White-light interference fringe detection using color CCD camera

We describe in this paper a pilot experiment of a white-light fringe analysis with a low-cost color CCD camera. The used detection technique employs the phase-crossing algorithm which identifies the zero optical path difference as the point where the phase difference between the red, green and blue...

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Bibliographic Details
Main Authors: Buchta, Z., Jedlicka, P., Matejka, M., Kolarik, V., Mikel, B., Lazar, J., Cip, O.
Format: Conference Proceeding
Language:English
Subjects:
Charge coupled devices
Charge-coupled image sensors
color CCD camera
gauge block
Integrated circuit interconnections
Interference
phase-crossing algorithm
Power capacitors
Power transmission
Power transmission lines
Stability
Static VAr compensators
Voltage
White-light source
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Description
Summary:We describe in this paper a pilot experiment of a white-light fringe analysis with a low-cost color CCD camera. The used detection technique employs the phase-crossing algorithm which identifies the zero optical path difference as the point where the phase difference between the red, green and blue part of the white-light interference fringe becomes equal to zero. An experimental arrangement is based on superluminescent LED diode. The experimental setup is designed to be a crucial part of the complex system for automatic contactless diagnostic and calibration of gauge blocks.
ISSN:2153-0025
2153-0033
DOI:10.1109/AFRCON.2009.5308093