Optical Design and Engineering

Process optimization in optical fabrication

[+] Author Affiliations
Oliver Faehnle

FISBA AG, Rorschacher Strasse 268, CH-9012 St. Gallen, Switzerland

Opt. Eng. 55(3), 035106 (Mar 28, 2016). doi:10.1117/1.OE.55.3.035106
History: Received December 12, 2015; Accepted March 4, 2016
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Abstract.  Predictable and stable fabrication processes are essential for reliable cost and quality management in optical fabrication technology. This paper reports on strategies to generate and control optimum sets of process parameters for, e.g., subaperture polishing of small optics (featuring clear apertures smaller than 2 mm). Emphasis is placed on distinguishing between machine and process optimization, demonstrating that it is possible to set up the ductile mode grinding process by means other than controlling critical depth of cut. Finally, a recently developed in situ testing technique is applied to monitor surface quality on-machine while abrasively working the surface under test enabling an online optimization of polishing processes eventually minimizing polishing time and fabrication cost.

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© 2016 Society of Photo-Optical Instrumentation Engineers

Citation

Oliver Faehnle
"Process optimization in optical fabrication", Opt. Eng. 55(3), 035106 (Mar 28, 2016). ; http://dx.doi.org/10.1117/1.OE.55.3.035106


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