Earlier this year SCHOTT Advanced Optics has introduced its well known ZERODUR® in two new versions of the expansion class 0 with much tighter CTE tolerances: ZERODUR® SPECIAL with a CTE of (0 °C, 50 ...
Optical flats are single precision flat surfaces. They are used as reference surfaces to compare flatness of a substrate where flatness is unknown. When a high quality optical flat is placed on top of ...
They are typically formed from a “former” such as silica sand, a “fluxing agent” such as Potash or Lithium Carbonate which aids in reducing the melting temperature of the Former and “stabilizers” such ...
The first images from the Daniel K. Inouye Solar Telescope (DKIST) of the National Science Foundation (NSF) were published end of January: They show unprecedented details of the sun’s surface and ...
The SCHOTT melting team has started casting the first mirror segments that will make up the 39-meter primary mirror (M-1) of the European Large Telescope (ELT). To make the segments, liquid glass ...
Zerodur is a glass ceramic that's one of the most expensive materials around, so getting it right the first and every time it's cut is critical. Through the use of ultrasonic machining on various ...
The European Southern Observatory’s Extremely Large Telescope (ESO’s ELT), under construction in the Chilean Atacama Desert, is one step closer to completion. German company SCHOTT has successfully ...
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