Speed-up chromatic sensors by optimized optical filters

Miro Taphanel; Bastiaan Hovestreydt; Jürgen Beyerer

doi:10.1117/12.2020387

13 May 2013 Speed-up chromatic sensors by optimized optical filters

Miro Taphanel, Bastiaan Hovestreydt, Jürgen Beyerer

Proceedings Volume 8788, Optical Measurement Systems for Industrial Inspection VIII; 87880S (2013) https://doi.org/10.1117/12.2020387
Event: SPIE Optical Metrology 2013, 2013, Munich, Germany

Abstract

The probably best known chromatic sensor is the chromatic confocal point sensor, which is an optical displacement sensor (depicted in Fig. 1). It uses different wavelengths to encode the distance and has one measurement spot. Beside this prominent example, there are plenty of other realizations. E.g. Lee lists fiber optical sensors which measure temperature, displacement, current, strain and more. A variant of the chromatic confocal point sensor is used within this paper as example to apply the proposed method, referred to as CCT (chromatic confocal triangulation) sensor. In contrast to the point sensor the CCT sensor has many measurement spots next to each other (typically 2000 measurement spots in a row).

Citation Download Citation

Miro Taphanel, Bastiaan Hovestreydt, and Jürgen Beyerer "Speed-up chromatic sensors by optimized optical filters", Proc. SPIE 8788, Optical Measurement Systems for Industrial Inspection VIII, 87880S (13 May 2013); https://doi.org/10.1117/12.2020387

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