Academic literature on the topic 'Wideband interference coating'

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Journal articles on the topic "Wideband interference coating"

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Schulz, U. "Wideband antireflection coatings by combining interference multilayers with structured top layers." Optics Express 17, no. 11 (2009): 8704. http://dx.doi.org/10.1364/oe.17.008704.

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Lyu, Zhou, Binzhen Zhang, Junping Duan, et al. "Transparent ultra-broadband absorber based on a tree seedling composite structure." Journal of Physics D: Applied Physics 55, no. 9 (2021): 095104. http://dx.doi.org/10.1088/1361-6463/ac3350.

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Abstract In this work, we design, analyze and process an ultra-broadband absorption optical transparent metamaterials absorbing device. The simulation results show that within the 13.68–71.6 GHz frequency range, the devicereaches more than 90% absorptivity, and that transverse magnetic waves and transverse waves under a large angle of polarization and incident angle can obtain high absorption performance. Therefore the device has the perfect performance of polarization insensitivity and wide angle of incidence. The absorbing mechanism is analyzed by using the equivalent medium theory, and the
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YANG Jiaqi, LONG Zhe, WANG Wei, NIU Lei, and WANG Rongping. "Research on Erbium-Doped Tellurium Oxide Ridge Waveguides for Optical Amplification." Acta Physica Sinica 74, no. 16 (2025): 0. https://doi.org/10.7498/aps.74.20250624.

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The rapid advancement of information technology has driven an exponential demand for high-speed, large-capacity data transmission and processing. Traditional electronic communication systems face inherent limitations such as bandwidth constraints and electromagnetic interference, prompting a paradigm shift toward photonic technologies. Integrated optical waveguides, as core components of on-chip photonic systems, enable efficient light confinement and manipulation at microscale dimensions, offering advantages in miniaturization, low power consumption, and high compatibility with existing optic
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Sui, Sai, Jiafu Wang, Yongqiang Pang, Jieqiu Zhang, Zhuo Xu, and Shaobo Qu. "Transparent Metasurface for Wideband Backward Scattering Reduction with Synthetic Optimization Algorithm." Journal of Physics D: Applied Physics, April 6, 2022. http://dx.doi.org/10.1088/1361-6463/ac64da.

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Abstract An optical transparent metasurface for wideband backward scattering reduction with synthetic optimization method is proposed, which makes full use of the simultaneity of electromagnetic absorption and interference suppression, so that backward scattering can be flexibly manipulated. To validate the design procedure, a metasurface with optical transparency is designed, fabricated and experimentally tested, which turns out to significantly enhance the efficiency in the frequency range of 6.2-20.8GHz and exhibits about 79.5% averaged transmittance of optical transparency in the wavelengt
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Kou, Shanshan, Mingzhao Ouyang, Jinshuang Wu, et al. "Wideband antireflection coatings by combining interference multilayers with structured top layers in mid infrared spectral." Optical Materials, August 2024, 116037. http://dx.doi.org/10.1016/j.optmat.2024.116037.

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wang, ziyue, qikun liu, Mengyao Yan, Jie Liang, and Dongfang Zhou. "Double-layer broadband transmission metasurface and its application in low sidelobe antenna." Journal of Physics D: Applied Physics, March 14, 2023. http://dx.doi.org/10.1088/1361-6463/acc40d.

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Abstract This study proposes a double-layer metasurface which is capable of conducting independent amplitude and phase modulation for transmitting x-polarized waves under y-polarized incidence. The phase modulation is controlled by regulating the opening angle of the middle metal ring. Meanwhile, amplitude modulation is achieved by adjusting the rotation angle of the opening ring structure. The cross-polarized transmission response achieves complete phase and amplitude coverage and exhibits wideband characteristic with which a 3-dB gain bandwidth of 54.6 % (5.4-9.5GHz). The polarization isolat
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Fang, Yang, Peilin Hui, Zhenmao Chen, Yong Li, Shejuan Xie, and Hongen Chen. "A miniaturized spot-focusing microwave sensor for broad-band reflectivity measurements." Measurement Science and Technology, December 8, 2023. http://dx.doi.org/10.1088/1361-6501/ad13e7.

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Abstract This study presents a novel spot-focusing microwave sensor designed for on-site monitoring of absorbing materials and coatings, a critical process in assessing the performance of equipment in service. The sensor addresses the challenge of integrating miniaturization, wide bandwidth, and focused radiation-requirements that are typically at odds in microwave sensor design. The developed approach utilizing a multi-layer lens nesting structure to achieve narrow-beam radiation over an ultra-wideband (UWB) frequency range. Each layer of the lens system is engineered to concentrate beams wit
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Saleem, Muhammad, Muhammad Irfan, Shahid Atiq, and Muhammad Rizwan Anjum. "Low Reflection of Antenna with wideband Reduced Backscattered Field Based on Phase Interference Technique." physica status solidi (a), January 26, 2023. http://dx.doi.org/10.1002/pssa.202200666.

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Chao, Xiongying, Yan Xu, Feng Huang, and Zhaoyang Chen. "A High-quality Broadband Tunable Terahertz Metamaterial Absorber Based on Graphene." Journal of Physics D: Applied Physics, November 2, 2023. http://dx.doi.org/10.1088/1361-6463/ad0912.

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Abstract We design a graphene-based broadband tunable terahertz metamaterial absorber (MMA). Its structure consists of a surface graphene pattern layer, a medium layer and an underlying metal film. CST simulation results show that the absorption bandwidth for more than 90% absorption rate reaches 2.12 THz, and the range is 3.2-5.32 THz. The absorption bandwidth for more than 99% absorption rate reaches 1.38 THz, and the range is 3.45-4.83 THz, which was not achieved by most of the previous MMA. Multiple reflection interference theory is used to confirm the simulation results. In order to explo
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Qi, Huan Huan, and Haiwen Liu. "Wideband Phased Array Design using Hairpin Ring Resonator (HRR) and DGS for Double Band-notched Performance." Journal of Physics D: Applied Physics, December 12, 2023. http://dx.doi.org/10.1088/1361-6463/ad14b9.

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Abstract In this paper, a wideband Vivaldi phased array with double band-notched performance for radio astronomy is proposed. To address the issues of radio frequency interference (RFI) from 5G mobile communication (4.8-5 GHz) and C-band satellite communication (5.9-6.5 GHz) in radio astronomy system, the hairpin ring resonator (HRR), defected ground structure (DGS) and λ/2 shorted-circuit stub are utilized together to realize the double notched bands with different bandwidth. The resonate mechanism of the proposed HRR is widely investigated, which exhibits independent and controllable resonan
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Dissertations / Theses on the topic "Wideband interference coating"

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Ovcharenko, A. P., V. I. Bilozertseva, D. T. Tranh, D. A. Gaman, and H. M. Khlyap. "New Aspects of Design of Wide-Band Interference Coatings Based on Six-Layer Period." Thesis, Sumy State University, 2012. http://essuir.sumdu.edu.ua/handle/123456789/35457.

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The paper proposes new approach top the design of wide-band interference filters with suppression adjacent stop-bands. The method of research of the multi-layered interference system, allowing to find the necessary of refractive indices of layers, is presented. The results described in communication open new possibilities for construction and calculation of devices based on thin film materials. When you are citing the document, use the following link http://essuir.sumdu.edu.ua/handle/123456789/35457
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Conference papers on the topic "Wideband interference coating"

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Sugiura, Muneo, Takuro Yoshida, Hisayuki Oguchi, Hiroaki Suzuki, Chiaki Inoue, and Keiji Nishimoto. "Wideband Polarized Beam Combiner with Low Thermal Rise Property for High-Brightness Blue Laser." In Optical Interference Coatings. Optica Publishing Group, 2025. https://doi.org/10.1364/oic.2025.ta.4.

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We have developed wideband polarized beam combiners for blue lasers by magnetron sputtering and confirmed that its low thermal rise property allows to double the output energy from the laser while maintaining high beam quality.
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Campanelli, Mark B., and Douglas J. Smith. "A wideband optical monitor for a planetary-rotation coating-system." In Optical Interference Coatings. Optica Publishing Group, 1997. http://dx.doi.org/10.1364/oic.1998.the.7.

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A substrate-specific, through-planet, wideband optical coating monitor is being developed to increase production yield and the understanding of physical vapor deposition (PVD) coatings fabricated in the Optical Manufacturing Laboratory at the University of Rochester’s Laboratory for Laser Energetics. In-situ wideband optical monitoring of planetary rotation systems allows direct monitoring of large, expensive substrates with complex layering schemes. The optical monitor discussed here is under development for coating several large (e.g., 80.7 x 41.7 x 9.0 cm) polarizers for the National Igniti
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Zheng, Anmin, Alan Whatley, and Bertrand G. Bovard. "Extending Transmittance Bandwidth of Filters." In Optical Interference Coatings. Optica Publishing Group, 1995. http://dx.doi.org/10.1364/oic.1995.mb8.

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From time to time, IR optical systems require blocking for all wavelengths from the middle ( 8μm ) to the far IR., beyond 40pm, ( even 50μm ). In many cases, particularly at cold temperatures, the use of the absorption of coating materials and substrates to block the radiation is not enough. Therefore interference filters are required to produce such wide wideband blocking. Furthermore, these interference filters sometimes require wideband reflectance at the long wavelengths complemented with wideband transmittance at the short wavelengths.Unfortunately, such special requirement cannot be met
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Tikhonravov, Alexander V., Igor V. Kochikov, Michael K. Trubetskov, Anna V. Krasilnikova, and Douglas J. Smith. "Stabilization of the on-line characterization procedure using spectral monitoring data." In Optical Interference Coatings. Optica Publishing Group, 1997. http://dx.doi.org/10.1364/oic.1998.the.6.

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Wideband in-situ optical monitoring enables the on-line characterization of optical coatings. Such characterization is an important part of the deposition error compensation process.1,2 In the case of bulk-like thin films and highly stable deposition processes it is possible to determine only one parameter, the current layer thickness, after the deposition of each layer.2 In the case of porous thin films and less stable deposition processes a reliable determination of optical coating parameters is more difficult, and a search for several parameters may be required after each layer deposition.
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Arhilger, D., H. Hagedorn, M. Jäger, and A. Zöller. "Advances in direct optical monitoring using a wideband spectrometer and a new thin film optical monitoring software." In Optical Interference Coatings. Optica Publishing Group, 2022. http://dx.doi.org/10.1364/oic.2022.wc.7.

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A new thin film optical monitoring software (TOMS) has been developed, supporting the in-situ direct optical monitoring and process simulation with various thickness control strategies. We discuss the functionalities and present various coating results.
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Yen, Yi-hsun, and Li Li. "A Wideband Monitoring and Measuring System for Optical Coatings." In Optical Interference Coatings. Optica Publishing Group, 1988. http://dx.doi.org/10.1364/oic.1988.tud4.

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Today, non-quaterwave optical coatings are commonly used in production, especially due to the rapid development of CAD technique. The wideband monitoring method, proposed by B. Vidal, A. Fornier and E. Pelletier [1] in 1978, is very effective to solve the monitoring problem of this kind of coatings. A practical wideband monitoring system has been established in our laboratory.
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Sullivan, Brian T. "Monitoring and Thickness Control of Thin Films." In Optical Interference Coatings. Optica Publishing Group, 1995. http://dx.doi.org/10.1364/oic.1995.tuc1.

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In order to deposit complex optical multilayer coatings, accurate layer thickness control during deposition is required. Several different approaches will be reviewed including quartz crystal monitoring, single wavelength optical monitoring (most-sensitive wavelength or extremum) and wideband optical monitoring. The advantages and disadvantages of each method will be discussed and examples of multilayer coatings deposited by each method will be presented.
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Wang, Jinfeng, and Jie Tian. "Research Development of Ultra Wideband High Reflection Films for Astronomical Telescopes." In Optical Interference Coatings. OSA, 2019. http://dx.doi.org/10.1364/oic.2019.mb.8.

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Nenchev, M., M. Geneva, D. Slavov, and E. Stoykova. "A Qualitative Improvement of the Passive Self-Injection Locking Method for Spectral Control of Dye and Ti:Al2O3 Lasers by Dual-pulse pumping." In The European Conference on Lasers and Electro-Optics. Optica Publishing Group, 1996. http://dx.doi.org/10.1364/cleo_europe.1996.cthi53.

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Passive self-injection locking (PSIL) laser control yields efficiency close to that in the optimized non-selective cavity [1]. The principle of PSIL lies in the spectrally selective reinjection through the one of the outputs in two-outputs cavity. Its main problem is the wideband free lasing at high pump levels. We show (theory, experiment) that die background emission in a PSIL-controlled dye or Ti:Al2O3 laser can be reduced drastically by dual-pulse pumping when the laser is pumped first by a near threshold pulse and second by the main pulse which is X=30+50 times the threshold. The scheme o
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Bruynooghe, S., M. Helgert, M. Challier, et al. "Wideband antireflection coatings combining interference multilayers and subwavelength structures prepared by reactive ion etching." In SPIE Nanoscience + Engineering, edited by Akhlesh Lakhtakia, Tom G. Mackay, and Motofumi Suzuki. SPIE, 2015. http://dx.doi.org/10.1117/12.2189810.

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