SCHOTT Technical Glasses
Apart from its application in optics, glass as a technical material has exerted a formative influence on the development of important technological fields such as chemistry, pharmaceutics, automotive, optics, optoelectronics and information technology. SCHOTT Technical Glasses offers pertinent information in concise form. It contains general information for the determination and evaluation of important glass properties and also informs about specific chemical and physical characteristics and possible applications of the commercial technical glasses produced by SCHOTT. With this brochure, we hope to assist scientists, engineers, and designers in making the appropriate choice and make optimum use of SCHOTT products.
Apart from its application in optics, glass as a technical material has exerted a formative influence on the development of important technological fields such as chemistry, pharmaceutics, automotive, optics, optoelectronics and information technology. SCHOTT Technical Glasses offers pertinent information in concise form. It contains general information for the determination and evaluation of important glass properties and also informs about specific chemical and physical characteristics and possible applications of the commercial technical glasses produced by SCHOTT. With this brochure, we hope to assist scientists, engineers, and designers in making the appropriate choice and make optimum use of SCHOTT products.
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62<br />
11 Optical Materials<br />
11.1 Introduction of Advanced Optics<br />
<strong>SCHOTT</strong> Advanced Optics – Your Partner for Excellence<br />
in Optics.<br />
Today, the Advanced Optics unit of <strong>SCHOTT</strong> offers optical<br />
materials, components and filters and has been a trailblazer<br />
for various applications.<br />
With a product portfolio of over 120 optical glasses, special<br />
materials (e.g. active laser glass, IR-Materials, sapphire),<br />
ultra-thin glass, high-precision optical components, wafers,<br />
and optical filter glasses, Advanced Optics develops customized<br />
solutions all over the world for applications in optics,<br />
lithography, astronomy, opto-electronics, life sciences, research,<br />
and more.<br />
Advanced Optics masters the entire value chain: from customer-specific<br />
glass development and its production all the<br />
way to high-precision optical product finishing, processing<br />
and measurement.<br />
For more information on Advanced Optics, visit our<br />
website: www.schott.com/advanced_optics<br />
11.2 Product overview<br />
Optical Glass – More than 120 high-quality optical glasses<br />
For more than 125 years, <strong>SCHOTT</strong> has been offering a large<br />
portfolio of high-quality optical glasses to meet the needs<br />
of a broad variety of optical applications as well as industrial<br />
applications, ranging from consumer products to optical<br />
systems at the leading edge of research.<br />
Our range of optical glasses includes arsenic-free N-glasses,<br />
glasses suitable for precision molding (low Tg-Glass) as well<br />
as classical glass types with lead oxide as an essential component<br />
for outstanding optical properties. In addition, we offer<br />
special versions of our glasses, e.g. high transmission glasses<br />
(HT- & HTultra-<strong>Glasses</strong>) or our high homogeneous glasses.<br />
Optical filter glass<br />
Filter glasses enable applications in analytics, photography,<br />
medical technology and laser protection. Optical filter glass<br />
is known for its selective absorption in the visible wavelength<br />
range. The optical filter glasses appear to be colored<br />
if their filter effect lies within the visible light spectrum.<br />
<strong>SCHOTT</strong>’s optical filter glasses include the following filter<br />
types in the wavelength range above 200 nm:<br />
• Bandpass filters<br />
• Longpass filters<br />
• Shortpass filters<br />
• Neutral density filters<br />
• Contrast enhancement filters<br />
• Multiband filters and<br />
• Photo filters<br />
Interference filters<br />
Interference filters that use the interference effect to obtain<br />
spectral transmission are manufactured by depositing thin<br />
layers with different refractive indices onto a substrate.<br />
These filters are used for applications in medical technology,<br />
for analytics in measurements, environmental, biotech,<br />
chemical and medical, fluorescence microsopy, and more<br />
fields.<br />
<strong>SCHOTT</strong> supplies standard and customized interference<br />
filters within the spectral range of 200 nm to 3,000 nm.<br />
Our product range comprises various types of interference<br />
filters:<br />
• Bandpass filters<br />
• Edge filters<br />
• Notch filters<br />
• DUG 11<br />
• Hard bandpass filters<br />
• i-line filters<br />
• VERIL linear variable filters<br />
• Hard (scratch-resistant) and broadband AR coated<br />
• Beamsplitters<br />
• Neutral density filters<br />
• Mirror coatings<br />
• Black coatings
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