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Silicon Carbide (SiC) Mirrors - Zygo Corporation

ZYGO''s Optics business segment custom manufactures silicon carbide mirrors to exacting standards.. Silicon carbide (SiC) has long been recognized as an attractive mirror material due to its superior mechanical and thermal properties when compared to conventional optical materials.

Silicon carbide meets optical grade standards

Silicon carbide meets optical grade standards. 02 Jun 2008. Silicon carbide boasts properties such as strength and stiffness. Marie Freebody speaks to Steve Hastings of optoSiC who believes that recent improvements in manufacturing techniques have enabled the material to be used as mirrors by the laser scanning industry.

China develops large aperture optical mirror with high

Developed by Changchun Institute of Optics, Fine Mechanics, and Physics of the Chinese Academy of Sciences, the silicon carbide aspheric optical mirror measures 1.6 tonnes. The silicon carbide used in production provides more stability to the surface of the mirror, allowing for …

Thermally Insensitive Silicon Carbide Optical Telescope

Thermally Insensitive Silicon Carbide Optical Telescope Payload for High Performance Small Satellite Relevant Space Environments Small satellite buses o˜er an economical platform for optical payloads. However, the smaller buses struggle to provide the thermal stability that high performance optical payloads typically require.

Optics & Imaging for Aerospace Appliions | CoorsTek

Our silicon carbides are ideally suited for mirrors, focal plane array components, and structural supports used in aerospace and specialized ground-based optical systems. Silicon carbide optical systems are engineered for low mass, low complexity, athermal designs — enhancing optical …

Coastline Optics

''Ready to Ship'' Optics Now Available! Coastline Optics now offers a variety of Plano-Plano and Plano-Concave substrates available for immediate delivery. Made from Fused Silica, ULE, Zerodur ®, Silicon, Sapphire, Silicon Carbide, and BK-7 substrates, these precision substrates can be used for a variety of projects. Each substrate is super

Optical Kerr nonlinearity in a high-Q silicon carbide

We demonstrate a high-Q amorphous silicon carbide (a-SiC) microresonator with optical Q as high as 1.3 × 105. The high optical quality allows us to characterize the third-order nonlinear susceptibility of a-SiC. The Kerr nonlinearity is measured to be n2 = (5.9 ± 0.7) × 10−15 cm2/W in the telecom band around 1550 nm. The strong Kerr nonlinearity and high optical quality render a-SiC

Silicon Carbide Manufacturers Suppliers | IQS Directory

Find silicon carbide companies that can design, engineer, and manufacture silicon carbide to your specifiions. Peruse our website to review and discover top silicon carbide manufacturers with roll over ads and complete product descriptions. Connect with the silicon carbide companies through our hassle-free and efficient request for quote form.

Silicon - Wikipedia

Silicon compounds such as silicon carbide are used as abrasives and components of high-strength ceramics. Silicon is the basis of the widely used synthetic polymers called silicones. Elemental silicon also has a large impact on the modern world economy.

China develops large aperture optical mirror with high

Developed by Changchun Institute of Optics, Fine Mechanics, and Physics of the Chinese Academy of Sciences, the silicon carbide aspheric optical mirror measures 1.6 tonnes. The silicon carbide used in production provides more stability to the surface of the mirror, allowing for …

Optical Properties and Appliions of Silicon Carbide in

Optical Properties and Appliions of Silicon Carbide in Astrophysics 259 allowing the central star to be seen and making such objects optically bright. The effect of decreasing optical depth and cooling dust temperatures changes the appearance of the circumstellar envelope, revealing features that were hidden during the AGB phase. Fig. 1.

Machining Of Silicon Carbide

Mar 03, 2006· Precision machined sintered silicon carbide component machined by Insaco. Machining of Silicon Carbide. In all of the appliions outlined above, where a high precision engineering components are required, it is important to recognize the difficulties of machining Silicon Carbide.

MERSEN | Boostec® | sintered silicon carbide | SiC | seal

Mersen Boostec is specialized in the development of innovative products in sintered silicon carbide. For some appliions, the silicon carbide can receive a CVD (chemical vapor deposition) coating to give a completely non-porous high-purity SiC surface. A BROAD SPECTRUM OF APPLIIONS: optical and scientific instrumentation (space or ground

Optics in Orbit

This telescope is due for launch in 2007 and is designed to cover the wavelength range from 60 to 670 µm. The mirror for the demonstration telescope is made from sintered silicon carbide. The developers pressed a finely ground silicon-carbide powder mixed with …

Optical Materials - Zygo Corporation - Home Page

Optical components from ZYGO''s Optics business segment are very highest precision, custom made for a variety of appliions including reconnaissance, laser fusion research, FLIR sensing systems, Schlieren appliions, and high performance underwater and space appliions.

offtheshelf - Coastline Optics

Research Grade Optics ''Ready to Ship'' . Coastline Optics now maintains an inventory of both Plano-Plano and Concave-Plano research grade substrates available for immediate delivery. Made from Fused Silica, ULE, Zerodur, & BK-7, these substrates are of the highest quality and can be used for your most stringent projects.

Optical properties of Silicon Carbide polytypes - cds.cern.ch

Optical properties of Silicon Carbide polytypes M. Kildemo EST-SM, CERN, 1211 Geneva 23, Switzerland Silicon Carbide is a fascinating indirect wide band gap semiconductor, with a range of polytypes available from cubic (3C-SiC), to fully hexagonal (Wurtzite) (2H-SiC). Due to the large

OSA | Potential material for fabriing optical mirrors

Polished diamond coated silicon carbide can be a potential candidate material for making optical mirrors, due to the excellent properties. At present, five typical types of diamond films are deposited on RB-SiC substrates by hot filament chemical vapor deposition, and then polished by mechanical polishing. It is found that the boron-doped micro-crystalline and undoped nano-crystalline

Diamond turning Silicon Carbide using Micro-LAM -

Oct 29, 2014· Silicon Carbide cannot conventionally be diamond turned, but with the patented Micro-LAM process, a laser thermally softens the material making …

Lightweighted telescope mirrors: Outstanding properties …

I- Silicon Carbide properties Silicon Carbide (SiC) is a compound of Silicon and Carbon. Its natural formation is due to electro-chemical reaction between sand and carbon at very high temperature. Nowadays, SiC is industrially manufactured for many appliions included the production of ceramics with outstanding mechanical properties.

Optical properties of Silicon Carbide polytypes - cds.cern.ch

Optical properties of Silicon Carbide polytypes M. Kildemo EST-SM, CERN, 1211 Geneva 23, Switzerland Silicon Carbide is a fascinating indirect wide band gap semiconductor, with a range of polytypes available from cubic (3C-SiC), to fully hexagonal (Wurtzite) (2H-SiC). Due to the large

Companies - Silicon carbide products - South Africa

Companies - Silicon carbide products - South Africa. Refine my search: Return. Search results for : South Africa. View the prospect list. 2 Companies. Check out our International Premium companies. Silicon carbide products. Heating elements, furnace, silicon carbide

Silicon Carbide, South Africa Silicon Carbide Suppliers

South Africa Silicon Carbide, Silicon Carbide from South Africa Supplier

Silicon Carbide (SiC) Mirrors - Zygo Corporation

ZYGO''s Optics business segment custom manufactures silicon carbide mirrors to exacting standards.. Silicon carbide (SiC) has long been recognized as an attractive mirror material due to its superior mechanical and thermal properties when compared to conventional optical materials.

Advanced Silicon Carbide Materials

Advanced Silicon Carbide Materials (ASCM) designs and manufactures high performance mirrors and telescopes made of CVC SiC® or composites. These precision-engineered optical products are used in a wide range of civilian, military and aerospace appliions.

Optics in Orbit

This telescope is due for launch in 2007 and is designed to cover the wavelength range from 60 to 670 µm. The mirror for the demonstration telescope is made from sintered silicon carbide. The developers pressed a finely ground silicon-carbide powder mixed with …

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