Line width analysis of a tunable optical filter based on free-space optics |
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| Authors: | Bingcheng Mo Rui Zhong Zhujun Wan |
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| Affiliation: | 1. National Engineering Laboratory for Next Generation Internet Access System (HUST), Wuhan 430074, PR China;2. School of Optical and Electronic Information, Huazhong University of Science and Technology, Wuhan 430074, PR China |
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| Abstract: | The line width of a tunable optical filter based on free-space optics was analyzed. The relationship between the line width and the Gaussian beam waist was theoretically derived and experimentally verified. The experimental results meet the theoretical analysis well, which is beneficial for the design of a tunable optical filter based on free-space optics. |
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| Keywords: | Tunable optical filter Line width Free-space optics Gaussian beam |
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