Abstract
A non-contact and non-invasion method to measure lens curvature radius was proposed. In the experiment, we developed a homemade Line Field Spectral Domain Optical Coherence Tomography (LF-OCT) System to measure lens curvature and focal length, using a broadband super luminescent diode (SLD) light source having a center wavelength of 830 nm. By using the methods of spectrum correction, the frequency, phase and amplitude can be corrected automatically and we can reach a higher accuracy. The result demonstrated that the LF-OCT has high accuracy and reliability and therefore it could be recommended to use in optical lens measurement due to its non-contact and non-invasion in nature.
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Acknowledgements
This work is supported by the Fujian Provincial Excellent Young Scientist Fund (2014J07007), the National Natural Science Foundation of China (51675103), the Training Program of Fujian Excellent Talents in Universities, the Specialized Research Fund for the Doctoral Program of Higher Education, the Ministry of Education, P. R. China and the Ministry of Health, P.R. China (WKJ-FJ-27).
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Lin, J., Zhong, S., You, T., Zhang, Q., Tong, J. (2018). Curvature Radius Measurement of Lens by Using Line Field Spectral Domain Optical Coherence Tomography. In: Yao, L., Zhong, S., Kikuta, H., Juang, JG., Anpo, M. (eds) Advanced Mechanical Science and Technology for the Industrial Revolution 4.0. FZU 2016. Springer, Singapore. https://doi.org/10.1007/978-981-10-4109-9_12
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