Surface relief resonant Brewster filters with multiple channels
Ma Jian-Yong(麻健勇)a)b)†, Liu Shi-Jie(刘世杰)a)b), Zhang Da-Wei(张大伟)a)b), Yao Jian-Ke(姚建可)a)b), Xu Cheng(许程)a)b), Jin Yun-Xia(晋云霞)a), Shao Jian-Da(邵建达)a), and Fan Zheng-Xiu(范正修)a)
a Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China; b Graduate School of Chinese Academy of Sciences, Beijing 100039, China
Abstract In this paper, a new type of resonant Brewster filters (RBF) with surface relief structure for the multiple channels is first presented by using the rigorous coupled-wave analysis and the $S$-matrix method. By tuning the depth of homogeneous layer which is under the surface relief structure, the multiple channels phenomenon is obtained. Long range, extremely low sidebands and multiple channels are found when the RBF with surface relief structure is illuminated with Transverse Magnetic incident polarization light near the Brewster angle calculated with the effective media theory of sub wavelength grating. Moreover, the wavelengths of RBF with surface relief structure can be easily shifted by changing the depth of homogeneous layer while its optical properties such as low sideband reflection and narrow band are not spoiled when the depth is changed. Furthermore, the variation of the grating thickness does not effectively change the resonant wavelength of RBF, but have a remarkable effect on its line width, which is very useful for designing such filters with different line widths at desired wavelength.
Received: 06 February 2008
Revised: 06 March 2008
Accepted manuscript online:
Fund: Project supported by the National
Natural Science Foundation of China (Grant No 10704079).
Cite this article:
Ma Jian-Yong(麻健勇), Liu Shi-Jie(刘世杰), Zhang Da-Wei(张大伟), Yao Jian-Ke(姚建可), Xu Cheng(许程), Jin Yun-Xia(晋云霞), Shao Jian-Da(邵建达), and Fan Zheng-Xiu(范正修) Surface relief resonant Brewster filters with multiple channels 2008 Chin. Phys. B 17 3704
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