English
Related papers

Related papers: The Infrared Imaging Spectrograph (IRIS) for TMT: …

200 papers

Context: The NIRSpec instrument for the James Webb Space Telescope (JWST) can be operated in multiobject (MOS), long-slit, and integral field (IFU) mode with spectral resolutions from 100 to 2700. Its MOS mode uses about a quarter of a…

In this paper, we investigate a non-lineof-sight (NLOS) sensing problem at terahertz frequencies. To be able to observe the targets shadowed by a blockage, we propose a method using reconfigurable intelligent surfaces (RIS). We employ a…

Signal Processing · Electrical Eng. & Systems 2024-08-16 Furkan H. Ilgac , Emrah Cisija , Aya Mostafa Ahmed , Musa Furkan Keskin , Aydin Sezgin , Henk Wymeersch

METIS will be among the first generation of scientific instruments on the E-ELT. Focusing on highest angular resolution and high spectral resolution, METIS will provide diffraction limited imaging and coronagraphy from 3-14um over an…

The intelligent reflecting surface (IRS) technology has recently attracted a lot of interest in wireless communications research. An IRS consists of passive reflective elements capable of tuning the phase, amplitude, frequency and…

Signal Processing · Electrical Eng. & Systems 2022-06-06 Zahra Esmaeilbeig , Kumar Vijay Mishra , Mojtaba Soltanalian

We present the development of Linear Astigmatism Free - Three Mirror System (LAF-TMS). This is a prototype of an off-axis telescope that enables very wide field of view (FoV) infrared satellites that can observe Paschen-$\alpha$ emission,…

Instrumentation and Methods for Astrophysics · Physics 2020-03-25 Woojin Park , Seunghyuk Chang , Jae Hyuk Lim , Sunwoo Lee , Hojae Ahn , Yunjong Kim , Sanghyuk Kim , Arvid Hammar , Byeongjoon Jeong , Geon Hee Kim , Hyoungkwon Lee , Dae Wook Kim , Soojong Pak

Mid-infrared (mid-IR) observations of Near-Earth Objects (NEOs) have historically been a valuable tool for understanding their physical properties. However, the current state of mid-IR instruments on ground-based telescopes places several…

Earth and Planetary Astrophysics · Physics 2025-06-18 Andy J. López-Oquendo , Joseph L. Hora , David E. Trilling , Howard A. Smith

We describe the spectrophotometric calibration of the Mid-Infrared Instrument's (MIRI) Medium Resolution Spectrometer (MRS) aboard the James Webb Space Telescope (JWST). This calibration is complicated by a time-dependent evolution in the…

[NIRSS is one of three concepts that contributed to the Wide-Field Infrared Survey Telescope (WFIRST) mission advocated by the Decadal Survey.] Operating beyond the reaches of the Earth's atmosphere, free of its limiting absorption and…

Conventional ultrasonic inspection systems rely on phased arrays and high-performance computing hardware, making them costly, bulky, and unsuitable for portable or embedded use. In this work, we present nRTIS (nano Real-Time 3D Imaging…

Signal Processing · Electrical Eng. & Systems 2025-09-03 Rens Baeyens , Dennis Laurijssen , Jan Steckel , Walter Daems

The Infrared Array Camera (IRAC) is one of three focal plane instruments in the Spitzer Space Telescope. IRAC is a four-channel camera that obtains simultaneous broad-band images at 3.6, 4.5, 5.8, and 8.0 microns. Two nearly adjacent…

Astrophysics · Physics 2008-11-26 G. G. Fazio , the IRAC team

Targeting dynamic spatially-extended phenomena in the upper solar atmosphere, a new instrument concept has been developed and tested at the Dunn Solar Telescope in New Mexico, USA, that provides wide-field, rapid-scanning, high-resolution…

Instrumentation and Methods for Astrophysics · Physics 2018-09-17 Thomas A. Schad , Haosheng Lin

We describe the design and first-light early science performance of the Shane Adaptive optics infraRed Camera-Spectrograph (ShARCS) on Lick Observatory's 3-m Shane telescope. Designed to work with the new ShaneAO adaptive optics system,…

Near infrared spectroscopy (NIRS) is an optical technique that is widely used to monitor tissue oxygenation. These devices take advantage of the near infrared light to monitor deep tissues like brain, muscle or placenta. In this study, we…

Application of the radial velocity (RV) technique in the near infrared is valuable because of the diminished impact of stellar activity at longer wavelengths, making it particularly advantageous for the study of late-type stars but also for…

Instrumentation and Methods for Astrophysics · Physics 2021-06-02 Asa G. Stahl , Shih-Yun Tang , Christopher M. Johns-Krull , L. Prato , Joe Llama , Gregory N. Mace , Jae Joon Lee , Heeyoung Oh , Jessica Luna , Daniel T. Jaffe

The Infrared Camera (IRC) is one of two focal-plane instruments on the AKARI satellite. It is designed for wide-field deep imaging and low-resolution spectroscopy in the near- to mid-infrared (1.8--26.5um) in the pointed observation mode of…

We describe an extension of multi-speckle diffusing wave spectroscopy adapted to follow the non-stationary microscopic dynamics in drying films and coatings in a very reactive way and with a high dynamic range. We call this technique…

Soft Condensed Matter · Physics 2009-11-13 Laurent Brunel , Alice Brun , Patrik Snabre , Luca Cipelletti

Liger is an adaptive optics (AO) fed imager and integral field spectrograph (IFS) designed to take advantage of the Keck All-sky Precision Adaptive-optics (KAPA) upgrade to the Keck I telescope. Liger adapts the design of the InfraRed…

The MMT and Magellan infrared spectrograph (MMIRS) is a cryogenic multiple slit spectrograph operating in the wavelength range 0.9-2.4 micron. MMIRS' refractive optics offer a 6.9 by 6.9 arcmin field of view for imaging with a spatial…

Total internal reflection fluorescence (TIRF) microscopy and its variants are key technologies for visualizing the dynamics of single molecules or organelles in live cells. Yet, truely quantitative TIRF remains problematic. One unknown…

Biological Physics · Physics 2017-06-07 Maia Brunstein , Lopamudra Roy , Martin Oheim