Here’s a 360 view of one of our custom Telecentric Lenses which...Photonics.com 9/27/2023Interview with John Atkinson on CIE TristimulusJohn Atkinson, Chroma Technology's Principal Product Engineer, provides some insight into future trends for our filters with applications in photometry and colorimetry, as well as their views on the...Photonics.com 4/19/2022Fluorescence Filter Images - Optolong Optics Co. Ltd.Optolong Optics Co. Ltd., brand owner of Optolong, is a manufacturer of fluorescence filters and astronomy filters. We also offer other interference filters including UV filters, visible filters, and...Photonics.com 12/21/2022OPCO Laboratory, Inc. Facility TourTour of our Fitchburg, MA manufacturing facility.PHOTONICS BUYERS' GUIDE CATEGORIESLaser SlabsA laser slab is a solid-state laser geometry in which the standard rod is replaced by a slab of laser material. Often called total-internal-reflection face-pumped laser (TIR-FPL).KTP and Isomorphs CrystalsYALO CrystalsLaser CrystalsCOMPANIESPhotonics Buyers' GuideKentek CorporationLaser safety eyewear, barriers & signs, laser components, laser replacement parts, laser accessories, medical laser safety eye protection - find these LaserSmart® products and more in the...Photonics Buyers' GuideCASTECH INC.CASTECH is a recognized leading supplier of nonlinear optical crystals, laser crystals and precision optical components for laser, telecom, medical, analysis and detector markets. Products...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...Photonics Buyers' GuideExcelitas Technologies Corp.Excelitas Technologies® Corp. is a leading industrial technology manufacturer focused on delivering innovative, market-driven photonic solutions to meet the illumination, optical, optronic,...