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Photonics Buyers' Guide
Thin-Film Plate Polarizers
Precision Thin-Film Coatings
Precision Glass and Sapphire Optics
Plastic Sheet Lenses and Molds
4-Axis CNC Micromachining, Precision Lapping, Polishing, Dicing and Coatings
GT Crystal Systems, LLC, Sub. of GT Advanced Technologies - Salem, MA
Manufacturer of sapphire, Ti:sapphire and silicon for use in optics, IR applications, large windows, domes, laser rods, lenses, prisms, filters, substrates and other optical and nonoptical applications. Produces sapphire for demanding applications in defense, laser technology, optoelectronics, life...
Hellma USA, Inc., Sub. of Hellma GmbH & Co. KG - Plainview, NY
Manufactures and supplies Hellma cells, fiber optic probes, photometric calibration standards, flat and cylindrical optics and accessories for lasers, spectrophotometers and fluorometers. Supplies Heraeus light sources including vacuum UV, deuterium, hollow cathode, PID spectral calibration and...
CASTECH INC. - Fuzhou, China
Source of LBO crystals. Manufacturer of LBO, BBO, KTP, KD*P, KDP, Nd:YVO4, Nd:GdVO4, YVO4, Q-switches, LiNbO3, LiTaO3; and YVO4 birefringent wedges and displacers, and other optics.
Cryslaser Inc. - Chengdu, China
Cryslaser is one of the most professional and largest laser crystal manufacturers in China. Based on cooperation with research center & universities and 40 years experience in crystal growth, we integrated R&D, growth, processing, fabrication, polishing and coating as well as marketing to...
CRYSTECH Inc. - Qingdao, China
Manufacturer and supplier of nonlinear optical and laser crystals including KTP, GTR-KTP, KTA, RTP, BBO, BIBO, KDP, DKDP, LiNbO3, Nd:YVO4, Nd:YAG, CTH:YAG, and diffusion bonded crystals as well as optics.
ISP Optics Corporation - Irvington, NY
ISP Optics is a fully integrated manufacturer offering design and manufacture of high precision infrared custom and catalog optics, including aspheric and diffractive elements, multielement systems, custom and standard infrared coatings, and infrared zoom lens assemblies from prototype to...
Naked Optics Corp. - Kissimmee, FL
Naked Optics delivers optical components and materials supporting a wide range of technical applications. Established in 2003, we utilize our combined 40+ years of optical, laser and materials technology experience to provide you with knowledgeable and reliable service. We have offices in FL &...
5N Plus, Inc., 5N Plus Trail Inc. - Trail, Canada
Almaz Optics, Inc. - Marlton, NJ
Boston Piezo-Optics Inc. - Bellingham, MA
Centre Technology of Optical Materials - St. Petersburg, Russia
Cimcoop Holding Ltd. - Sofia, Bulgaria
CLaser Photonics Inc. - Shanghai, China
Conex Systems Technology, Inc. - San Jose, CA
Cradley Crystals Corp. - Nizhny Novgorod, Russia
Crystaltechno Ltd. - Moscow, Russia
Crystran Ltd. - Poole, England
EKSMA Optics, Member of the EKSMA Group - Vilnius, Lithuania
Element Six, Sub. of Element Six Technologies - Santa Clara, CA
Fairfield Crystal Technology - New Milford, CT
Ferrisphere, Inc. - Flanders, NJ
GB Group, Inc. - New York, NY
Global Optics (UK) Ltd. - Bournemouth, England
Gooch & Housego (Ohio) LLC, Sub. of Gooch & Housego PLC - Cleveland, OH
GTI Technology, Inc. - Compton, CA
Harrick Scientific Products, Inc. - Pleasantville, NY
Hilger Crystals, A Dynasil Co. - Margate, England
Infrared Optics - Faridabad, India
Ingcrys Laser Systems Ltd. - Stokenchurch, England
International Crystal Laboratories - Garfield, NJ
Intrinsic Crystal Technology Co., Ltd. - Qinhuangdao, China
Keystone Crystal Corp. - Butler, PA
Korth Kristalle GmbH - Altenholz, Germany
Millennium Optics, Inc. - Solon, OH
MPA Crystal Corp., Sub. of Nanjing Sapphire Electro-Optics Co., Ltd. - San Jose, CA
Nanjing Sapphire Electro-Optics Co., Ltd. - Nanjing, China
New England Quartz Co. - Norwalk, CT
Northrop Grumman Synoptics, Bus. Unit of Northrop Grumman Corp. - Charlotte, NC
Optical Semiconductors, Inc. - Peekskill, NY
Photonic Sense, Inc., Sub. of Photonic Sense GmbH - Nashua, NH
PPM Pure Metals, Sub. of Recylex SA - Toronto, Canada
R'AIN Optics, Member of the R'AIN Group - Nizhny Novgorod, Russia
Silfex, Inc., Div. of Lam Research Corp. - Eaton, OH
Spitfire Semiconductors Ltd. - Auckland, New Zealand
SuperconiX Inc. - Lake Elmo, MN
Umicore Optical Materials USA Inc., Sub. of Umicore - Quapaw, OK
Umicore, Optics - Olen, Belgium
V-A Optical Labs, Inc. - San Anselmo, CA
Vision ABC - Paris, France
VITRON Spezialwerkstoffe GmbH - Jena, Germany
A solid with a structure that exhibits a basically symmetrical and geometrical arrangement. A crystal may already possess this structure, or it may acquire it through mechanical means. More than 50 chemical substances are important to the optical...
nonlinear optical crystal
An optical crystal that possesses a strong nonlinear dielectric response function to optical radiation. A material with a strong second-order nonlinearity must not possess a center of symmetry. See phase matching.
Tl3AsSe3 infrared crystal
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