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The Infrared Spectrograph (IRS) is one of three science instruments on the Spitzer Space Telescope. The IRS comprises four separate spectrograph modules covering the wavelength range from 5.3 to 38micron with spectral resolutions, R \~90…

Astrophysics · Physics 2011-05-05 J. R. Houck , the Spitzer/IRS team

The fields of imaging in the nighttime dynamic and other extremely dark conditions have seen impressive and transformative advancements in recent years, partly driven by the rise of novel sensing approaches, e.g., near-infrared (NIR)…

Computer Vision and Pattern Recognition · Computer Science 2025-03-06 Chao Qu , Shuo Zhu , Yuhang Wang , Zongze Wu , Xiaoyu Chen , Edmund Y. Lam , Jing Han

This paper describes a cryogenic optical testbed developed to characterize u-Spec spectrometers in a dedicated dilution refrigerator (DR) system. u-Spec is a far-infrared integrated spectrometer that is an analog to a Rowland-type grating…

Infrared (IR) dyes, especially those within the near-infrared (NIR) spectrum, offer substantial advantages for in vivo imaging, owing to their deep tissue penetration and minimal background autofluorescence. Nanoparticles incorporating…

Medical Physics · Physics 2024-11-07 Michael Adeniyi

The PRobe far-Infrared Mission for Astrophysics (PRIMA) is an infrared observatory for the next decade, currently in Phase A, with a 1.8m telescope actively cooled to 4.5K. On board, an infrared camera, PRIMAger, equipped with…

This paper presents a prototype of an infrared photometer, created at SAI of MSU based on the commercial infrared module Gavin-615A. The operating spectral range of the photometer is 3-5 mkm. Investigations of the photometer's detector have…

Instrumentation and Methods for Astrophysics · Physics 2024-04-02 S. G. Zheltoukhov , A. M. Tatarnikov , A. A. Belyakova , E. A. Koksharova

The B-Machine Telescope is the culmination of several years of development, construction, characterization and observation. The telescope is a departure from standard polarization chopping of correlation receivers to a half wave plate…

Instrumentation and Methods for Astrophysics · Physics 2013-11-11 Brian D. Williams

We present a new velocity map imaging instrument for studying molecular beam surface scattering in a near-ambient pressure (NAP-VMI) environment. The instrument offers the possibility to study chemical reaction dynamics and kinetics where…

Chemical Physics · Physics 2022-08-10 Tzu-En Chien , Lea Hohmann , Dan J. Harding

The demand for fast mid-wave infrared photodetectors is fueled by high-rate free-space optical communication and optical frequency comb spectroscopy. To date, only a few multi-GHz photodetectors have shown sensitive room-temperature…

The James Webb Space Telescope (JWST) near-infrared camera (NIRCam) has been found to exhibit serious wisp-like structures in four of its eight short-wavelength detectors. The exact structure and strength of these wisps is highly variable…

Instrumentation and Methods for Astrophysics · Physics 2023-07-14 A. S. G. Robotham , J. C. J. D'Silva , R. A. Windhorst , R. A. Jansen , J. Summers , S. P. Driver , C. N. A. Wilmer , S. Bellstedt

A new neutron transmission supermirror remanent polarizer is proposed. The polarizer is compact. It consists of two solid state polarizing parts. Parts of the polarizer have antiparallel magnetization of magnetic layers of supermirror…

Instrumentation and Detectors · Physics 2019-11-11 V. G. Syromyatnikov

Wide-field survey instruments are used to efficiently observe large regions of the sky. To achieve the necessary field of view, and to provide a higher signal-to-noise ratio for faint sources, many modern instruments are undersampled.…

Nanomechanical spectroscopy (NMS) is a recently developed approach to determine optical absorption spectra of nanoscale materials via mechanical measurements. It is based on measuring changes in the resonance frequency of a membrane…

The analysis of X-ray observations suggest an ultrastrong ($B\gtrsim 10^{14} \,{\rm G}$) surface magnetic field at the polar cap of pulsars (Szary, 2013). On the other hand, the temperature of the polar caps is about a few millions Kelvin.…

High Energy Astrophysical Phenomena · Physics 2015-06-23 Andrzej Szary , George Melikidze , Janusz Gil

The MMTO Adaptive optics exoPlanet characterization System (MAPS) is an ongoing upgrade to the 6.5-meter MMT Observatory on Mount Hopkins in Arizona. MAPS includes an upgraded adaptive secondary mirror (ASM), upgrades to the ARIES…

Instrumentation and Methods for Astrophysics · Physics 2022-12-15 Jacob Taylor , Suresh Sivanandam , Narsireddy Anugu , Adam Butko , Shaojie Chen , Olivier Durney , Tim Hardy , Masen Lamb , Manny Montoya , Katie Morzinski , Robin Swanson

This article describes the design and construction of a portable, compact, and cost-effective microspectrophotometer (MSP) that operates in the range of (200_800 nm). This microscope spectrophotometer records highresolution absorption and…

Optics · Physics 2025-11-07 Negar Karpourazar , Keyvan Khosh Abady , Peter M. Rentzepis

To measure low-temperature thermal fields, we have developed a single-element cooled thermal imaging camera for a spectral range of 8{\div}14 {\mu}m with an internal shutter for radiometric calibration. To improve the accuracy of measuring…

Instrumentation and Detectors · Physics 2024-08-30 E. Gordiyenko , Yu. Fomenko , G. Shustakova , G. Kovalov , S. Shevchenko

Inverse Synthetic Aperture Radar (ISAR) imaging presents a formidable challenge when it comes to small everyday objects due to their limited Radar Cross-Section (RCS) and the inherent resolution constraints of radar systems. Existing ISAR…

Robotics · Computer Science 2024-10-15 Md Farhan Tasnim Oshim , Albert Reed , Suren Jayasuriya , Tauhidur Rahman

Advancement in mid-infrared (MIR) technology has led to promising biomedical applications of MIR spectroscopy, such as liquid biopsy or breath diagnosis. On the contrary, MIR microscopy has been rarely used for live biological samples in an…