&lt;title&gt;Compact real-time (video rate) passive millimeter-wave imager&lt;/title&gt;

Appleby, Roger; Anderton, Rupert N.; Price, Sean; Salmon, Neil A.; Sinclair, Gordon N.; Borrill, Jonathan R.; Coward, Peter R.; Papakosta, Vicky Paraskevi; Lettington, Alan H.; Robertson, Duncan A.

doi:10.1117/12.353003

Cited by 43 publications

(19 citation statements)

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“…They used a 1D array of 16 detectors and a mirror reflector that periodically moves to sweep a whole area in a scene. The integration of a fixed 1D/2D array of detectors and a movable mirror reflector is common for video-rate MMW cameras [10,12,13]. Another approach of image capturing is to use a leaky wave antenna as 1D array detector, which can capture the MMW reflections arriving from 60 directions simultaneously (20 seconds per frame).…”

Section: (4) Types Of Detectormentioning

confidence: 99%

Latest Trends in Millimeter-Wave Imaging Technology

Oka¹,

Togo²,

Kukutsu³

et al. 2008

PIER Letters

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Section: (4) Types Of Detectormentioning

confidence: 99%

Latest Trends in Millimeter-Wave Imaging Technology

Oka¹,

Togo²,

Kukutsu³

et al. 2008

PIER Letters

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“…Conventional MMW imaging systems often rely on mechanically scanning with single-pixel, which are typically inefficient at collecting data [1]. Afterward, extensive research work has been done on focal plane array and interferometry synthesis array systems because of their advantage of real time imaging and high resolution [2].…”

Section: Introductionmentioning

confidence: 99%

A Single Pixel Millimeter-Wave Imaging System Based on Metamaterials

Bai¹,

Chen²,

Yang³

et al. 2017

PIER Letters

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Abstract-Based on metamaterials and compressive sensing theory, we design a single pixel millimeterwave fast imaging system by a 1D aperture array. The aperture array is realized by a column of complementary electric-lc (cELC) units etched on a microstrip transmission line. Each cELC unit resonates at a different frequency, where the energy is coupled from the aperture to free space. A sequence of random field patterns can be obtained by controlling geometric parameters of each cELC unit. We use the frequency as the index of measurement matrix which well satisfies the restricted isometry property (RIP) and is well suited for compressive sensing (CS). A prototype of CS imaging system operating at Ka-band (27-40 GHz) is fabricated which can detect a 5 cm * 5 cm object precisely at a distance of 50 cm.

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“…During the past decade PMMWI sensors have evolved from mechanically-scanned, singlereceiver systems to staring, multiple-receiver passive millimeter-wave cameras (PMCs) (2)(3)(4)(5). Systems have been developed that can operate at video frame rates of 17 to 30 Hz, and they have been extremely useful for demonstrating the possibilities for a number of applications.…”

Section: Introductionmentioning

confidence: 99%

Microbolometer Detectors for Passive Millimeter-Wave Imaging

Nemarich¹

2005

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Sensors and Electron Devices Directorate, ARLApproved for public release; distribution unlimited. ii REPORT DOCUMENTATION PAGEForm Public reporting burden for this collection of information is estimated to average 1 hour per response, including the time for reviewing instructions, searching existing data sources, gathering and maintaining the data needed, and completing and reviewing the collection information. Send comments regarding this burden estimate or any other aspect of this collection of information, including suggestions for reducing the burden, to Department of Defense, Washington Headquarters Services, Directorate for Information Operations and Reports (0704-0188), 1215 Jefferson Davis Highway, Suite 1204, Arlington, VA 22202-4302. Respondents should be aware that notwithstanding any other provision of law, no person shall be subject to any penalty for failing to comply with a collection of information if it does not display a currently valid OMB control number. PLEASE DO NOT RETURN YOUR FORM TO THE ABOVE ADDRESS. REPORT DATE (DD-MM-YYYY) March 20052. REPORT TYPE ARL-TR-3460 SPONSOR/MONITOR'S ACRONYM(S) 9. SPONSORING/MONITORING AGENCY NAME(S) AND ADDRESS(ES)U.S. Army Research Laboratory 2800 Powder Mill Road Adelphi, MD 20783-1197 SPONSOR/MONITOR'S REPORT NUMBER(S) DISTRIBUTION/AVAILABILITY STATEMENTApproved for public release; distribution unlimited. SUPPLEMENTARY NOTES ABSTRACTReports on far-infrared and infrared microbolometer detectors developed with cooled high temperature superconductor (HTSC) materials were reviewed to determine whether it would be feasible to use this type of detector in a passive millimeter wave camera (PMC). A base-line set of achievable HTSC microbolometer parameter values were identified and used to calculate the noise equivalent temperature difference (NETD) of a cooled MMW radiometer with this type of detector. The report includes results showing that the calculated NETD of such a radiometer operating at a 30-Hz modulation frequency would be between 3 and 6 K for an RF bandwidth between 70 and 40 GHz. A PMC with this NETD would be competitive with that of previously developed systems, be much less costly, and be suitable for a number of applications. The results of further calculations made to determine the HTSC microbolometer parameter values needed to obtain an improved MMW detector are included in the report. SUBJECT TERMS

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<title>Compact real-time (video rate) passive millimeter-wave imager</title>

Cited by 43 publications

References 0 publications

Latest Trends in Millimeter-Wave Imaging Technology

Latest Trends in Millimeter-Wave Imaging Technology

A Single Pixel Millimeter-Wave Imaging System Based on Metamaterials

Microbolometer Detectors for Passive Millimeter-Wave Imaging

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