Optical microscopes are indispensable research tools in fields such as life sciences, medical science, and materials science. The objective lens is the core component of the microscope, determining two key parameters of microscopic ...
Optics & Photonics
Jun 14, 2024
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Devices that capture the brilliant light from millions of quantum dots, including chip-scale lasers and optical amplifiers, have made the transition from laboratory experiments to commercial products. But newer types of quantum-dot ...
Optics & Photonics
Mar 19, 2024
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233
Widespread ownership of modern smartphones could make for more accessible—and equitable—microscopy in many elementary and middle school classrooms. According to University of Georgia research, iPhone cameras can serve ...
Education
Mar 14, 2024
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25
Expanding our scientific understanding often comes down to getting as close a look as possible at what is happening. Now researchers from Japan have observed the nanoscale behavior of azo-polymer films while triggering them ...
Nanomaterials
Mar 11, 2024
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The unique properties of quantum physics could help solve a longstanding problem that prevents microscopes from producing sharper images at the smallest scales, researchers say.
Optics & Photonics
Mar 8, 2024
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103
For hundreds of years, the optical microscope was the only tool available to scientists wanting to study the movement of cells, bacteria and yeast. But the diffraction of light made it impossible to observe objects at resolutions ...
Biotechnology
Mar 4, 2024
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131
A new study led by scientists from Spain and Germany has found a fundamental asymmetry showing that heating is consistently faster than cooling, challenging conventional expectations and introducing the concept of "thermal ...
When light goes through a material, it often behaves in unpredictable ways. This phenomenon is the subject of an entire field of study called "nonlinear optics," which is now integral to technological and scientific advances ...
Optics & Photonics
Jan 11, 2024
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88
A group of researchers has created a simple and inexpensive means to visualize the atomic state of hydrogen. Details of their breakthrough are published in the journal Acta Materialia.
Analytical Chemistry
Dec 19, 2023
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67
A multidisciplinary team of researchers from Skoltech has discovered the resonance frequencies of diatom frustules. These intricately structured silicon dioxide shells of single-celled microalgae provide a promising model ...
Optics & Photonics
Dec 13, 2023
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