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The NIO1 experiment hosts a flexible RF H- ion source, developed by INFN-LNL and Consorzio RFX to improve the present concepts for the production and acceleration of negative ions. The source is also used to benchmark the instrumentation…

Plasma Physics · Physics 2022-11-09 M. Barbisan , B. Zaniol , M. Cavenago , G. Serianni , R. Pasqualotto

Strain-level identification of viruses is critical for effective public health responses to potential outbreaks, yet current diagnostic methods often lack the necessary speed or sensitivity. Surface-enhanced Raman spectroscopy (SERS) offers…

Spectra of water-CO2 dimers are studied using a tunable mid-infrared source to probe a pulsed slit jet supersonic expansion. H2O-CO2 and D2O-CO2 are observed in the CO2 nu3 fundamental region (~2350 cm-1), D2O-CO2 is also observed in the…

Atomic and Molecular Clusters · Physics 2023-07-19 T. Gartner , C. Lauzin , A. R. W. McKellar , N. Moazzen-Ahmadi

The second near-infrared window (NIR-II, 900-1,880 nm) has been pivotal in advancing in vivo fluorescence imaging due to its superior penetration depth and contrast. Yet, its clinical utility remains limited by insufficient imaging…

Biological Physics · Physics 2025-08-05 XuHao Yu , RongYuan Zhang , Zhen Tian , Yixuan Chen , JiaChen Zhang , Yue Yuan , Zheng Zhao , Ben Zhong Tang , Dazhi Hou

Iris recognition is widely acknowledged for its exceptional accuracy in biometric authentication, traditionally relying on near-infrared (NIR) imaging. Recently, visible spectrum (VIS) imaging via accessible smartphone cameras has been…

Image and Video Processing · Electrical Eng. & Systems 2024-12-18 Naveenkumar G Venkataswamy , Yu Liu , Surendra Singh , Soumyabrata Dey , Stephanie Schuckers , Masudul H Imtiaz

Aims: We aim at detecting H$_2$O in the atmosphere of the hot Jupiter HD 209458 b and perform a multi-band study in the near infrared with CARMENES. Methods: The H$_2$O absorption lines from the planet's atmosphere are Doppler-shifted due…

Accurate measurements of electron density are critical for determination of the plasma properties in the solar corona. We compare the electron densities diagnosed from Fe XIII lines observed by the Extreme-Ultraviolet Imaging Spectrometer…

We have measured the dayside spectrum of HD 189733b between 1.5 and 2.5 microns using the NICMOS instrument on the Hubble Space Telescope. The emergent spectrum contains significant modulation, which we attribute to the presence of…

Astrophysics · Physics 2008-12-11 M. R. Swain , G. Vasisht , G. Tinetti , J. Bouwman , Pin Chen , Y. Yung , D. Deming , P. Deroo

We calculate the advances in near-infrared astronomy made possible through the use of fibre Bragg gratings to selectively remove hydroxyl emission lines from the night sky spectrum. Fibre Bragg gratings should remove OH lines at high…

Astrophysics · Physics 2009-11-13 S. C. Ellis , J. Bland-Hawthorn

NASA's Habitable Worlds Observatory (HWO) will search for biosignatures on Earth-like exoplanets using reflected light spectroscopy. A critical instrument design parameter is resolving power, which must balance biosignature detectability…

Earth and Planetary Astrophysics · Physics 2026-04-30 Samantha Gilbert-Janizek , Jacob Lustig-Yaeger , Joshua Krissansen-Totton

The InfraRed Imaging Spectrograph (IRIS) is a first-light instrument for the Thirty Meter Telescope (TMT) that will be used to sample the corrected adaptive optics field by NFIRAOS with a near-infrared (0.8 - 2.4 $\mu$m) imaging camera and…

In this work, we present a neuromorphic system that combines for the first time a neural recording headstage with a signal-to-spike conversion circuit and a multi-core spiking neural network (SNN) architecture on the same die for recording,…

Signal Processing · Electrical Eng. & Systems 2021-06-09 Mohammadali Sharifshazileh , Karla Burelo , Johannes Sarnthein , Giacomo Indiveri

We have extended the range of the high-pressure optical spectroscopy to the far-infrared region keeping the accuracy of ambient-pressure experiments. The newly-developed method offers a powerful tool for the study of pressure-induced phase…

Strongly Correlated Electrons · Physics 2014-01-15 I. Kezsmarki , R. Gaal , C. C. Homes , B. Sipos , H. Berger , S. Bordacs , G. Mihaly , L. Forro

Large reflection and diffraction losses in the Terahertz (THz) band give rise to degraded coverage abilities in non-line-of-sight (NLoS) areas. To overcome this, a non-intelligent reflecting surface (NIRS) can be used, which is essentially…

Information Theory · Computer Science 2023-07-12 Chong Han , Yuanbo Li , Yinqin Wang

Iris Recognition (IR) is one of the market's most reliable and accurate biometric systems. Today, it is challenging to build NIR-capturing devices under the premise of hardware price reduction. Commercial NIR sensors are protected from…

Computer Vision and Pattern Recognition · Computer Science 2022-10-25 Daniel P. Benalcazar , Juan E. Tapia , Mauricio Vasquez , Leonardo Causa , Enrique Lopez Droguett , Christoph Busch

This paper focuses on the area of RGB(visible)-NIR(near-infrared) cross-modality image registration, which is crucial for many downstream vision tasks to fully leverage the complementary information present in visible and infrared images.…

Computer Vision and Pattern Recognition · Computer Science 2024-05-31 Huadong Li , Shichao Dong , Jin Wang , Rong Fu , Minhao Jing , Jiajun Liang , Haoqiang Fan , Renhe Ji

Using the Short-Wavelength-Spectrometer on the Infrared Space Observatory (ISO), we obtained near- and mid-infrared spectra toward the brightest H_2 emission peak of the Orion OMC-1 outflow. A wealth of emission and absorption features were…

Astrophysics · Physics 2007-05-23 Dirk Rosenthal , Frank Bertoldi , Siegfried Drapatz

Current methods for diagnosing the progression of multiple types of cancer within patients rely on interpreting stained needle biopsies. This process is time-consuming and susceptible to error throughout the paraffinization, Hematoxylin and…

Image and Video Processing · Electrical Eng. & Systems 2022-04-19 Benjamin Paulson , Theodore Colwell , Natalia Bukowski , Joseph Weller , Andrew Crisler , John Cisler , Alexander Drobek , Alexander Neuwirth

Autism spectrum disorder is a neuro-developmental disorder characterized by abnormalities of neural synchronization. In this study, functional near infrared spectroscopy (fNIRS) is used to study the difference in functional connectivity in…

Neurons and Cognition · Quantitative Biology 2013-09-24 Huilin Zhu , Yuebo Fan , Huan Guo , Dan Huang , Sailing He