Chinese Optics Letters, Volume. 16, Issue 3, 031201(2018)
Multi-frequency lateral shear interferometer system for simultaneous measurement of thickness and three-dimensional shape
Fig. 2. Original fringes and their spectra: (a) Image with three different frequency fringes; (b) high-frequency fringe; (c) mid-frequency fringe; (d) low-frequency fringe; (e)–(g) spectra corresponding to (b)–(d), respectively.
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Xiangjun Dai, Tianyu Yuan, Hanyang Jiang, Xinxing Shao, Meiling Dai, Hai Yun, Fujun Yang, Xiaoyuan He, "Multi-frequency lateral shear interferometer system for simultaneous measurement of thickness and three-dimensional shape," Chin. Opt. Lett. 16, 031201 (2018)
Category: Instrumentation, measurement, and metrology
Received: Nov. 22, 2017
Accepted: Jan. 18, 2018
Published Online: Jul. 13, 2018
The Author Email: Xiangjun Dai (daixiangjun@sdut.edu.cn)