Elliptical concave surface test

Qun Wei; Chao Wang; Linyao Yu; Tianyi Zhang; Hongguang Jia

doi:10.1117/12.970401

15 October 2012 Elliptical concave surface test

Qun Wei, Chao Wang, Linyao Yu, Tianyi Zhang, Hongguang Jia

Proceedings Volume 8417, 6th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optical Test and Measurement Technology and Equipment; 84173E (2012) https://doi.org/10.1117/12.970401
Event: 6th International Symposium on Advanced Optical Manufacturing and Testing Technologies (AOMATT 2012), 2012, Xiamen, China

Abstract

Conformal optical dome can induce the drag of the missile. The conformal dome test is an important way to make the dome perfect for imaging. This paper shows a interference test of elliptical conformal dome's inside surface. First, the test system is designed by zero position method. The test system is composed by two parts: the focal lens and the spherical mirror. The interferometer used is operating in 632.8nm. The ideal test system's resolution is 0.0065waves in PV(peak to valley) value and 0.004 waves in RMS(root mean square) value. The next step is tolerance analysis. According to the optical and mechanical manufacture level, the tolerance analysis is done by optical software ZEMAX. The results are 1.219 waves in PV value and 0.249 in RMS value. The working wavelength is 4.2μm for conformal dome. After calculation, the PV value is 0.179 waves and the RMS value is 0.0366 waves. Finally, the bolster is designed, and for the key structure the topology optimizing is simulated

Citation Download Citation

Qun Wei, Chao Wang, Linyao Yu, Tianyi Zhang, and Hongguang Jia "Elliptical concave surface test", Proc. SPIE 8417, 6th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optical Test and Measurement Technology and Equipment, 84173E (15 October 2012); https://doi.org/10.1117/12.970401

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