Jianxiang Du, Xiaoying Zong, Shikui Luo, Chao Gao. Plane wave transmitted wavefront simulation and measurement of filter with multi-spectrum[J]. Infrared and Laser Engineering, 2021, 50(9): 20200528
- Infrared and Laser Engineering
- Vol. 50, Issue 9, 20200528 (2021)
Fig. 1. Optical path length calculation of filter without coating
Fig. 2. Optical path length calculation of filter with coating
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Table 1. Visible spectrum experiments data
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Table 2. Surface sag and transmitted wavefront of the filter before and after coating in visible spectrum(RMS@λ =632.8 nm)
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Table 3. Infrared spectrum experiments data
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Table 4. Surface sag and transmitted wavefront of the filter before and after coating in infrared spectrum(RMS@λ =3.39 μm)
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