Pub Date : 2025-09-16DOI: 10.1109/TTHZ.2025.3610552
Shahab Oddin Dabironezare;Giulia Conenna;Daan Roos;Dimitry Lamers;Daniela Perez Capelo;Hendrik M. Veen;David J. Thoen;Vishal Anvekar;Stephen J. C. Yates;Willem Jellema;Robert Huiting;Lorenza Ferrari;Carole Tucker;Sven L. Van Berkel;Peter K. Day;Henry George Leduc;Charles M. Bradford;Nuria Llombart;Jochem J. A. Baselmans
Future space-based far infrared astronomical observations require background limited detector sensitivities and scalable focal plane array solutions to realize their vast potential in observation speed. In this work, a focal plane array of lens absorber coupled kinetic inductance detectors (KIDs) is proposed to fill this role. The figures of merit and design guidelines for the proposed detector concept are derived by employing a previously developed electromagnetic spectral modeling technique. Two designs operating at central frequencies of 6.98 and 12 THz are studied. A prototype array of the former is fabricated, and its performance is experimentally determined and validated. Specifically, the optical coupling of the detectors to incoherent distributed sources (i.e., normalized throughput) is quantified experimentally with good agreement with the estimations provided by the model. The coupling of the lens absorber prototypes to an incident plane wave, i.e., aperture efficiency, is also indirectly validated experimentally matching the expected value of 54% averaged over two linear polarizations. The noise equivalent power of the KIDs is also measured with limiting value of $text{8}times text{10}^{-text{20}}$$mathrm{W/sqrt{Hz}}$ at the bath and radiator temperatures of 130 mK and 2.7 K, respectively, under negligible optical loading.
{"title":"Lens Based Kinetic Inductance Detectors With Distributed Dual Polarized Absorbers for Far Infrared Space-Based Astronomy","authors":"Shahab Oddin Dabironezare;Giulia Conenna;Daan Roos;Dimitry Lamers;Daniela Perez Capelo;Hendrik M. Veen;David J. Thoen;Vishal Anvekar;Stephen J. C. Yates;Willem Jellema;Robert Huiting;Lorenza Ferrari;Carole Tucker;Sven L. Van Berkel;Peter K. Day;Henry George Leduc;Charles M. Bradford;Nuria Llombart;Jochem J. A. Baselmans","doi":"10.1109/TTHZ.2025.3610552","DOIUrl":"https://doi.org/10.1109/TTHZ.2025.3610552","url":null,"abstract":"Future space-based far infrared astronomical observations require background limited detector sensitivities and scalable focal plane array solutions to realize their vast potential in observation speed. In this work, a focal plane array of lens absorber coupled kinetic inductance detectors (KIDs) is proposed to fill this role. The figures of merit and design guidelines for the proposed detector concept are derived by employing a previously developed electromagnetic spectral modeling technique. Two designs operating at central frequencies of 6.98 and 12 THz are studied. A prototype array of the former is fabricated, and its performance is experimentally determined and validated. Specifically, the optical coupling of the detectors to incoherent distributed sources (i.e., normalized throughput) is quantified experimentally with good agreement with the estimations provided by the model. The coupling of the lens absorber prototypes to an incident plane wave, i.e., aperture efficiency, is also indirectly validated experimentally matching the expected value of 54% averaged over two linear polarizations. The noise equivalent power of the KIDs is also measured with limiting value of <inline-formula><tex-math>$text{8}times text{10}^{-text{20}}$</tex-math></inline-formula> <inline-formula><tex-math>$mathrm{W/sqrt{Hz}}$</tex-math></inline-formula> at the bath and radiator temperatures of 130 mK and 2.7 K, respectively, under negligible optical loading.","PeriodicalId":13258,"journal":{"name":"IEEE Transactions on Terahertz Science and Technology","volume":"16 1","pages":"10-26"},"PeriodicalIF":3.9,"publicationDate":"2025-09-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145778449","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2025-09-10DOI: 10.1109/TTHZ.2025.3608329
Junhong Wang;Xueping Liu;Zhengfang Qian;Renheng Wang;Shuting Fan
Inorganic solid-state electrolytes have become a focal point in the research of next-generation energy storage technologies due to their high safety and potential for high energy density. Pore characteristics play a crucial role in influencing ionic transport and mechanical properties, making their efficient and precise characterization essential. However, traditional pore testing methods continue to encounter challenges in providing rapid and nondestructive measurements. Therefore, this study proposes a nondestructive and rapid characterization method for pore characteristics based on terahertz time-domain spectroscopy. This approach, combined with the effective medium theory, investigates the impact of sintering temperature on the microstructural pore characteristics of Li6.4La3Zr1.4Ta0.6O12 based on optical constants measured in the terahertz frequencies. Notably, the study introduces the structural parameter Sa for characterizing solid electrolyte materials, providing insights into the geometric configuration and directional distribution of the microstructural pore architecture. The testing method proposed in this research not only enhances the accuracy of porosity measurements in solid-state electrolytes but also provides insights into the microstructural characteristics of pores. This contributes an effective tool for understanding the pore characteristics of inorganic solid-state electrolytes and expands the application potential of terahertz time-domain spectroscopy in materials science.
{"title":"Analysis of Pore Characteristics of Solid-State Electrolytes Based on Terahertz Time-Domain Spectroscopy","authors":"Junhong Wang;Xueping Liu;Zhengfang Qian;Renheng Wang;Shuting Fan","doi":"10.1109/TTHZ.2025.3608329","DOIUrl":"https://doi.org/10.1109/TTHZ.2025.3608329","url":null,"abstract":"Inorganic solid-state electrolytes have become a focal point in the research of next-generation energy storage technologies due to their high safety and potential for high energy density. Pore characteristics play a crucial role in influencing ionic transport and mechanical properties, making their efficient and precise characterization essential. However, traditional pore testing methods continue to encounter challenges in providing rapid and nondestructive measurements. Therefore, this study proposes a nondestructive and rapid characterization method for pore characteristics based on terahertz time-domain spectroscopy. This approach, combined with the effective medium theory, investigates the impact of sintering temperature on the microstructural pore characteristics of Li<sub>6.4</sub>La<sub>3</sub>Zr<sub>1.4</sub>Ta<sub>0.6</sub>O<sub>12</sub> based on optical constants measured in the terahertz frequencies. Notably, the study introduces the structural parameter Sa for characterizing solid electrolyte materials, providing insights into the geometric configuration and directional distribution of the microstructural pore architecture. The testing method proposed in this research not only enhances the accuracy of porosity measurements in solid-state electrolytes but also provides insights into the microstructural characteristics of pores. This contributes an effective tool for understanding the pore characteristics of inorganic solid-state electrolytes and expands the application potential of terahertz time-domain spectroscopy in materials science.","PeriodicalId":13258,"journal":{"name":"IEEE Transactions on Terahertz Science and Technology","volume":"16 2","pages":"156-164"},"PeriodicalIF":3.9,"publicationDate":"2025-09-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146102955","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2025-09-05DOI: 10.1109/TTHZ.2025.3602890
{"title":"IEEE Microwave Theory and Techniques Society Information","authors":"","doi":"10.1109/TTHZ.2025.3602890","DOIUrl":"https://doi.org/10.1109/TTHZ.2025.3602890","url":null,"abstract":"","PeriodicalId":13258,"journal":{"name":"IEEE Transactions on Terahertz Science and Technology","volume":"15 5","pages":"C2-C2"},"PeriodicalIF":3.9,"publicationDate":"2025-09-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=11152650","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144998267","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2025-09-05DOI: 10.1109/TTHZ.2025.3602916
{"title":"IEEE Microwave Theory and Techniques Society Information","authors":"","doi":"10.1109/TTHZ.2025.3602916","DOIUrl":"https://doi.org/10.1109/TTHZ.2025.3602916","url":null,"abstract":"","PeriodicalId":13258,"journal":{"name":"IEEE Transactions on Terahertz Science and Technology","volume":"15 5","pages":"C2-C2"},"PeriodicalIF":3.9,"publicationDate":"2025-09-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=11152658","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144998203","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2025-09-05DOI: 10.1109/TTHZ.2025.3605497
{"title":"IEEE Women in Engineering","authors":"","doi":"10.1109/TTHZ.2025.3605497","DOIUrl":"https://doi.org/10.1109/TTHZ.2025.3605497","url":null,"abstract":"","PeriodicalId":13258,"journal":{"name":"IEEE Transactions on Terahertz Science and Technology","volume":"15 5","pages":"804-804"},"PeriodicalIF":3.9,"publicationDate":"2025-09-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=11152629","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144998186","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2025-09-05DOI: 10.1109/TTHZ.2025.3605507
{"title":"IEEE Transactions on Terahertz Science and Technology Publication Information","authors":"","doi":"10.1109/TTHZ.2025.3605507","DOIUrl":"https://doi.org/10.1109/TTHZ.2025.3605507","url":null,"abstract":"","PeriodicalId":13258,"journal":{"name":"IEEE Transactions on Terahertz Science and Technology","volume":"15 5","pages":"C3-C3"},"PeriodicalIF":3.9,"publicationDate":"2025-09-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=11152654","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144998098","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2025-09-05DOI: 10.1109/TTHZ.2025.3605510
{"title":"TechRxiv: Share Your Preprint Research with the World!","authors":"","doi":"10.1109/TTHZ.2025.3605510","DOIUrl":"https://doi.org/10.1109/TTHZ.2025.3605510","url":null,"abstract":"","PeriodicalId":13258,"journal":{"name":"IEEE Transactions on Terahertz Science and Technology","volume":"15 5","pages":"802-802"},"PeriodicalIF":3.9,"publicationDate":"2025-09-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=11152652","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144998304","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2025-09-05DOI: 10.1109/TTHZ.2025.3605499
{"title":"IEEE Open Access Publishing","authors":"","doi":"10.1109/TTHZ.2025.3605499","DOIUrl":"https://doi.org/10.1109/TTHZ.2025.3605499","url":null,"abstract":"","PeriodicalId":13258,"journal":{"name":"IEEE Transactions on Terahertz Science and Technology","volume":"15 5","pages":"803-803"},"PeriodicalIF":3.9,"publicationDate":"2025-09-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=11152656","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144998377","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2025-09-05DOI: 10.1109/TTHZ.2025.3605503
{"title":"IEEE Open Access Publishing","authors":"","doi":"10.1109/TTHZ.2025.3605503","DOIUrl":"https://doi.org/10.1109/TTHZ.2025.3605503","url":null,"abstract":"","PeriodicalId":13258,"journal":{"name":"IEEE Transactions on Terahertz Science and Technology","volume":"15 5","pages":"948-948"},"PeriodicalIF":3.9,"publicationDate":"2025-09-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=11152628","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144997975","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2025-09-05DOI: 10.1109/TTHZ.2025.3605512
{"title":"IEEE Transactions on Terahertz Science and Technology Publication Information","authors":"","doi":"10.1109/TTHZ.2025.3605512","DOIUrl":"https://doi.org/10.1109/TTHZ.2025.3605512","url":null,"abstract":"","PeriodicalId":13258,"journal":{"name":"IEEE Transactions on Terahertz Science and Technology","volume":"15 5","pages":"C3-C3"},"PeriodicalIF":3.9,"publicationDate":"2025-09-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=11152630","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144998240","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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