NSLS-II Seminar

"Synchrotron Mirror Fabrication and Metrology at Carl Zeiss Laser Optics"

Presented by Helge Thiess

Thursday, May 7, 2009, 11:00 am — Building 703 Large Conference Room

Carl Zeiss has a long-lasting expertise in the field of optical manufacturing and material
processing for reflecting and refracting optical systems. In particular optical mirrors of
various geometries ranging from small flats to large freeform mirrors are subject to the
extensive research and development activities. Exceedingly stringent specifications are placed
on the optical components used in these newly designed systems. Extremely high heat loads
demand cooling of these optics and thus material with high heat conductivity and low thermal
expansion. The increased quality of radiation sources calls for higher-quality optics: Typical
requirements are slope errors significantly below 1 arcsec for aspheric elements and below 0.1
arcsec for flats or spheres. Carl Zeiss uses state-of-the-art tooling and metrology devices in
order to serve his customers with highest quality optical devices made from a wide range of
substrate and coating materials. In order to achieve the desired surface quality, a very close
interaction between metrology and polishing is mandatory.

Hosted by: Andy Broadbent

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