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Relevant bibliographies by topics / DIELECTRIC RECTANGULAR WAVE

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Academic literature on the topic 'DIELECTRIC RECTANGULAR WAVE'

Author: Grafiati

Published: 11 September 2023

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Journal articles on the topic "DIELECTRIC RECTANGULAR WAVE"

1

Sharma, Jigyasa, and Asok De. "FULL-WAVE ANALYSIS OF DIELECTRIC RECTANGULAR WAVEGUIDES." Progress In Electromagnetics Research M 13 (2010): 121–31. http://dx.doi.org/10.2528/pierm10051802.

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2

Rattanadecho, P., K. Aoki and, and M. Akahori. "Experimental Validation of a Combined Electromagnetic and Thermal Model for a Microwave Heating of Multi-Layered Materials Using a Rectangular Wave Guide." Journal of Heat Transfer 124, no. 5 (2002): 992–96. http://dx.doi.org/10.1115/1.1495521.

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The heating of multi-layered materials by microwave heating with rectangular wave guide has been investigated numerically and experimentally. The multi-layered materials, which consist of the layer of higher dielectric material (antireflection layer) and lower dielectric material (sample), have the convergent effect of the incident microwave in sample, and it can change the heating pattern in the sample with ease. In this study, the effect of an antireflection layer thickness on the heating process is clarified in detail, considering the interference between incidents and reflected waves in the dielectric materials. Based on a model combining the Maxwell and heat transport equations, the results showed that when a layer of lower dielectric material is attached in front of sample, the microwave energy absorbed and distribution of temperature within the sample are enhanced. The predicted results are in agreement with experimental results for microwave heating of multi-layered materials using a rectangular wave guide.

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3

Rastogi, A. K. "Shielded rectangular dielectric wave guides for millimeter wave integrated circuits." International Journal of Infrared and Millimeter Waves 14, no. 1 (1993): 47–65. http://dx.doi.org/10.1007/bf02274715.

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4

Li, Xiang Jiang, and Jing Fan. "Characteristics of Electromagnetic Waves Propagation in Corridor for High-Rise Buildings." Advanced Materials Research 490-495 (March 2012): 1278–83. http://dx.doi.org/10.4028/www.scientific.net/amr.490-495.1278.

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With the popularity of wireless communication systems, the question of radio signal coverage is getting more and more attentions in corridor for high-rise buildings. Using loss rectangular dielectric waveguide theory, the attenuation of electromagnetic wave transmission rate is calculated in theory. Because of the complexity of electromagnetic waves propagation conditions, site measurement of transmission loss is done in band 210MHz, 460MHz, 1.2GHz and 2.0GHz. Measurement results show that the wireless signal transmission loss rate is similar with the calculation of loss rectangular dielectric waveguide theory on the trend

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5

Paoloni, Claudio. "Nonrounded dielectric rectangular rods in helix traveling-wave tubes." Microwave and Optical Technology Letters 47, no. 2 (2005): 101–3. http://dx.doi.org/10.1002/mop.21093.

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6

Pochernyaev, V. N., and N. M. Syvkova. "EXTERNAL PARAMETERS OF THE CONNECTION OF A RECTANGULAR WAVEGUIDE PARTIALLY FILLED OF LINEAR DIELECTRIC WITH A RECTANGULAR WAVEGUIDE PARTIALLY FILLED OF NONLINEAR DIELECTRIC." Visnyk Universytetu “Ukraina”, no. 1 (28) 2020 (2020): 100–105. http://dx.doi.org/10.36994/2707-4110-2020-1-28-09.

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. In the article, the external parameters of the connection of a rectangular waveguide partially filled of linear dielectric with a rectangular waveguide partially filled of a nonlinear dielectric are determined. Knowledge of the external parameters of such a connection ensures the design of devices with open nonlinear elements. Promising microwave paths of radio engineering systems based on rectangular waveguides partially filled of dielectric include a wide variety of active and passive microwave devices. The plane-transverse junction of these waveguides is considered for various geometric dimensions of dielectric plates and their relative permittivity. Such a junction is characterized by reactive conductivity, which is determined through the sum of the reactive conductivities of local fields. The transverse electric field at the junction is represented through the eigenvector function of the geometric surface, which coincides with the cross section of the waveguides. The scattering matrix of the plane-transverse junction is determined through the conductivity of the sections of the two waveguides and the conductivity of the plane-transverse junction. The dependences of the traveling wave coefficient and the modulus of the reflection coefficient on the geometric dimensions of the dielectric plate are plotted taking into account the local fields generated at the plane transverse junction. At the junction of two waveguides, not only changed the geometric dimensions of the dielectric plates along the wide and narrow walls of the waveguide, but also their relative permittivity. In one case, two higher types of waves were taken into account: quasi - H30 and quasi - H12, in the other case - four higher types of waves: quasi - H30, quasi - H12, quasi - E12, quasi - H50. Calculations show that an increase in the number of higher types of waves has practically no effect on the accuracy of calculations. The results obtained indicate the rapid internal convergence of the obtained solutions and the correct choice of the transverse electric eigenvector function of rectangular waveguides partially filled of dielectric as approximate the field on the junction of two waveguides.

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Zheng, Lei, Urs Zywietz, Andrey Evlyukhin, Bernhard Roth, Ludger Overmeyer, and Carsten Reinhardt. "Experimental Demonstration of Surface Plasmon Polaritons Reflection and Transmission Effects." Sensors 19, no. 21 (2019): 4633. http://dx.doi.org/10.3390/s19214633.

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Special integrated photonic surface structures composed of a dielectric semicircle ridge and a dielectric block placed on a metal substrate are proposed for the investigation of surface plasmon polariton (SPP) reflection and transmission effects. A fabrication method called microscope projection photolithography was employed for the preparation of the structures. Leakage radiation microscopy was applied for the excitation and observation of surface plasmon polaritons (SPPs). It was observed that SPPs exhibit a remarkable decrease in intensity when impinging onto the rectangular dielectric block. Nevertheless, the transmitted wave out of the dielectric block was always observable. The propagation behavior of both the reflected waves at two boundaries (air/dielectric and dielectric/air) and the transmitted wave inside the dielectric block were demonstrated for different SPP incident conditions. The variation of the angles of reflection and transmission with respect to the incident angle was analytically and experimentally investigated. An agreement between the calculated results and the experimental results was obtained. Our findings might allow for novel applications in sensing and analytics once the structures will be functionalized.

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8

Huang, Yunqing, and Jichun Li. "Total Reflection and Cloaking by Triangular Defects Embedded in Zero Index Metamaterials." Advances in Applied Mathematics and Mechanics 7, no. 2 (2015): 135–44. http://dx.doi.org/10.4208/aamm.2014.m659.

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AbstractIn this work, we investigate wave propagation through a zero index meta-material (ZIM) waveguide embedded with triangular dielectric defects. We provide a theoretical guidance on how to achieve total reflection and total transmission (i.e., cloaking) by adjusting the defect sizes and/or permittivities of the defects. Our work provides a systematical way in manipulating wave propagation through ZIM in addition to the widely studied dielectric defects with cylindrical and rectangular geometries.

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9

Grigor’ev, Gennady I., Tatiana M. Zaboronkova, and Lev P. Kogan. "Intensity of Electromagnetic Wave into Layers with Fluctuations of Dielectric Permittivity." Radioelectronics. Nanosystems. Information Technologies. 13, no. 1 (2021): 3–12. http://dx.doi.org/10.17725/rensit.2021.13.003.

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The study is made of the intensity of a plane electromagnetic wave propagating into the layer with random discrete irregularities of the dielectric permittivity. The mean intensity of scattered field as a function of the parameters of random irregularities of rectangular and triangular forms is analyzed. It is shown that the deviation of the average intensity from the unperturbed value increases both the average amplitude and its standard of fluctuations. It is found that the amplitude of the intensity oscillations for a layer with irregularities of the rectangular shape is significantly greater than for fluctuations with the triangular profile.

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10

Gaya, Abinash, Mohd Haizal Jamaluddin, and Irfan Ali. "Wideband millimeter wave rectangular dielectric resonator antenna for 5G applications." Indonesian Journal of Electrical Engineering and Computer Science 19, no. 2 (2020): 1088. http://dx.doi.org/10.11591/ijeecs.v19.i2.pp1088-1094.

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<span>A probe fed rectangular dielectric resonator antenna (DRA) is designed here for millimeter wave 5G applications. A wide bandwidth of 5GHz has been achieved with frequency range from 24.24GHz to 29. 20GHz. The calculated percentage banwidth is 19% centered at 26GHz. The DRA is fed by a probe with a microstrip line of unequal strip dimensions over the substrate. <br /> The measured gain of the antenna is 6.25dBi. The calculated radiation efficiency is 96%. The measured axial ratio bandwidth is from 24.08GHz to 23.90GHz, which is about 0.75 percentage bandwidth. The probe height above to the substrate is optimized to exite the DRA. The microstripline coupling is used to resonate the DRA at desizred resonating frequency. <br /> The widebandwidth with high efficiency achived here will make this antenna suitable for the 5G applications at band 30 GHz.</span>

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Dissertations / Theses on the topic "DIELECTRIC RECTANGULAR WAVE"

1

Kot, J. S. "Rectangular dielectric waveguide for millimetre wave components." Thesis, University of Bath, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.374605.

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2

Hamilton, Dean P. "Novel dispersion representation of rectangular dielectric guides with application to leaky-wave antennas." Thesis, University of Warwick, 2007. http://wrap.warwick.ac.uk/36671/.

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A novel method for graphically and mathematically representing the dispersion characteristics of electromagnetic dielectric structures is presented. The method has been used to develop closed-form formulas to find the longitudinal propagation constant and useful frequency range for a number of popular rectangular dielectric waveguide types. These formulas are presented in terms of their material dependency and are guide size and operating frequency independent. Their form is so trivial that these characteristics can now be found in just a few seconds using a basic calculator, yet still with second order accuracy. In addition, improvements have been made to a number of well-known formulas normally associated with periodic grating leaky-wave antennas. These improvements allow the width of the metal strip grating to be taken into consideration to derive the correct main beam angle, array factor pattern and grating limits. Previously, the grating width was neglected by the formulas and the resulting error was unacceptably high.

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3

Mametsa, Henri-Jose. "Contribution à l'étude de nouvelles structures de filtrage utilisant des guides d'ondes rectangulaires à section droite inhomogène." Brest, 1987. http://www.theses.fr/1987BRES2020.

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Synthèse, analyse et réalisation de nouvelles structures de filtrages utilisant des sections de guides d'ondes et des inserts diélectriques; ceux-ci étant interchangeables et facilement usinables, il suffit, avec la même structure de guides métalliques, de calculer les dimensions des inserts pour réaliser la fonction désirée, d'où une technologie à faible coût.

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4

DABAS, DEEPENDER. "FULL WAVE ANALYSIS OF DIELECTRIC RECTANGULAR WAVE GUIDE WITH HARMONICS." Thesis, 2012. http://dspace.dtu.ac.in:8080/jspui/handle/repository/13918.

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M.TECH<br>The concept of guiding electromagnetic waves either along a single conducting wire with finite surface impedance or along a dielectric rod/slab has been known for a long time. There has been a lot of study on microwave waveguides and various methods have been evolved to find propagation constant and other parameters of a wave guide. Most of studies are being done by assuming cosine and sinusoidal fields as incidence field but very less people has assumed square field or harmonics field as incidence. Propagation modes of rectangular dielectric waveguide based on the expansion of electromagnetic field in terms of a series of circular harmonics (Bessel and modified Bessel multiplied by trigonometric function) has been done by Goell [10]. In this thesis, a non-sinusoidal signal has been considered as incidence wave to a Rectangular Dielectric waveguide. The wave function has been represented by a square wave which is distributed in two dimensions. These square waves have been represented by harmonics of sine and cosine function and their 3-D plots had been drawn using Matlab 7.0. The 3-D graphical representations of Eymn mode wave function for various harmonics (square wave) are similar as that obtained for simple cosine and sine functions [1]. These 3-D graph plots, give better visualization and understanding of field distribution in x and y directions for even and odd functions. Modes consisting of linear combinations of the established TE, TM, or HE modes can be constructed in a wave guide. Eymn and Exmn as well as hybrid modes are supported by the waveguide. The wave guidance takes place by the total internal refection at the side walls. The field components for the Eynm modes are Ex, Ey, Ez, Hx, and Hz, with Hy = 0 and the independent set of fields for the Exnm modes are Ex, Ez, Hx, Hy, and Hz, with Ey = 0. The complete set of fields is the sum of the Eynm and Exnm modal fields. The solutions to the rectangular dielectric guide problem have been derived by assuming guided mode propagation along the dielectric, and exponential decay of fields transverse to the dielectric surface. Thus, in the region of confinement, (inside the guide) due to reflections there is standing wave patterns and when the field goes out of the boundary of the guide, in the absence of reflection, the field moves away from the guide exponentially i.e. there is an exponential decay of fields, transverse to the dielectric surface. The fields are -xiiassumed to be approximately square wave distributed inside the waveguide and decaying exponentially outside. Wave function based on harmonics for even and odd functions have been derived for Eymn mode. Using Marcatili‟s, approximation method, the approximation of fields has been applied for inside and outside fields. Field at the extreme outside corner of the waveguide has been neglected as field strength is very weak at corners. Applying mode matching technique, the transverse plane of the waveguide has been divided into different regions, such that in each region canonical Eigen functions represent the electromagnetic fields. The Eigen value problem has been constructed, by enforcing the boundary conditions at the interface of each region. Assuming air dielectric interface and square wave form distribution of field inside the waveguide characteristic equations has been derived. Solution of characteristics equations for Ey11 modes assuming three harmonics of even and odd function is calculated graphically by MathCad Tool. Calculation of transverse propagation constants for inside (u and u1) and outside (v and v1) in x and y directions of waveguide has been done by taking a particular value to the ratio c1 and c2 (u/u1=c1 and v/v1=c2). The value of c1 is optimized to F/60 and c1 is taken equal to c2. Where, F is the operating frequency. Relative dielectric constant inside the waveguide is taken as three. Comparison of results of normalized propagation constant kz/k0 using this graphical method to that of Marcatili's and Goell's methods, for a silicon dielectric waveguide with a=0.5mm and b=1mm cross section, Ey11 mode has been done. This method works quite well for frequencies at the lower and middle range, when the wave is well guided, the results agree very well with the Marcatili's and Goell's method. At higher frequencies above cut-off, because of presence of harmonics, the normalized propagation constant differ from experimental or direct methods. Accurate calculations are more complicated at higher values of harmonics so it is done, only up to three harmonics. The result of three harmonic functions is very much consistent at lower frequencies and differs at higher frequencies.

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Books on the topic "DIELECTRIC RECTANGULAR WAVE"

1

K, Dominek Allen, and Lewis Research Center, eds. Constitutive parameter de-embedding using inhomogeneously-filled rectangular waveguides with longitudinal section modes. Ohio State University, ElectroScience Laboratory, Dept. of Electrical Engineering, 1990.

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2

A novel transition between rectangular waveguide and layered ridge dielectric waveguide. National Aeronautics and Space Administration, 1994.

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Book chapters on the topic "DIELECTRIC RECTANGULAR WAVE"

1

Hasnaoui, Yassine El, Tomader Mazri, and Mohamed El Hasnaoui. "Antenna Array with 1 × 4 Microstrip Rectangular Patch for New Wireless Applications at Millimetre-Waves Frequencies." In Proceedings of the Sixth International Symposium on Dielectric Materials and Applications (ISyDMA’6). Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-11397-0_18.

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2

Varma, Gaurav, and Rishabh Kumar Baudh. "Rhombus-Shaped Cross-Slot and Notched Loaded Microstrip Patch Antenna." In Design and Optimization of Sensors and Antennas for Wearable Devices. IGI Global, 2020. http://dx.doi.org/10.4018/978-1-5225-9683-7.ch009.

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The aim is to design a Rhombus microstrip patch antenna. The antenna operates at FL=1.447 GHz to FH=2.382 GHz frequency for wireless local area network (WLAN). This antenna operates at f=1.914 GHz resonant frequency. In microstrip patch antenna, many types of shapes like circular, triangular, rectangular, square, ring shape, etc. are used, but in this design a rectangular shape is used. In proposed antenna, the accuracy and efficiency are increased. Integral equation three-dimensional (3D) software (IE3D) is used for the optimize of the rhombus cross-slotted antenna design. The IE3D uses a full wave method of moment simulator. This antenna fabricated on FR4 glass epoxy double-sided copper dielectric material with relative permittivity of ∈ =4.4, thickness h= 1.60mm, and loss tangent is 0.013.

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3

Bhattacharyya, Nandan, and Jawad Yaseen Siddiqui. "Microstrip Antenna." In Contemporary Developments in High-Frequency Photonic Devices. IGI Global, 2019. http://dx.doi.org/10.4018/978-1-5225-8531-2.ch002.

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The microstrip antenna (MSA) consists of a dielectric substrate in between a metallic conducting patch and a ground plane. The most common forms of the MSA are the rectangular and circular patch MSAs. There are several microstrip antenna analysis methods. The most popular models are transmission-line model, cavity model, method of moments, FDTD method, and finite element method. The transmission-line model is the simplest of these methods, and it provides good physical insight but is less accurate. The cavity model is more accurate compared to the transmission-line model, but cavity model is more complex. Though cavity model gives good physical insight, it is rather difficult to model coupling. The full-wave models (which include primarily integral equations/moment method) are very accurate, very versatile, but they are the most complex models and usually give less physical insight. This chapter explores the microstrip antenna.

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Conference papers on the topic "DIELECTRIC RECTANGULAR WAVE"

1

Dabas, Deepender, Jigyasa Sharma, N. S. Raghava, and Asok De. "Square wave analysis of dielectric rectangular waveguide." In International Conference on Communication and Electronics System Design, edited by Vijay Janyani, M. Salim, and K. K. Sharma. SPIE, 2013. http://dx.doi.org/10.1117/12.2012338.

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Dabas, Deepender, Savita Dabas, and N. S. Raghava. "Field characteristics in dielectric rectangular wave guide with harmonics." In 2013 International Conference on Signal Processing and Communication (ICSC). IEEE, 2013. http://dx.doi.org/10.1109/icspcom.2013.6719823.

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3

Zhang, Chao Qun, Li Ying Feng, Meng Wang, Ying Liu, Cheng Dan, and Wu Sheng Ji. "Millimeter-Wave Substrate-Integrated Edge-Grounded Rectangular Dielectric Resonator Antenna." In 2022 International Conference on Microwave and Millimeter Wave Technology (ICMMT). IEEE, 2022. http://dx.doi.org/10.1109/icmmt55580.2022.10022532.

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4

Liang, Yu-Zhong, and Fu-Chang Chen. "Decoupling of Two Extremely Close Half-Volume Rectangular Dielectric Resonator Antennas." In 2022 International Conference on Microwave and Millimeter Wave Technology (ICMMT). IEEE, 2022. http://dx.doi.org/10.1109/icmmt55580.2022.10022611.

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Xu, Ji Ke, Li Ying Feng, Meng Wang, Mohammed Jajere Adamu, Ying Liu, and Wu Sheng Ji. "Millimeter-wave Dual Rectangular Dielectric Resonator Antenna with Bidirectional Radiation Pattern." In 2020 IEEE Asia-Pacific Microwave Conference (APMC 2020). IEEE, 2020. http://dx.doi.org/10.1109/apmc47863.2020.9331619.

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6

Lv, Dalong, Dongfang Zhou, Cuilian Song, and Dewei Zhang. "Dielectric -filled rectangular resonator and its application in millimeter wave equalizer." In 2013 IEEE Third International Conference on Information Science and Technology (ICIST). IEEE, 2013. http://dx.doi.org/10.1109/icist.2013.6747803.

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7

Ryazantseva, N. V., and V. V. Yachin. "Analysis of rectangular-cell double-periodic magneto-dielectric gratings." In Direct and Inverse Problems of Electromagnetic and Acoustic Wave Theory. Proceedings of 4th International Seminar/Workshop. DIPED - 99. IEEE, 1999. http://dx.doi.org/10.1109/diped.1999.822128.

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8

Kendall, P. O., M. J. Adams, P. McIlroy, S. Ritchie, and M. J. Robertson. "A New Technique for Analysing Planar Optical Waveguides." In Integrated and Guided Wave Optics. Optica Publishing Group, 1988. http://dx.doi.org/10.1364/igwo.1988.mf5.

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The increasing use of optical techniques for telecommunications, sensing and signal processing has generated much interest in the analysis of electro-magnetic radiation in open dielectric waveguide structures. Many opto-e1ectronic devices are planar, with rectangular refractive index distributions produced by the deposition of successive layers of different composition. The analysis of light propagation in such structures is much harder than, for example, optical fibres because of the lack of symmetry, the rectangular profiles and, in some cases, the large changes in refractive index.

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9

Deng, Jianqin, Wanshun Jiang, and Yuemin Ning. "A novel broadband transition of Rectangular waveguide-to-Coplanar Waveguide without dielectric substrate." In 2010 International Conference on Microwave and Millimeter Wave Technology (ICMMT). IEEE, 2010. http://dx.doi.org/10.1109/icmmt.2010.5525034.

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Kodali, Snehitha, Shreya Mohta, Tejas Munees, and Naveen G. Babu. "Analysis of Dielectric Rods Supported Anistropically Conducting Rectangular Helix Slow Wave Structure." In 2019 6th International Conference on Signal Processing and Integrated Networks (SPIN). IEEE, 2019. http://dx.doi.org/10.1109/spin.2019.8711721.

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