BEGIN:VCALENDAR VERSION:2.0 PRODID:IEEE vTools.Events//EN CALSCALE:GREGORIAN BEGIN:VTIMEZONE TZID:Asia/Kolkata BEGIN:STANDARD DTSTART:19451014T230000 TZOFFSETFROM:+0630 TZOFFSETTO:+0530 TZNAME:IST END:STANDARD END:VTIMEZONE BEGIN:VEVENT DTSTAMP:20230717T051242Z UID:A9349CF3-D2E9-495F-B1E9-7F9C955217A8 DTSTART;TZID=Asia/Kolkata:20230713T140000 DTEND;TZID=Asia/Kolkata:20230713T150000 DESCRIPTION:A survey of some of the recent advances in the field of microwa ve and millimeter-wave imaging is presented. This technology originally ev olved from the approaches used in radar\, and has been an active area of r esearch since then\, the primary attraction being the possibility of “se eing” objects hidden behind some opaque material such as wood\, paper\, concrete\, fog etc. It is well-known that microwave/mm-wave signals ( usua lly defined as 0.3 – 300 GHz ) can penetrate such materials to greater o r smaller depths depending on frequency \, as opposed to visible light or infra-red whose penetration in most cases is negligible.\nThe applications are well-known today and many systems are in everyday use such as securit y screening \, medical imaging \, through the wall imaging for surveillanc e\, non-destructive testing etc. Usually imaging systems operate in the “near field” in the sense that the distance to the target is of the sa me order as the size of the complete sensor set – most imagers use multi ple antennas for receiving the microwave signal from the target and the se nsors are physically spaced out in a region usually much larger than wavel ength. In contrast there are a few imagers which operate in the radar mode where the object is located in the far-field of the antenna array.\nIn th is talk we will describe some of the recent systems which have been develo ped by different researchers and which are likely to form the basis of fut ure imagers used commercially \, including for security applications.\n\nC o-sponsored by: IEEE AP-MTTS SBC IIT Kharagpur\n\nSpeaker(s): Ananjan Basu \, \n\nBldg: E&ECE Department\, NKN Room\, IIT Kharagpur\, Kharagpur\, Wes t Bengal\, India\, 721302 LOCATION:Bldg: E&ECE Department\, NKN Room\, IIT Kharagpur\, Kharagpur\, We st Bengal\, India\, 721302 ORGANIZER:ieee.apmtts.sbciitkgp@gmail.com SEQUENCE:26 SUMMARY:Advances in Millimeter-wave and THz Imaging URL;VALUE=URI:https://events.vtools.ieee.org/m/366651 X-ALT-DESC:Description: <br /><p>A survey of some of the recent advances in the field of microwave and millimeter-wave imaging is presented. This tec hnology originally evolved from the approaches used in radar\, and has bee n an active area of research since then\, the primary attraction being the possibility of &ldquo\;seeing&rdquo\; objects hidden behind some opaque m aterial such as wood\, paper\, concrete\, fog etc. It is well-known that m icrowave/mm-wave signals ( usually defined as 0.3 &ndash\; 300 GHz ) can p enetrate such materials to greater or smaller depths depending on frequenc y \, as opposed to visible light or infra-red whose penetration in most ca ses is negligible.<br />The applications are well-known today and many sys tems are in everyday use such as security screening \, medical imaging \, through the wall imaging for surveillance\, non-destructive testing etc. U sually imaging systems operate in the &ldquo\;near field&rdquo\; in the se nse that the distance to the target is of the same order as the size of th e complete sensor set &ndash\; most imagers use multiple antennas for rece iving the microwave signal from the target and the sensors are physically spaced out in a region usually much larger than wavelength. In contrast th ere are a few imagers which operate in the radar mode where the object is located in the far-field of the antenna array.<br />In this talk we will d escribe some of the recent systems which have been developed by different researchers and which are likely to form the basis of future imagers used commercially \, including for security applications.</p> END:VEVENT END:VCALENDAR