Model-based self-optimization method for form correction in the computer controlled bonnet polishing of optical freeform surfaces

Zhong Chen Cao, Chi Fai Cheung, Ming Yu Liu

Research output: Journal article publicationJournal articleAcademic researchpeer-review

10 Citations (Scopus)


Freeform surfaces have become increasingly widespread in the optical systems for enhanced performance and compact lightweight packaging. The geometrical complexity and high precision requirements of optical freeform surfaces for various functional optical applications, has posed great challenges in the design, precision machining, and measurement of these surfaces. This paper presents a model-based self-optimization approach for precision machining and measurement of optical freeform surfaces in the computer controlled bonnet polishing (CCBP) process. To realize the technical feasibility, the process parameters and motion control are accurately performed through modelling and simulation of machining processes, error compensation, and on-machine metrology.
Original languageEnglish
Pages (from-to)2065-2078
Number of pages14
JournalOptics Express
Issue number2
Publication statusPublished - 22 Jan 2018

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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