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Proceedings Paper

Testing micro optics with micro optics
Author(s): Johannes Pfund; Christian Brock; Ralf Dorn
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Paper Abstract

An increasing part of the optic industry’s added value consists of micro optical components. This increases the demand for effective test methods for micro optics. When conventional test methods are transferred to micro optics, special attention should to be paid to diffraction effects, wave front propagation and precise sample imaging. We show how a well-established tool – the Shack-Hartmann wave front sensor (SHWFS) – which uses a micro lens array as a key element, can be used for testing micro lenses. Different measurement configurations for transmitted light and reflected light testing are discussed. A system which takes advantage of a combination of these test configurations to retrieve information on surface quality, wave front performance, focal length, and defects is presented. Measurement results are shown to demonstrate the system performance.

Paper Details

Date Published: 15 June 2017
PDF: 10 pages
Proc. SPIE 10326, Fourth European Seminar on Precision Optics Manufacturing, 1032609 (15 June 2017); doi: 10.1117/12.2271801
Show Author Affiliations
Johannes Pfund, OPTOCRAFT GmbH (Germany)
Christian Brock, OPTOCRAFT GmbH (Germany)
Ralf Dorn, OPTOCRAFT GmbH (Germany)

Published in SPIE Proceedings Vol. 10326:
Fourth European Seminar on Precision Optics Manufacturing
Oliver W. Fähnle; Rolf Rascher; Christine Wünsche, Editor(s)

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