Ultrafast science has made great advances in recent years. Attosecond pulses with photon energies lying in the soft X-ray range corresponding to the fundamental absorption edges of matter permit the study of electron dynamics ...
Optics & Photonics
Sep 2, 2022
0
6
Sensitive animal noses can sniff out trace particles, such as volatile organic compounds, in the ambient air. Humans, on the other hand, are developing innovative technologies for this purpose, such as optical spectroscopy. ...
Optics & Photonics
Aug 24, 2022
0
405
How do different materials react to the impact of ions? This is a question that plays an important role in many areas of research—for example, in nuclear fusion research, when the walls of the fusion reactor are bombarded ...
Nanophysics
Aug 22, 2022
0
730
Researchers have developed a label-free and non-invasive Raman spectroscopy approach that can acquire microscopic images of biological samples and identify a wide range of biomolecules with unprecedented speed and sensitivity.
Optics & Photonics
Aug 17, 2022
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17
A light-based, food sanitization technique successfully eliminated multiple harmful pathogens in a new study carried out by Penn State researchers.
Biotechnology
Aug 16, 2022
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225
A research team from Shanghai Advanced Research Institute of the Chinese Academy of Sciences has proposed an external seeding mechanism, termed echo-enabled harmonic cascade (EEHC), for generating coherent and ultrashort ...
Optics & Photonics
Aug 9, 2022
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27
A research group led by graduate student Yeelai Chew, Assistant Professor Sylvain de Léséleuc and Professor Kenji Ohmori at the Institute for Molecular Science, National Institutes of Natural Sciences, is using atoms cooled ...
Optics & Photonics
Aug 8, 2022
0
219
Ultrafast pulses from X-ray lasers reveal how atoms move at timescales of a femtosecond. That's a quadrillionth of a second. However, measuring the properties of the pulses themselves is challenging. While determining a pulse's ...
Optics & Photonics
Aug 5, 2022
0
139
Researchers have developed a new chip-based beam steering technology that provides a promising route to small, cost-effective and high-performance lidar (or light detection and ranging) systems. Lidar, which uses laser pulses ...
Optics & Photonics
Aug 4, 2022
0
601
Engineers at Caltech have developed a switch—one of the most fundamental components of computing—using optical, rather than electronic, components. The development could aid efforts to achieve ultrafast all-optical signal ...
Optics & Photonics
Aug 1, 2022
0
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