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2013 International Conference on Microwave and Photonics (ICMAP)最新文献

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Use of hololenses for generation of speckle correlation fringes in LDA measurement volume 利用全息透镜在LDA测量体中产生散斑相关条纹
2013 International Conference on Microwave and Photonics (ICMAP) Pub Date : 2013-12-01 DOI: 10.1109/ICMAP.2013.6733557
Abhijit Ghosh, A. Nirala, H. L. Yadav
{"title":"Use of hololenses for generation of speckle correlation fringes in LDA measurement volume","authors":"Abhijit Ghosh, A. Nirala, H. L. Yadav","doi":"10.1109/ICMAP.2013.6733557","DOIUrl":"https://doi.org/10.1109/ICMAP.2013.6733557","url":null,"abstract":"In present investigation we propose a simple optical technique for generation of good quality, high contrast speckle correlation fringes of different spatial frequency depending upon the suitability of different flow condition and particle size at LDA measurement volume by illuminating double exposure specklegrams recorded in different inplane translation and rotation condition using hololenses on high resolution silver halide plates.","PeriodicalId":286435,"journal":{"name":"2013 International Conference on Microwave and Photonics (ICMAP)","volume":"30 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121779475","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}
引用次数: 1
Silicon micro-ring resonator based 16-QAM modulator for WDM transmission systems 基于硅微环谐振器的16-QAM调制器用于WDM传输系统
2013 International Conference on Microwave and Photonics (ICMAP) Pub Date : 2013-12-01 DOI: 10.1109/ICMAP.2013.6733528
Bishanka Brata Bhowmik, Sumanta Gupta
{"title":"Silicon micro-ring resonator based 16-QAM modulator for WDM transmission systems","authors":"Bishanka Brata Bhowmik, Sumanta Gupta","doi":"10.1109/ICMAP.2013.6733528","DOIUrl":"https://doi.org/10.1109/ICMAP.2013.6733528","url":null,"abstract":"In this paper a silicon micro-ring resonator assisted 16-QAM modulator suitable for WDM application has been proposed. We have demonstrated successful operation of the proposed 16-QAM modulator operating at 10 Gbps and 20 Gbps bit-rate per channel for a three channel WDM system. The performance of the modulator for different channel separation has also been investigated using detailed numerical simulations.","PeriodicalId":286435,"journal":{"name":"2013 International Conference on Microwave and Photonics (ICMAP)","volume":"30 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122306822","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}
引用次数: 7
Intersubband absorption in core shell quantum dot 核壳量子点的子带间吸收
2013 International Conference on Microwave and Photonics (ICMAP) Pub Date : 2013-12-01 DOI: 10.1109/ICMAP.2013.6733544
Shampa Guin, N. Das
{"title":"Intersubband absorption in core shell quantum dot","authors":"Shampa Guin, N. Das","doi":"10.1109/ICMAP.2013.6733544","DOIUrl":"https://doi.org/10.1109/ICMAP.2013.6733544","url":null,"abstract":"In this paper, the electron energy and intersubband absorption coefficient are calculated for a spherical core shell quantum dot structure. Considering the variation of dot size over a layer and scattering mechanisms, Gaussian distribution in density of state is used in the analysis. Both the transition energy and the peak absorption coefficient decrease with core radius.","PeriodicalId":286435,"journal":{"name":"2013 International Conference on Microwave and Photonics (ICMAP)","volume":"142 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128133320","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}
引用次数: 0
Simulating optimized time-modulated linear array antennas in CST MWS CST MWS中优化时调线阵天线的仿真
2013 International Conference on Microwave and Photonics (ICMAP) Pub Date : 2013-12-01 DOI: 10.1109/ICMAP.2013.6733511
Ananya Mukherjee, S. K. Mandal, G. K. Mahanti, R. Ghatak
{"title":"Simulating optimized time-modulated linear array antennas in CST MWS","authors":"Ananya Mukherjee, S. K. Mandal, G. K. Mahanti, R. Ghatak","doi":"10.1109/ICMAP.2013.6733511","DOIUrl":"https://doi.org/10.1109/ICMAP.2013.6733511","url":null,"abstract":"Compared to conventional antenna arrays (CAAs), a greater flexibility in designing time-modulated antenna arrays (TMAAs) is achieved by means of time as a fourth dimension. In this paper, an optimization algorithm based on differential evolution algorithm (DEA) is used to suppress both side lobe level (SLL) and side band level (SBL) of a uniformly excited time modulated linear array (UE-TMLA) of co-planer short dipoles by optimizing the on-time durations of the antenna elements. The DE optimized pattern as realized in MATLAB platform is validated by designing the UE-TMLA in CST-MWS with the same on-time sequence as obtained by using DE and the patterns are compared. The experiment is done by taking a UE-TMLA of 16 co-planer short dipoles and a DE optimized pattern with SLL of -20.4 dB is obtained by suppressing maximum SBL to -30 dB.","PeriodicalId":286435,"journal":{"name":"2013 International Conference on Microwave and Photonics (ICMAP)","volume":"51 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115591160","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}
引用次数: 4
UWB monopole antenna with enhanced gain and stable radiation pattern using gate like structures 采用类门结构的增益增强和稳定辐射方向图的超宽带单极天线
2013 International Conference on Microwave and Photonics (ICMAP) Pub Date : 2013-12-01 DOI: 10.1109/ICMAP.2013.6733504
G. Pandey, H. Singh, P. K. Bharti, M. K. Meshram
{"title":"UWB monopole antenna with enhanced gain and stable radiation pattern using gate like structures","authors":"G. Pandey, H. Singh, P. K. Bharti, M. K. Meshram","doi":"10.1109/ICMAP.2013.6733504","DOIUrl":"https://doi.org/10.1109/ICMAP.2013.6733504","url":null,"abstract":"A new technique of employing gate like metallic structure on the ground plane to achieve enhanced gain and stable radiation pattern of an ultra-wideband (UWB) microstrip line fed planar monopole antenna is proposed. Two antennas with rectangular and semicircular gate like structures are designed having impedance bandwidth from 2 GHz to more than 11 GHz. The realized gain of the proposed antennas are found to be in the range of 3.98-7.44 dBi and 3.98-8.52 dBi for rectangular and semi-circular gate like structures, respectively. The proposed antennas also show nearly stable radiation patterns throughout the frequency band.","PeriodicalId":286435,"journal":{"name":"2013 International Conference on Microwave and Photonics (ICMAP)","volume":"134 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116514339","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}
引用次数: 12
Dual-band L-shaped SIW Slot antenna 双频l型SIW槽天线
2013 International Conference on Microwave and Photonics (ICMAP) Pub Date : 2013-12-01 DOI: 10.1109/ICMAP.2013.6733482
Ashutosh Srivastava, R. Chaudhary, A. Biswas, M. Jaleel Akhtar
{"title":"Dual-band L-shaped SIW Slot antenna","authors":"Ashutosh Srivastava, R. Chaudhary, A. Biswas, M. Jaleel Akhtar","doi":"10.1109/ICMAP.2013.6733482","DOIUrl":"https://doi.org/10.1109/ICMAP.2013.6733482","url":null,"abstract":"Dual-band L-shaped substrate integrated waveguide (SIW) Slot antenna is proposed in this paper. The proposed L-shaped structure is constructed using two different slots oriented along longitudinal and transversal direction to feed. The longitudinal slot produces single band measured response with frequency range of 13.16 GHz to 13.38 GHz with 13.28 GHz as the center frequency. Along with, the transversal slot produces single band measured response with frequency range of 10.18 GHz to 10.34 GHz with 10.25 GHz as the central frequency. These two different slots are combined into a single L-shaped slot, which produces dual band measured response with frequency range of 10.84 GHz to 11.01 GHz and 12.60 GHz to 12.78 GHz. The center frequencies are 10.93 GHz and 12.69 GHz. The gain of the designed antenna is 6.58 dB and 6.82 dB at 10.93 GHz and 12.69 GHz, respectively. The analysis is carried out using the HFSS software, and the simulated results are verified using the measurements.","PeriodicalId":286435,"journal":{"name":"2013 International Conference on Microwave and Photonics (ICMAP)","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122488777","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}
引用次数: 22
An Analytical approach for estimation of EMC performance of Electro Explosive Device (EED) package 一种估算电爆炸装置(EED)封装电磁兼容性能的分析方法
2013 International Conference on Microwave and Photonics (ICMAP) Pub Date : 2013-12-01 DOI: 10.1109/ICMAP.2013.6733463
V. Raghavaiah, S. Satyadev, S. K. Bandlamudi, P. K. Mishra, R. Renuka, S. Nagesh, M. Thyagaraj, G. Rajan, K. Govinda
{"title":"An Analytical approach for estimation of EMC performance of Electro Explosive Device (EED) package","authors":"V. Raghavaiah, S. Satyadev, S. K. Bandlamudi, P. K. Mishra, R. Renuka, S. Nagesh, M. Thyagaraj, G. Rajan, K. Govinda","doi":"10.1109/ICMAP.2013.6733463","DOIUrl":"https://doi.org/10.1109/ICMAP.2013.6733463","url":null,"abstract":"In a spacecraft, the Electro Explosive Devices (EED) are used for the appendages deployment activities like Antennas Deployment, Solar arrays deployment etc. EED electronics package provides the required excitation to fire the SQUIB. During the launch phase, the spacecraft experiences a high level of Electromagnetic (EM) radiation. The EEDs should not get enabled due to the EM radiation. EMC analysis was carried out on EED package to assess the safety margin for the squibs, when it is subjected to the radiated E-fields and conducted noise. Micro-cap and CST cable studio software's are used to simulate conducted susceptibility and radiated susceptibility EMC margins respectively.","PeriodicalId":286435,"journal":{"name":"2013 International Conference on Microwave and Photonics (ICMAP)","volume":"193 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124302363","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}
引用次数: 1
Fabrication and characterization of InGaN/GaN MQWs blue light-emitting diodes on sapphire substrate 蓝宝石衬底InGaN/GaN MQWs蓝色发光二极管的制备与表征
2013 International Conference on Microwave and Photonics (ICMAP) Pub Date : 2013-12-01 DOI: 10.1109/ICMAP.2013.6733523
Kuldip Singh, Ashok Chauhan, S. Joshi, A. Sharma, Pawan Kumar, S. Singh, P. Prajapati, B. Kushwaha, Subodh Johri, C. Dhanavantri, M. K. Rana, M. Chouhan
{"title":"Fabrication and characterization of InGaN/GaN MQWs blue light-emitting diodes on sapphire substrate","authors":"Kuldip Singh, Ashok Chauhan, S. Joshi, A. Sharma, Pawan Kumar, S. Singh, P. Prajapati, B. Kushwaha, Subodh Johri, C. Dhanavantri, M. K. Rana, M. Chouhan","doi":"10.1109/ICMAP.2013.6733523","DOIUrl":"https://doi.org/10.1109/ICMAP.2013.6733523","url":null,"abstract":"In this paper, we report successful fabrication and characterization of InGaN/GaN MQWs based blue LEDs on c-plane sapphire substrate. The epitaxial material used in the fabrication of blue LEDs was grown by metal-organic-chemical vapor deposition (MOCVD) system. The threshold voltage (Vth) of fabricated InGaN/GaN MQWs blue LED on c-plane sapphire substrate was ~ 3.1 V.","PeriodicalId":286435,"journal":{"name":"2013 International Conference on Microwave and Photonics (ICMAP)","volume":"19 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114754785","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}
引用次数: 0
Highly birefringence photonic crystal fiber with anomalous dispersion 具有异常色散的高双折射光子晶体光纤
2013 International Conference on Microwave and Photonics (ICMAP) Pub Date : 2013-12-01 DOI: 10.1109/ICMAP.2013.6733537
M. Sharma, Nitu Borgohain, S. Konar
{"title":"Highly birefringence photonic crystal fiber with anomalous dispersion","authors":"M. Sharma, Nitu Borgohain, S. Konar","doi":"10.1109/ICMAP.2013.6733537","DOIUrl":"https://doi.org/10.1109/ICMAP.2013.6733537","url":null,"abstract":"This paper presents a unique birefringent photonic crystal fiber, which promises to yield very high birefringence. The FDTD method has been employed for characterization of its optical parameters. The fiber possesses anomalous dispersion. Several important fiber parameters such as birefringence, dispersion, effective V parameter and Walk-off have been investigated numerically.","PeriodicalId":286435,"journal":{"name":"2013 International Conference on Microwave and Photonics (ICMAP)","volume":"221 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124349828","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}
引用次数: 11
Measurement of a slot antenna backed by a textile cavity with post-walls of conductive threads 以带导电线柱壁的纺织腔为背的槽形天线的测量
2013 International Conference on Microwave and Photonics (ICMAP) Pub Date : 2013-12-01 DOI: 10.1109/ICMAP.2013.6733468
Masashi Komeya, Kenta Sato, H. Shimasaki
{"title":"Measurement of a slot antenna backed by a textile cavity with post-walls of conductive threads","authors":"Masashi Komeya, Kenta Sato, H. Shimasaki","doi":"10.1109/ICMAP.2013.6733468","DOIUrl":"https://doi.org/10.1109/ICMAP.2013.6733468","url":null,"abstract":"A flexible cavity-backed slot antenna has been improved by using a post-wall structure. Arrays of conductive threads as vias between two conductive sheets of textiles are forming post-walls of the rectangular cavity. The reflection and radiation characteristics of the slot antenna have been measured for the flat case and the case of being bent. This type of antenna is flexible and wearable, so it is useful in applications of wearable electrical systems.","PeriodicalId":286435,"journal":{"name":"2013 International Conference on Microwave and Photonics (ICMAP)","volume":"81 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133408343","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}
引用次数: 3
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