Pub Date : 2020-08-01DOI: 10.1109/UCET51115.2020.9205381
Awab Muhammad, M. U. Khan, R. Hussain, F. A. Tahir
This paper presents a new beam shaping technique for a linear array. The technique is based on discretization of the desired array factor at specified discrete locations. At each location, a weighted pencil beam is placed which is obtained through Taylor synthesis, whereas the weight of the pencil beam depends upon the desired array factor. Superposition of weighted pencil beams approximates the desired pattern. The method gives a better compromise between shaped beam and sidelobe level (SLL). Two beam shapes are realized using the proposed method to verify its effectiveness. A comparison with similar beam shaping methods shows that the proposed method results in accurate beam shape with low SLLs.
{"title":"A New Sampling Approach for Beam Shaping Through Superposition of Taylor Distributed Composing Functions","authors":"Awab Muhammad, M. U. Khan, R. Hussain, F. A. Tahir","doi":"10.1109/UCET51115.2020.9205381","DOIUrl":"https://doi.org/10.1109/UCET51115.2020.9205381","url":null,"abstract":"This paper presents a new beam shaping technique for a linear array. The technique is based on discretization of the desired array factor at specified discrete locations. At each location, a weighted pencil beam is placed which is obtained through Taylor synthesis, whereas the weight of the pencil beam depends upon the desired array factor. Superposition of weighted pencil beams approximates the desired pattern. The method gives a better compromise between shaped beam and sidelobe level (SLL). Two beam shapes are realized using the proposed method to verify its effectiveness. A comparison with similar beam shaping methods shows that the proposed method results in accurate beam shape with low SLLs.","PeriodicalId":163493,"journal":{"name":"2020 International Conference on UK-China Emerging Technologies (UCET)","volume":"37 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129965186","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2020-08-01DOI: 10.1109/UCET51115.2020.9205463
M. Saeed, S. Rehman, M. Rehman, Syed Muhammad Shahzad Zia, M. Sohaib, Zagham Abbas Aqeel
A novel multi-band stepped impedance resonator (SIR) based microstrip antenna is presented in this paper. The presented antenna is explicitly designed to overcome the multi-standard requirements of future wireless communication systems. The antenna contains six radiating patches, occupies a volume of 85x50x1.574mm. The antenna contains three short-circuited dual band SIR radiating patches. The SIR radiating patches are optimized to operate at the specified frequency bands of 0.9GHz, 1.2GHz, 1.5GHz, 2.5GHz, 2.75GHz, and 3.65 GHz. The SIR radiating patches are fed using a single coaxial feeding technique which shows a good matching of 50 Ohm. In stepped impedance technique; of three resonators one of the radiating patches is short circuited with a ground. The simulated results of the reflection coefficient, impedance matching, and peak gains show stable responses and are acceptable. The Antenna is designed using FR-4 as a substrate whereas; CST studio and MATLAB are utilized as simulation tool. The proposed antenna verifies to be a suitable candidate for small mobile devices and other multi-standard wireless communication devices.
{"title":"Multiband Stepped Impedance Resonator (SIR) Based Antenna for Future Wireless Applications","authors":"M. Saeed, S. Rehman, M. Rehman, Syed Muhammad Shahzad Zia, M. Sohaib, Zagham Abbas Aqeel","doi":"10.1109/UCET51115.2020.9205463","DOIUrl":"https://doi.org/10.1109/UCET51115.2020.9205463","url":null,"abstract":"A novel multi-band stepped impedance resonator (SIR) based microstrip antenna is presented in this paper. The presented antenna is explicitly designed to overcome the multi-standard requirements of future wireless communication systems. The antenna contains six radiating patches, occupies a volume of 85x50x1.574mm. The antenna contains three short-circuited dual band SIR radiating patches. The SIR radiating patches are optimized to operate at the specified frequency bands of 0.9GHz, 1.2GHz, 1.5GHz, 2.5GHz, 2.75GHz, and 3.65 GHz. The SIR radiating patches are fed using a single coaxial feeding technique which shows a good matching of 50 Ohm. In stepped impedance technique; of three resonators one of the radiating patches is short circuited with a ground. The simulated results of the reflection coefficient, impedance matching, and peak gains show stable responses and are acceptable. The Antenna is designed using FR-4 as a substrate whereas; CST studio and MATLAB are utilized as simulation tool. The proposed antenna verifies to be a suitable candidate for small mobile devices and other multi-standard wireless communication devices.","PeriodicalId":163493,"journal":{"name":"2020 International Conference on UK-China Emerging Technologies (UCET)","volume":"504 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117036006","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2020-08-01DOI: 10.1109/UCET51115.2020.9205448
Zhenxing Sun, Rulei Xiao, Gen Lv, Zhirui Su, Yating Zhou, Xiangfei Chen
A four-channel wavelength-tunable in-series DFB laser array with 100-GHz channel spacing is demonstrated. The reconstruction-equivalent-chirp technique is used to simplify the fabrication of the grating and achieve precise control of the grating phase. From the experiment results, the proposed laser array works with good single mode properties and high uniform channel spacing. Channel switching time of less than 1.2 μs is obtained by on/off switching of different lasers.
{"title":"Experimental Demonstration of Four-channel Tunable In-series DFB Laser Array with 100-GHz Spacing","authors":"Zhenxing Sun, Rulei Xiao, Gen Lv, Zhirui Su, Yating Zhou, Xiangfei Chen","doi":"10.1109/UCET51115.2020.9205448","DOIUrl":"https://doi.org/10.1109/UCET51115.2020.9205448","url":null,"abstract":"A four-channel wavelength-tunable in-series DFB laser array with 100-GHz channel spacing is demonstrated. The reconstruction-equivalent-chirp technique is used to simplify the fabrication of the grating and achieve precise control of the grating phase. From the experiment results, the proposed laser array works with good single mode properties and high uniform channel spacing. Channel switching time of less than 1.2 μs is obtained by on/off switching of different lasers.","PeriodicalId":163493,"journal":{"name":"2020 International Conference on UK-China Emerging Technologies (UCET)","volume":"2677 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122380988","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2020-08-01DOI: 10.1109/UCET51115.2020.9205409
K. Hossain, T. Sabapathy, M. Jusoh, P. Soh, A. F. M. Fazilah, Ahmad Ashraf Abdul Halim, N. S. Raghava, S. Podilchak, D. Schreurs, Q. Abbasi
A decagonal-shaped split ring resonator metamaterial based on a wearable or textile-based material is presented in this work. Analysis and comparison of various structure sizes are compared considering a compact $6times 6 mathrm{m}mathrm{m}^{2}$ metamaterial unit cell, in particular, where robust transmission-reflection (RTR) and Nicolson-Ross-Weir (NRW) methods have been performed to extract the effective metamaterial parameters. An investigation based on the RTR method indicated an average bandwidth of 1.39 GHz with a near-zero refractive index (NZRI) and a 2.35 GHz bandwidth when considering epsilon negative (ENG) characteristics. On the other hand, for the NRW method, approximately 0.95 GHz of NZRI bandwidth and 2.46 GHz of ENG bandwidth have been observed, respectively. These results are also within the ultra-wideband (UWB) frequency range, suggesting that the proposed unit cell structure is suitable for textile UWB antennas, biomedical sensors, related wearable systems, and other wireless body area network communication systems.
{"title":"ENG and NZRI Characteristics of Decagonal-Shaped Metamaterial for Wearable Applications","authors":"K. Hossain, T. Sabapathy, M. Jusoh, P. Soh, A. F. M. Fazilah, Ahmad Ashraf Abdul Halim, N. S. Raghava, S. Podilchak, D. Schreurs, Q. Abbasi","doi":"10.1109/UCET51115.2020.9205409","DOIUrl":"https://doi.org/10.1109/UCET51115.2020.9205409","url":null,"abstract":"A decagonal-shaped split ring resonator metamaterial based on a wearable or textile-based material is presented in this work. Analysis and comparison of various structure sizes are compared considering a compact $6times 6 mathrm{m}mathrm{m}^{2}$ metamaterial unit cell, in particular, where robust transmission-reflection (RTR) and Nicolson-Ross-Weir (NRW) methods have been performed to extract the effective metamaterial parameters. An investigation based on the RTR method indicated an average bandwidth of 1.39 GHz with a near-zero refractive index (NZRI) and a 2.35 GHz bandwidth when considering epsilon negative (ENG) characteristics. On the other hand, for the NRW method, approximately 0.95 GHz of NZRI bandwidth and 2.46 GHz of ENG bandwidth have been observed, respectively. These results are also within the ultra-wideband (UWB) frequency range, suggesting that the proposed unit cell structure is suitable for textile UWB antennas, biomedical sensors, related wearable systems, and other wireless body area network communication systems.","PeriodicalId":163493,"journal":{"name":"2020 International Conference on UK-China Emerging Technologies (UCET)","volume":"3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128112400","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
We review a new kind of distributed feedback (DFB) semiconductor laser based on sampled moiré grating (SMG). It has some significant advantages such as good singlelongitudinal-mode (SLM) operation, suppressing spatial hole burning and compact structure. A four-channel DFB laser array based on SMG has been experimentally demonstrated. When the injected current exceeds 400 mA, the output power of the SMG-DFB laser array is more than 120 mW. However, the random facet phase induced by facet coatings can decrease the SLM yield and change the lasing wavelength. We proposed a method to improve the single mode stability via replacing the high-reflectivity coating with anti-reflection coated integrated grating reflector. The proposed high-power SLM DFB semiconductor laser and laser array may be beneficial for the silicon photonic chips that suffer from high light scattering loss.
{"title":"Study on the high-power DFB semiconductor laser based on sampled moiré grating","authors":"Shengping Liu, Yuxin Ma, Min Chen, Yong Zhao, Yue-chun Shi, Xiangfei Chen","doi":"10.1109/UCET51115.2020.9205359","DOIUrl":"https://doi.org/10.1109/UCET51115.2020.9205359","url":null,"abstract":"We review a new kind of distributed feedback (DFB) semiconductor laser based on sampled moiré grating (SMG). It has some significant advantages such as good singlelongitudinal-mode (SLM) operation, suppressing spatial hole burning and compact structure. A four-channel DFB laser array based on SMG has been experimentally demonstrated. When the injected current exceeds 400 mA, the output power of the SMG-DFB laser array is more than 120 mW. However, the random facet phase induced by facet coatings can decrease the SLM yield and change the lasing wavelength. We proposed a method to improve the single mode stability via replacing the high-reflectivity coating with anti-reflection coated integrated grating reflector. The proposed high-power SLM DFB semiconductor laser and laser array may be beneficial for the silicon photonic chips that suffer from high light scattering loss.","PeriodicalId":163493,"journal":{"name":"2020 International Conference on UK-China Emerging Technologies (UCET)","volume":"31 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115920892","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2020-08-01DOI: 10.1109/UCET51115.2020.9205408
A. K. Dwivedi, Anand Sharma, A. Singh, Vivek Singh
A two-port circularly polarized multiple inputs multiple outputs (MIMO) cylindrical dielectric resonator antenna (cDRA) is proposed for 5G Applications. The orthogonal orientation of antenna elements allows us to obtain the isolation of more than 15 dB. The Z-shaped slot incorporated on the ground plane produces the circular polarization and introduction of cDRA of optimized dimensions and aperture coupled feeding helps to obtain wide impedance bandwidth and high efficiency on operating bands. The proposed antenna has three resonating bands of 2.9–3.2 GHz, 3.44–3.64 GHz, and 4.75-5.5 GHz. 3-dB axial ratio bandwidths within the operating bands are 7.54 % and 6.21 % respectively. The MIMO antenna performance is justified by computing the envelope correlation coefficient (ECC) and diversity gain (dB). Measured and simulated results are in harmony.
{"title":"Circularly Polarized Two Port MIMO Cylindrical DRA for 5G Applications","authors":"A. K. Dwivedi, Anand Sharma, A. Singh, Vivek Singh","doi":"10.1109/UCET51115.2020.9205408","DOIUrl":"https://doi.org/10.1109/UCET51115.2020.9205408","url":null,"abstract":"A two-port circularly polarized multiple inputs multiple outputs (MIMO) cylindrical dielectric resonator antenna (cDRA) is proposed for 5G Applications. The orthogonal orientation of antenna elements allows us to obtain the isolation of more than 15 dB. The Z-shaped slot incorporated on the ground plane produces the circular polarization and introduction of cDRA of optimized dimensions and aperture coupled feeding helps to obtain wide impedance bandwidth and high efficiency on operating bands. The proposed antenna has three resonating bands of 2.9–3.2 GHz, 3.44–3.64 GHz, and 4.75-5.5 GHz. 3-dB axial ratio bandwidths within the operating bands are 7.54 % and 6.21 % respectively. The MIMO antenna performance is justified by computing the envelope correlation coefficient (ECC) and diversity gain (dB). Measured and simulated results are in harmony.","PeriodicalId":163493,"journal":{"name":"2020 International Conference on UK-China Emerging Technologies (UCET)","volume":"9 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122738448","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2020-08-01DOI: 10.1109/UCET51115.2020.9205472
W. A. Awan, S. Naqvi, Niamat Hussain, A. Zaidi, A. H. Naqvi, A. Hameed
A Co-Planar Waveguide (CPW) Fed frequency reconfigurable antenna for compact portable devices and heterogeneous applications is presented in this paper. The antenna offers a small electrical size of $0.17 lambda_{0} times 0.12 lambda_{0} times 0.013 lambda 0$, where} $lambda_{0}$ correspond to free space wavelength at lowest resonance. The geometrical configuration of the antenna comprises of the simple structure consist of a triangular radiator connected with two serpentines by means of the diode. By switching the diode state the antenna either operates in single wideband mode, dual-band mode or 2 tri-band modes. To verify the performance parameters of proposed work a prototype was fabricated and measured. Moreover, to demonstrate the potential of the proposed work it is compared with the state of the artworks.
{"title":"Electrically Small Frequency Reconfigurable Antenna for Heterogeneous Applications","authors":"W. A. Awan, S. Naqvi, Niamat Hussain, A. Zaidi, A. H. Naqvi, A. Hameed","doi":"10.1109/UCET51115.2020.9205472","DOIUrl":"https://doi.org/10.1109/UCET51115.2020.9205472","url":null,"abstract":"A Co-Planar Waveguide (CPW) Fed frequency reconfigurable antenna for compact portable devices and heterogeneous applications is presented in this paper. The antenna offers a small electrical size of $0.17 lambda_{0} times 0.12 lambda_{0} times 0.013 lambda 0$, where} $lambda_{0}$ correspond to free space wavelength at lowest resonance. The geometrical configuration of the antenna comprises of the simple structure consist of a triangular radiator connected with two serpentines by means of the diode. By switching the diode state the antenna either operates in single wideband mode, dual-band mode or 2 tri-band modes. To verify the performance parameters of proposed work a prototype was fabricated and measured. Moreover, to demonstrate the potential of the proposed work it is compared with the state of the artworks.","PeriodicalId":163493,"journal":{"name":"2020 International Conference on UK-China Emerging Technologies (UCET)","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128341791","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2020-08-01DOI: 10.1109/UCET51115.2020.9205370
H. Ullah, F. A. Tahir
A millimeter-wave antenna working in 28 GHz band is presented here. It has an asymmetric meandered line path radiator, laid down in a semi-circular region. The antenna’s impedance bandwidth is improved via the use of hexagonal parasitic patches placed at its back side. The meandered line radiating element is fed by a microstrip line connected through a smooth tapered line. The antenna has an overall dimension of 6×4 mm2, and has an ultra-thin 0.254 mm substrate platform. It has a 6.3% bandwidth at 28 GHz, ranging from 27.13-28.90 GHz. The antenna possess very high radiation efficiency of more than 90% and a gain of 2.25 dBi. The antennas compact structure, simple planar design, low loss and large bandwidth will be of considerable interest for 5G system developer.
{"title":"An Asymmetric Semi-circular Meandered Line Monopole Antenna for 28 GHz 5G Communications","authors":"H. Ullah, F. A. Tahir","doi":"10.1109/UCET51115.2020.9205370","DOIUrl":"https://doi.org/10.1109/UCET51115.2020.9205370","url":null,"abstract":"A millimeter-wave antenna working in 28 GHz band is presented here. It has an asymmetric meandered line path radiator, laid down in a semi-circular region. The antenna’s impedance bandwidth is improved via the use of hexagonal parasitic patches placed at its back side. The meandered line radiating element is fed by a microstrip line connected through a smooth tapered line. The antenna has an overall dimension of 6×4 mm2, and has an ultra-thin 0.254 mm substrate platform. It has a 6.3% bandwidth at 28 GHz, ranging from 27.13-28.90 GHz. The antenna possess very high radiation efficiency of more than 90% and a gain of 2.25 dBi. The antennas compact structure, simple planar design, low loss and large bandwidth will be of considerable interest for 5G system developer.","PeriodicalId":163493,"journal":{"name":"2020 International Conference on UK-China Emerging Technologies (UCET)","volume":"44 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126309089","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2020-08-01DOI: 10.1109/UCET51115.2020.9205484
T. Kalsoom, N. Ramzan, Shehzad Ahmed
Transformation of traditional manufacturing into intelligent manufacturing has intrigued the manufacturing firms at a global level. The focal objective of the concept of Industry 4.0 is to distinguish highly digitized manufacturing processes where flow of information amid different devices is controlled in an environment with very limited human intervention. Different and complex physical and cyber technologies make Industry 4.0 a way to improve performance, quality, controllability, management and transparency of information of manufacturing processes. Although Industry 4.0 provides numerous potential opportunities to manufacturers, most firms still lack insight into the variety of technologies available in Industry 4.0 as well as the challenges and risks it poses to the society with its implementation. This paper summarizes the available technologies by reviewing existing studies on it, identifies challenges linked to Industry 4.0 and provides guidance to implementing smart factory in the context of Industry 4.0.
{"title":"Societal Impact of IoT-Lead Smart Factory in the Context of Industry 4.0","authors":"T. Kalsoom, N. Ramzan, Shehzad Ahmed","doi":"10.1109/UCET51115.2020.9205484","DOIUrl":"https://doi.org/10.1109/UCET51115.2020.9205484","url":null,"abstract":"Transformation of traditional manufacturing into intelligent manufacturing has intrigued the manufacturing firms at a global level. The focal objective of the concept of Industry 4.0 is to distinguish highly digitized manufacturing processes where flow of information amid different devices is controlled in an environment with very limited human intervention. Different and complex physical and cyber technologies make Industry 4.0 a way to improve performance, quality, controllability, management and transparency of information of manufacturing processes. Although Industry 4.0 provides numerous potential opportunities to manufacturers, most firms still lack insight into the variety of technologies available in Industry 4.0 as well as the challenges and risks it poses to the society with its implementation. This paper summarizes the available technologies by reviewing existing studies on it, identifies challenges linked to Industry 4.0 and provides guidance to implementing smart factory in the context of Industry 4.0.","PeriodicalId":163493,"journal":{"name":"2020 International Conference on UK-China Emerging Technologies (UCET)","volume":"3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116801114","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2020-08-01DOI: 10.1109/UCET51115.2020.9205383
Muhammad Hamza Zulfiqar, M. M. Saleem, M. Zubair, M. Q. Mehmood, K. Riaz
Conventional electronic components are non-foldable and non-flexible with complex and expensive fabrication processes. Considering the recent interest in foldable electronics, we report a foldable, eco-friendly, low-cost, highly sensitive, and stable microfluidic paper-based capacitive droplet $(mu$ PCD) sensor. The sensor is fabricated using readily available materials (filter paper and copper tape) through a simplistic, easy-go- designed, and low-cost bench-top fabrication process. The design of the capacitive sensor is based on a parallel plate capacitor attained by direct deposition of copper tape on filter paper. The filter paper serves as a dielectric. Very small quantities $(mu$ Ls) of liquid can easily flow through filter paper due to micro-pores in it. The $10 times 10$ mm sensor can detect water droplets as small as $10 mu mathrm{L}$ with sensitivity $3 pm 0.5$ pF$/ 1 mu mathrm{L}$. The sensor response is insensitive to bending as tested by measuring the capacitance response at different bending radius from 0 to 7mm. The sensor responds accurately and repeatedly for different volumes of water droplets at different bending radius. Foldability of the sensor makes it suitable for the environment with different geometries, shapes, and dimensions like industry, body parts, and objects for liquid detection.
传统的电子元件是不可折叠和非柔性的，制造工艺复杂和昂贵。考虑到最近对可折叠电子产品的兴趣，我们报告了一种可折叠，环保，低成本，高灵敏度和稳定的微流控纸电容液滴PCD传感器。该传感器通过简单、易于设计和低成本的台式制造工艺，使用现成的材料(滤纸和铜带)制造。电容式传感器的设计是基于在滤纸上直接沉积铜带获得的平行板电容器。滤纸起电介质的作用。由于滤纸上的微孔，非常少量的液体可以很容易地流过滤纸。10 × 10毫米的传感器可以检测到小到10 mu mathm {L}$的水滴，灵敏度为3 pm 0.5$ pF$/ 1 mu mathm {L}$。通过测量从0到7mm不同弯曲半径下的电容响应，测试了传感器响应对弯曲不敏感。该传感器对不同体积、不同弯曲半径的水滴响应准确、重复性好。传感器的可折叠性使其适用于工业、身体部位和物体等不同几何形状和尺寸的环境，用于液体检测。
{"title":"Foldable, Eco-Friendly and Low-Cost Microfluidic Paper-Based Capacitive Droplet Sensor","authors":"Muhammad Hamza Zulfiqar, M. M. Saleem, M. Zubair, M. Q. Mehmood, K. Riaz","doi":"10.1109/UCET51115.2020.9205383","DOIUrl":"https://doi.org/10.1109/UCET51115.2020.9205383","url":null,"abstract":"Conventional electronic components are non-foldable and non-flexible with complex and expensive fabrication processes. Considering the recent interest in foldable electronics, we report a foldable, eco-friendly, low-cost, highly sensitive, and stable microfluidic paper-based capacitive droplet $(mu$ PCD) sensor. The sensor is fabricated using readily available materials (filter paper and copper tape) through a simplistic, easy-go- designed, and low-cost bench-top fabrication process. The design of the capacitive sensor is based on a parallel plate capacitor attained by direct deposition of copper tape on filter paper. The filter paper serves as a dielectric. Very small quantities $(mu$ Ls) of liquid can easily flow through filter paper due to micro-pores in it. The $10 times 10$ mm sensor can detect water droplets as small as $10 mu mathrm{L}$ with sensitivity $3 pm 0.5$ pF$/ 1 mu mathrm{L}$. The sensor response is insensitive to bending as tested by measuring the capacitance response at different bending radius from 0 to 7mm. The sensor responds accurately and repeatedly for different volumes of water droplets at different bending radius. Foldability of the sensor makes it suitable for the environment with different geometries, shapes, and dimensions like industry, body parts, and objects for liquid detection.","PeriodicalId":163493,"journal":{"name":"2020 International Conference on UK-China Emerging Technologies (UCET)","volume":"71 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114267406","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
京公网安备 11010802042870号
京ICP备2023020795号-1
扫码关注我们
求助内容：
应助结果提醒方式：