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来源:[C].Astronomical Telescopes + Instrumentation2018SPIE
摘要:This PDF file contains the front matter associated with SPIE Proceedings Volume 10699 including the Title Page, Copyright information, Table of Contents, Introduction, and Conference Committee listing.
来源:[C].Precision Optics Manufacturing2018SPIE
摘要:This PDF file contains the front matter associated with SPIE Proceedings Volume 10829, including the Title Page, Copyright information, Table of Contents, and Conference Committee listing.
作者:Chase Salsbury , Jan Posthumus , Artur Olszak
来源:[C].Precision Optics Manufacturing2018SPIE
摘要:We present a new light source capable of locating interference fringes at an adjustable distance from the interferometer. The spectrum is electronically controlled in such a way that the fringes are limited to only one of the surfaces of the optics under test. With the new source...
作者:R. Kometer , E. Hofbauer
来源:[C].Precision Optics Manufacturing2018SPIE
摘要:In-situ measurements of complex surfaces during the polishing process is a challenge for the production of aspheric surfaces or freeforms. We are providing a new attempt by using a scanning deflectometric device based on our recently published DaOS [1] principle, which allow...
作者:Mario Pohl , Rainer Boerret , Rolf Rascher ...
来源:[C].Precision Optics Manufacturing2018SPIE
摘要:This research is focused on the link between manufacturing parameters and the resulting mid spatial frequency error in the manufacturing process of precision optics. This first publication focuses on the parameters of the grinding step. The Goal is to understand and avoid the app...
作者:Rolf Rascher , Christian Vogt , Oliver Fähnle ...
来源:[C].Precision Optics Manufacturing2018SPIE
摘要:A novel fabrication parameter controlling method for laser polishing processes called CLasso (Control of LASer Surface Optimization) is presented, monitoring within the footprint the smoothening process as well as the removal of ssd in situ. Therefore, it is possible to determine...
作者:Wilhelmus A. C. M. Messelink , Amy Frantz , Shelby D. V. Ament ...
来源:[C].Precision Optics Manufacturing2018SPIE
摘要:For the (CNC) polishing of aspheres, generally a compliant, sub-aperture tool is applied, which may cause mid- spatial frequency errors on the surface of the workpiece. The tolerance on surface figure is commonly given in peak-to-valley (PV) or root-mean-square (RMS). Even if a s...
作者:Nikolay Voznesenskiy , Mariia Voznesenskaia , Diwaker Jha
来源:[C].Precision Optics Manufacturing2018SPIE
摘要:Advanced figuring technology has enabled manufacturing of high accuracy optics for precision applications. The measurement technologies to verify them are largely based on Fizeau interferometry, which is limited in terms of accuracy because of external accessories such as re...
作者:Olga Kukso , Rolf Rascher , Rainer Börret ...
来源:[C].Precision Optics Manufacturing2018SPIE
摘要:The aim of our research is to study middle spatial frequency errors (MSFE) on optical surfaces. We investigate the surfaces after all manufacturing processes to find out the main affecting factors and to choose the proper processing parameters to minimize the size of the errors. ...
作者:C. Vogt , O. Faehnle , R. Rascher
来源:[C].Precision Optics Manufacturing2018SPIE
摘要:The Grinding Process Validation Approach (gPVA) presented in 2017 enables the determination of suitable parameter windows for grinding tools. The abrasion properties of grinding tools are determined experimentally. The collected data can be used to derive optimum parameters for d...

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