ArticleMicromachines2022
Measurement of Small-Slope Free-Form Optical Surfaces with the Modified Phase Retrieval.
Article in Micromachines, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- Process Optimization for Ultra-Precision Machining of HUD Freeform Surface Mold Cores Based on Slow Tool Servo.Micromachines · 2026Article
- Research on Optical Metrology for Complex Optical Surfaces with Focal Plane Wavefront Sensing.Micromachines · 2023Article
- Measurement of the Aspherical Optical Surfaces with the Improved Phase Retrieval.Micromachines · 2022Article
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Authors and funding
4 authors.
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Abstract
In this paper, we demonstrate the use of the modified phase retrieval as a method for application in the measurement of small-slope free-form optical surfaces. This technique is a solution for the measurement of small-slope free-form optical surfaces, based on the modified phase retrieval algorithm, whose essence is that only two defocused images are needed to estimate the wave front with an accuracy similar to that of the traditional phase retrieval but with less image capturing and computation time. An experimental arrangement used to measure the small-slope free-form optical surfaces using the modified phase retrieval is described. The results of these experiments demonstrate that the modified phase retrieval method can achieve measurements comparable to those of the standard interferometer.
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