MWIR narrowband filter based on guided-mode resonance subwavelength structure
This work proposes a novel design for a narrowband filter operating in the mid-wave infrared (MWIR) spectrum. The filter is designed with a single layer of slab waveguide decorated with ariy layer of gold grating arrays. This design demonstrates superior narrowband transmission properties within the...
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| Format: | Article |
| Language: | English |
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KeAi Communications Co., Ltd.
2025-06-01
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| Series: | Journal of Electronic Science and Technology |
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| Online Access: | http://www.sciencedirect.com/science/article/pii/S1674862X2500014X |
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| _version_ | 1850210094947500032 |
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| author | He-Zhuang Liu Jiang Wu |
| author_facet | He-Zhuang Liu Jiang Wu |
| author_sort | He-Zhuang Liu |
| collection | DOAJ |
| description | This work proposes a novel design for a narrowband filter operating in the mid-wave infrared (MWIR) spectrum. The filter is designed with a single layer of slab waveguide decorated with ariy layer of gold grating arrays. This design demonstrates superior narrowband transmission properties within the MWIR range, which can be explained in the framework of guided-mode resonance (GMR). Since MWIR spectral data is crucial for identifying the chemical fingerprint of man-made objects and natural materials, the GMR filters hold great potential in integration with commercial MWIR photodetectors and focal plane arrays (FPAs) and addressing the market's demand for ultra-compact spectral detection solutions. Theoretical studies have investigated the influential parameters in the GMR filter design and provided the methods towards optimal filtering performance. The center wavelength of these transmission filters exhibits significant tunability, spanning from 3 μm to 5 μm across the MWIR spectrum, while the full width at half maximum (FWHM) exhibits remarkable variability, ranging from 5.7 nm to 101.0 nm, enabling the attainment of desired filter performance contingent upon judicious waveguide material selection and optimized structural design. This work forges a path toward integrating multifunctional capabilities into ultra-compact MWIR sensors. |
| format | Article |
| id | doaj-art-592f14ea03cf498fa523eeedc8b2b60a |
| institution | OA Journals |
| issn | 2666-223X |
| language | English |
| publishDate | 2025-06-01 |
| publisher | KeAi Communications Co., Ltd. |
| record_format | Article |
| series | Journal of Electronic Science and Technology |
| spelling | doaj-art-592f14ea03cf498fa523eeedc8b2b60a2025-08-20T02:09:51ZengKeAi Communications Co., Ltd.Journal of Electronic Science and Technology2666-223X2025-06-0123210031310.1016/j.jnlest.2025.100313MWIR narrowband filter based on guided-mode resonance subwavelength structureHe-Zhuang Liu0Jiang Wu1Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Chengdu, 611731, China; Corresponding author.Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Chengdu, 611731, China; State Key Laboratory of Electronic Thin Films and Integrated Devices, University of Electronic Science and Technology of China, Chengdu, 611731, ChinaThis work proposes a novel design for a narrowband filter operating in the mid-wave infrared (MWIR) spectrum. The filter is designed with a single layer of slab waveguide decorated with ariy layer of gold grating arrays. This design demonstrates superior narrowband transmission properties within the MWIR range, which can be explained in the framework of guided-mode resonance (GMR). Since MWIR spectral data is crucial for identifying the chemical fingerprint of man-made objects and natural materials, the GMR filters hold great potential in integration with commercial MWIR photodetectors and focal plane arrays (FPAs) and addressing the market's demand for ultra-compact spectral detection solutions. Theoretical studies have investigated the influential parameters in the GMR filter design and provided the methods towards optimal filtering performance. The center wavelength of these transmission filters exhibits significant tunability, spanning from 3 μm to 5 μm across the MWIR spectrum, while the full width at half maximum (FWHM) exhibits remarkable variability, ranging from 5.7 nm to 101.0 nm, enabling the attainment of desired filter performance contingent upon judicious waveguide material selection and optimized structural design. This work forges a path toward integrating multifunctional capabilities into ultra-compact MWIR sensors.http://www.sciencedirect.com/science/article/pii/S1674862X2500014XGuided-mode resonance (GMR) filterMid-wave infrared (MWIR)Narrowband filterSubwavelength structureUltra-thin |
| spellingShingle | He-Zhuang Liu Jiang Wu MWIR narrowband filter based on guided-mode resonance subwavelength structure Journal of Electronic Science and Technology Guided-mode resonance (GMR) filter Mid-wave infrared (MWIR) Narrowband filter Subwavelength structure Ultra-thin |
| title | MWIR narrowband filter based on guided-mode resonance subwavelength structure |
| title_full | MWIR narrowband filter based on guided-mode resonance subwavelength structure |
| title_fullStr | MWIR narrowband filter based on guided-mode resonance subwavelength structure |
| title_full_unstemmed | MWIR narrowband filter based on guided-mode resonance subwavelength structure |
| title_short | MWIR narrowband filter based on guided-mode resonance subwavelength structure |
| title_sort | mwir narrowband filter based on guided mode resonance subwavelength structure |
| topic | Guided-mode resonance (GMR) filter Mid-wave infrared (MWIR) Narrowband filter Subwavelength structure Ultra-thin |
| url | http://www.sciencedirect.com/science/article/pii/S1674862X2500014X |
| work_keys_str_mv | AT hezhuangliu mwirnarrowbandfilterbasedonguidedmoderesonancesubwavelengthstructure AT jiangwu mwirnarrowbandfilterbasedonguidedmoderesonancesubwavelengthstructure |