Infrared techniques encompass analytical and imaging methods that exploit the interaction of infrared (IR) radiation with matter to probe molecular structure, dynamics, and composition. Core approaches include mid-IR absorption spectroscopy (e.g., FTIR), near-IR spectroscopy, and IR microscopy, which measure vibrational transitions associated with specific chemical bonds and functional groups. Variants such as attenuated total reflectance (ATR), diffuse reflectance (DRIFTS), and infrared reflection–absorption spectroscopy (IRRAS) extend applicability to diverse sample types and surfaces. Time-resolved and nonlinear IR methods (e.g., pump–probe, 2D-IR) enable investigation of ultrafast processes and complex environments, supporting applications in materials science, chemistry, biology, and environmental analysis.
An interdisciplinary research team, led by Assistant Prof. Jun Nishida and Associate Prof. Takashi Kumagai at the Institute for Molecular Science, has successfully observed vibrational spectra of single proteins, consisting ...
Nanophysics
Jan 10, 2024
0
878
Invisible to our eyes, shortwave infrared (SWIR) light can enable unprecedented reliability, function and performance in high-volume, computer vision first applications in service robotics, automotive and consumer electronics ...
Optics & Photonics
Jan 3, 2024
0
199
The search for and development of efficient terahertz (THz) sources is one of the major scientific goals of the 21st century. The THz region of the electromagnetic spectrum is composed of light frequencies in between the ...
Optics & Photonics
Dec 21, 2023
0
139
Recently, the team of Academician Huang Wei, Professor Li Lin and Professor Hu Wen Bo from the School of Northwestern Polytechnical University developed an ultra-efficient NIR-II photothermal agent for 1,064 nm laser-mediated ...
Bio & Medicine
Oct 30, 2023
0
129
Combining electronics with infrared light can enable small, fast, and sensitive devices for sensing, imaging, and signaling at the molecular level. However, in the infrared spectrum, materials must meet strict quality requirements ...
Nanomaterials
Oct 26, 2023
0
101
Semiconducting single-walled carbon nanotubes (s-SWCNTs) are being used to develop a third generation of optimized shortwave infrared photodetectors that will improve pixel size, weight, power consumption, performance and ...
Nanophysics
Mar 17, 2023
0
200
Professors Hu Weida and Peng Hailin, two of researchers at Shanghai Institute of Technical Physics and Peking University, recently proposed momentum-matching and band-alignment van der Waals heterostructures to solve the ...
Nanophysics
Aug 12, 2022
0
281
A research team transferred chirality from the molecular scale to a microscale to extend material platforms and applications. The optical activity from this novel chiral material encompasses to short-wave infrared region.
Nanomaterials
Oct 22, 2021
0
93
In order to function properly, the brain requires a steady flow of blood through the cerebral arteries and veins, which deliver oxygen and nutrients and also remove metabolic byproducts. Therefore, cerebral blood flow is ...
Bio & Medicine
Aug 19, 2021
0
125
As a minimally-invasive method for cancer therapy at precise locations, NIR-induced photothermal therapy (PTT) has drawn extensively attention. The therapeutic mechanism is the use of photothermal agents (PTAs) in the treatment ...
Bio & Medicine
Jul 13, 2021
0
89
