| FUNDAMENTAL AREAS OF PHENOMENOLOGY(INCLUDING APPLICATIONS) |
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Experimental Demonstration of a Low-Pass Spatial Filter Based on a One-Dimensional Photonic Crystal with a Defect Layer |
| SONG Dong-Mo1, TANG Zhi-Xiang1**, ZHAO Lei2, SUI Zhan2, WEN Shuang-Chun1, FAN Dian-Yuan1 |
1Key Laboratory for Micro-/Nano-Optoelectronic Devices of Ministry of Education, College of Information Science and Engineering, Hunan University, Changsha 410082
2Research Center of Laser Fusion, Chinese Academic of Engineering Physics, Mianyang 621900
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| Cite this article: |
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SONG Dong-Mo, TANG Zhi-Xiang, ZHAO Lei et al 2013 Chin. Phys. Lett. 30 044206 |
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Abstract It is predicted theoretically that a one-dimensional photonic crystal (PC) with a defect layer has an incident-angle dependent transmittance. Growing a multilayer of this PC structure on a BK7 glass substrate by means of thermal vacuum evaporation, we have experimentally measured its transmittance at near-infrared wavelength. The measured transmittance are in good agreement with the theoretical prediction if the influence of random errors in the layer thicknesses resulting from the deposition process is excluded. This work suggests that a one-dimensional PC with a defect layer can be fabricated as a two-dimensional near-field low-pass spatial filter.
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Received: 11 December 2012
Published: 28 April 2013
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| PACS: |
42.70.Qs
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(Photonic bandgap materials)
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42.79.Ci
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(Filters, zone plates, and polarizers)
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78.20.Ci
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(Optical constants (including refractive index, complex dielectric constant, absorption, reflection and transmission coefficients, emissivity))
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81.15.Dj
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(E-beam and hot filament evaporation deposition)
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