11th High Level Expert Meeting on Asphere Metrology 2021 Digital Event

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PTB, Braunschweig, Germany, March 16 – March 18, 2021

The High Level Expert Meeting (HLEM) on precise Asphere Metrology is organized by the Competence Center for Ultraprecise Surface Processing (CC UPOB e.V.). Due to the ongoing coronavirus pandemic, this year’s HLEM will be held exclusively as a digital event. The measurement results with our Computer Generated Holograms (CGHs) will be presented by our expert Dr. Frank Weidner.


Date: Wednesday, March 17, 2021, 11:45 am

Session: Centring of Optical Components

Title: „CGH Based Precision Test of the Inner Centration of a Biconvex Asphere“


Please click here to contact DIOPTIC GmbH.

An overview of the conference program can be found on the homepage of CC UPOB e.V..