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Sapphire Crystals

Sapphire crystals refer to a transparent, single-crystal form of aluminum oxide (Al2O3) known as corundum. It is one of the hardest known materials, second only to diamond on the Mohs scale of mineral hardness. Due to its exceptional hardness and scratch resistance, sapphire crystal is commonly used as a durable and protective material in various applications, particularly in optical and electronic devices. Learn more about sapphire crystal →

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CASTECH INC. - Fuzhou, China
CASTECH is a global leader in nonlinear optical crystals, laser crystals, precision optics, and laser components for laser applications, optical communications, biomedical VR/AR, and lidar. With ISO 9001 and IAFT 16949 quality management system, we consistently enable our customers from prototype to mass production stage.
Stock ManufacturerCustom Manufacturer
4 products
Henan UM Optics Ltd. (Umoptics)
Henan UM Optics Ltd. (Umoptics) - Xinyang, China
Provides customized materials for low stress, high purity, and high uniformity infrared crystals to customers in over 60 countries and regions around the world.
Custom Manufacturer
3 products
Meller Optics Inc.
Meller Optics Inc. - Providence, RI
Manufacturer of high-precision optical components made from sapphire. Capabilities include finish of other materials including Spinel, ALON, ZnS, Ge, Si, optical glass and more. Configurations provided include windows, spherical lenses, prisms, and domes available from stock or made to precise customer specifications. ITAR/DFARS/NIST Compliant.
Stock ManufacturerCustom Manufacturer
20 products
Valley Design Corp., Headquarters
Valley Design Corp., Headquarters - Shirley, MA
AS9100/ISO 9001 manufacturer of substrates, wafers, flat optics, precision shims/spacers, 0.127-mm sq to 450-mm diameter. Precision lapping, polishing, dicing, 5-axis CNC machining, small diameter core drilling, hole drilling. Ultrathin 10-20 microns, ultraflat, tight tolerances. Fused silica, glass, sapphire, ceramics, metals. Large inventory.
Custom Manufacturer
5 products
Accumet Engineering Corp. - Devens, MA
AOG Sapphire Optics Co. Ltd. - Sanming, China
Boston Piezo-Optics Inc. - Bellingham, MA
Bullen Ultrasonics - Eaton, OH
Chang Chun Jiu Tian Optoelectric Co. Ltd. (JTOPTEC) - Changchun, China
COE Crystal Optics Inc. - San Diego, CA
COE Optics - Nanjing, China
Cryslaser Inc. - Chengdu, China
Davis Marketing International LLC - Palm Harbor, FL
DIGCO Inc. - Chengdu, China
Gavish Inc. - Bedford, NH
Global Optics (UK) Ltd. - Poole, United Kingdom
Guild Optical Associates Inc. - Amherst, NH
GWI Sapphire Optics - Plech, Germany
Imetra Inc. - Rochester, NY
Insaco Inc. - Quakertown, PA
J and J Precision Parts Co. Ltd. - Suzhou, China
Luxium Solutions - Milford, NH
MPA Crystal Corp. - San Jose, CA
MTI Corp. - Richmond, CA
NDS Technologies Inc. - Vineland, NJ
Optogama - Vilnius, Lithuania
Precision Ferrites and Ceramics Inc. - Huntington Beach, CA
Roditi International Corp. Ltd. - London, United Kingdom
Rotem Industries Ltd., Crystals Div. - D.N Arava, Israel
Rubicon Technology Worldwide LLC - Bensenville, IL
Taiwan Applied Crystal - Kaohsiung, Taiwan
VoyaWave Optics Technology Co. Ltd. - Shenzhen, China
  • sapphire
  • sapphire Sapphire refers to a crystalline form of aluminum oxide (Al2O3) that is used in various optical and photonic applications due to its exceptional optical, mechanical, and thermal properties. Sapphire is transparent over a wide range of wavelengths,...
  • crystal 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...
  • sapphire crystal Sapphire crystal refers to a transparent, single-crystal form of aluminum oxide (Al2O3) known as corundum. It is one of the hardest known materials, second only to diamond on the Mohs scale of mineral hardness. Due to its exceptional hardness and...
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