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We describe the InfraRed Data Reduction (IRDR) software package, a small ANSI C library of fast image processing routines for automated pipeline reduction of infrared (dithered) observations. We developed the software to satisfy certain…

天体物理学 · 物理学 2007-05-23 Chris N. Sabbey , Richard G. McMahon , James R. Lewis , Mike J. Irwin

Detection of infrared (IR) photons in a room-temperature IR camera is carried out by a two-dimensional array of microbolometer pixels which exhibit temperature-sensitive resistivity. When IR light coming from the far-field is focused onto…

光学 · 物理学 2021-08-27 Chinmay Khandekar , Weiliang Jin , Shanhui Fan

The 24 micron array on board the Spitzer Space Telescope is one of three arrays in the Multi-band Imaging Photometer for Spitzer (MIPS) instrument. It provides 5.3 x 5.3 arcmin images at a scale of ~2.5 arcsec per pixel corresponding to…

天体物理学 · 物理学 2007-05-23 Frank J. Masci , Russ Laher , Fan Fang , John Fowler , Wen Lee , Susan Stolovy , Deborah Padgett , Mehrdad Moshir

We provide a suite of public open-source spectral data-reduction software to rapidly obtain scientific products from all forms of long-slit-like spectroscopic observations. Automated SpectroPhotometric REDuction (ASPIRED) is a Python-based…

天体物理仪器与方法 · 物理学 2023-06-16 Marco C. Lam , Robert J. Smith , Iair Arcavi , Iain A. Steele , Josh Veitch-Michaelis , Lukasz Wyrzykowski

The main advantage of Microwave Kinetic Inductance Detector arrays (MKID) is their multiplexing capability, which allows for building cameras with a large number of pixels and good sensitivity, particularly suitable to perform large blank…

天体物理仪器与方法 · 物理学 2016-09-02 L. Bisigello , S. J. C. Yates , L. Ferrari , J. J. A. Baselmans , A. M. Baryshev

Microwave Kinetic Inductance detectors (MKIDs) have been recognized as a powerful new tool for single photon detection. These highly multiplexed superconducting devices give timing and energy measurement for every detected photon. However,…

In computational imaging, hardware for signal sampling and software for object reconstruction are designed in tandem for improved capability. Examples of such systems include computed tomography (CT), magnetic resonance imaging (MRI), and…

图像与视频处理 · 电气工程与系统科学 2022-11-01 Andrew Olsen , Yolanda Hu , Vidya Ganapati

The Argus Optical Array will be the first all-sky, arcsecond-resolution, 5-m class telescope. The 55 GPix Array, currently being prototyped, will consist of 900 telescopes with 61 MPix very-low-noise CMOS detectors enabling sub-second…

天体物理仪器与方法 · 物理学 2022-08-01 Nicholas Law , Alan Vasquez Soto , Hank Corbett , Nathan Galliher , Ramses Gonzalez , Lawrence Machia , Glenn Walters

DRAGONS (Data Reduction for Astronomy from Gemini Observatory North and South) is a platform for the reduction and processing of astronomical data. The Python-based, open-source package includes infrastructure for automation and algorithms…

Imaging the low-frequency radio Sun is an intrinsically challenging problem. Meter-wavelength solar emission spans angular scales from a few arcminutes to a few degrees. These emissions show temporal and spectral variability on a sub-second…

太阳与恒星天体物理 · 物理学 2022-09-22 Devojyoti Kansabanik

Microwave Kinetic Inductance Detectors (MKIDs) have shown great potential for sub-mm instrumentation because of the high scalability of the technology. Here we demonstrate for the first time in the sub-mm band (0.1...2 mm) a photon noise…

天体物理仪器与方法 · 物理学 2015-05-28 S. J. C. Yates , J. J. A. Baselmans , A. Endo , R. M. J. Janssen , L. Ferrari , P. Diener , A. M. Baryshev

We demonstrate a compact, cost-effective snapshot spectral imaging system named Aperture Diffraction Imaging Spectrometer (ADIS), which consists only of an imaging lens with an ultra-thin orthogonal aperture mask and a mosaic filter sensor,…

计算机视觉与模式识别 · 计算机科学 2023-09-29 Tao Lv , Hao Ye , Quan Yuan , Zhan Shi , Yibo Wang , Shuming Wang , Xun Cao

Single-photon detection is an invaluable tool for many applications ranging from basic research to consumer electronics. In this respect, the Single Photon Avalanche Diode (SPAD) plays a key role in enabling a broad diffusion of these…

仪器与探测器 · 物理学 2021-02-05 Angelo Gulinatti , Francesco Ceccarelli , Massimo Ghioni , Ivan Rech

Radon transform is a type of transform which is used in image processing to transfer the image into intercept-slope coordinate. Its diagonal properties made it appropriate for some applications which need processes in different degrees.…

计算机视觉与模式识别 · 计算机科学 2017-01-19 M. A. Khorsandi , N. Karimi , S. Samavi

With increasing array size, it is increasingly important to control stray radiation inside the detector chips themselves. We demonstrate this effect with focal plane arrays of absorber coupled Lumped Element microwave Kinetic Inductance…

Detecting spatial and temporal information of individual photons by using single-photon-detector (SPD) arrays is critical to applications in spectroscopy, communication, biological imaging, astronomical observation, and quantum-information…

In the next decades millimeter and sub-mm astronomy requires large format imaging arrays and broad-band spectrometers to complement the high spatial and spectral resolution of the Atacama Large Millimeter/sub-millimeter Array. The desired…

天体物理仪器与方法 · 物理学 2014-08-15 R. M. J. Janssen , J. J. A. Baselmans , A. Endo , L. Ferrari , S. J. C. Yates , A. M. Baryshev , T. M. Klapwijk

Future actively cooled space-borne observatories for the far-infrared, loosely defined as a 1--10 THz band, can potentially reach a sensitivity limited only by background radiation from the Universe. This will result in an increase in…

天体物理仪器与方法 · 物理学 2022-09-07 J. J. A. Baselmans , F. Facchin , A. Pascual Laguna , J. Bueno , D. J. Thoen , V. Murugesan , N. Llombart , P. de Visser

Astronomical photometry is the science of measuring the flux of a celestial object. Since its introduction, the CCD has been the principle method of measuring flux to calculate the apparent magnitude of an object. Each CCD image taken must…

天体物理仪器与方法 · 物理学 2015-02-11 Paul Doyle

IRIS (InfraRed Imaging Spectrograph) is the diffraction-limited first light instrument for the Thirty Meter Telescope (TMT) that consists of a near-infrared (0.84 to 2.4 $\mu$m) imager and integral field spectrograph (IFS). The IFS makes…