13 June 2005 Phase evaluation using interference of polychromatic light and colorimetric analysis
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Measurements of very small phase changes in optical measurement techniques are usually performed by interferometric methods that are based on evaluation of interference patterns, which correspond to a phase change of the investigated wave field. If values of the phase change are small, it is difficult to determine accurately the phase values, and one needs very expensive measurement systems. Our work presents a simple method for evaluation of small phase variations that uses the interference of polychromatic light. The phase change affects the color of the interference pattern, and color of the interference pattern corresponds to a specific phase change that can be evaluated using colorimetric analysis. We describe and analyse the colorimetric phase evaluation method in our work. The proposed method offers accurate results and it is suitable for practical utilization in optical industry.
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Pavel Novak, Pavel Novak, Jiri Novak, Jiri Novak, Antonin Miks, Antonin Miks, "Phase evaluation using interference of polychromatic light and colorimetric analysis", Proc. SPIE 5856, Optical Measurement Systems for Industrial Inspection IV, (13 June 2005); doi: 10.1117/12.612016; https://doi.org/10.1117/12.612016


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