A research team from the University of Jena has developed a small optical lens, only a few millimeters in size, whose refractive behavior changes in the presence of gas. As reported by the researchers in the journal Nature ...
Analytical Chemistry
Jun 26, 2024
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8
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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0
Lenses are used to bend and focus light. Normal lenses rely on their curved shape to achieve this effect, but physicists from the University of Amsterdam and Stanford University have made a flat lens of only three atoms thick ...
Nanophysics
May 30, 2024
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89
Canadian researchers have developed a new 3D printing method called blurred tomography that can rapidly produce microlenses with commercial-level optical quality. The new method may make it easier and faster to design and ...
Optics & Photonics
May 9, 2024
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115
When viewing biological samples with a microscope, the light beam is disturbed if the lens of the objective is in a different medium than the sample. For example, when looking at a watery sample with a lens surrounded by ...
Optics & Photonics
Apr 18, 2024
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130
Long-wavelength infrared (LWIR) imaging holds critical significance across many applications, from consumer electronics to defense and national security. It finds applications in night vision, remote sensing, and long-range ...
Optics & Photonics
Mar 15, 2024
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116
Analyzing images from the James Webb Space Telescope (JWST), a group of astronomers led by Dr. Lukas Furtak and Prof. Adi Zitrin from Ben-Gurion University of the Negev has detected an extremely red, gravitationally lensed ...
Astronomy
Feb 26, 2024
7
781
Atoms can absorb and reemit light—this is an everyday phenomenon. In most cases, however, an atom emits a light particle in all possible directions—recapturing this photon is, therefore, quite hard.
Optics & Photonics
Jan 16, 2024
4
171
The most evocative astronomy images take us across space and time to stars and galaxies billions of light-years away. Nestled at the center of this one, taken by the Hubble Space Telescope, is a collection of three galaxies. ...
Astronomy
Jan 11, 2024
0
36
Using 3D printing and porous silicon, researchers at the University of Illinois Urbana-Champaign have developed compact, visible wavelength achromats that are essential for miniaturized and lightweight optics. These high-performance ...
Optics & Photonics
Dec 9, 2023
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536
