Digital moire subtraction in optical engineering

Colin Forno; Maurice Patrick Whelan

doi:10.1117/1.1402621

1 October 2001 Digital moire subtraction in optical engineering

Colin Forno, Maurice Patrick Whelan

Optical Engineering, Vol. 40, Issue 10, (October 2001). https://doi.org/10.1117/1.1402621

Conventionally, for the most accurate measurements, interferometer systems are constructed from high-quality optical elements and include fine controls for precise alignment. In this alternative approach, all the errors of a poor quality, misaligned system are accepted then eliminated by a simple digital moiré process. The method offers the possibility of devising very large aperture optical systems for traditional and engineering interferometers from inexpensive and basic components. It can also offer benefits in other measurement techniques, including moiré.

©(2001) Society of Photo-Optical Instrumentation Engineers (SPIE)

Citation Download Citation

Colin Forno and Maurice Patrick Whelan "Digital moire subtraction in optical engineering," Optical Engineering 40(10), (1 October 2001). https://doi.org/10.1117/1.1402621

Published: 1 October 2001

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