Widely tunable mid- and long-wave infrared (8–12 μm) lasers are located in the atmospheric window range and the human eye safety range. They are widely applied in the field of Lidar.
Optics & Photonics
Feb 14, 2023
0
2
Humans are naturally afraid of the dark. We sometimes imagine monsters under the bed and walk faster down unlit streets at night. To conquer our fears, we may leave a night light on to scare away the monsters and a light ...
Astronomy
Feb 10, 2023
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140
Optical pulses, which appear as a flash of light, are used to transmit information in high speed optical fibers, and are increasingly used in Light Detection And Ranging (LIDAR) for 3-dimensional imaging. Both of these applications ...
Optics & Photonics
Feb 9, 2023
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172
When two rocks interact with each other in a fault zone, the roughness of their surfaces could influence the outcome, including when they cause earthquakes. Still, the underlying mechanics of this relationship remain unclear.
Earth Sciences
Feb 8, 2023
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29
Researchers used the James Webb Space Telescope to identify the precise location of a powerful energy source hidden by cosmic dust in the luminous merging galaxy IIZw096.
Astronomy
Feb 6, 2023
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249
A previously unknown 100-to-200-meter asteroid—roughly the size of Rome's Colosseum—has been detected by an international team of European astronomers using the NASA/ESA/CSA James Webb Space Telescope. Their project used ...
Astronomy
Feb 6, 2023
0
161
Researchers at the Wellman Center for Photomedicine have demonstrated that wavelength-dependent changes in the spatial distribution of light transmitted through a multimode optical fiber are not random but highly predictable.
Optics & Photonics
Feb 2, 2023
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39
A crowded field of galaxies throngs this image from the NASA/ESA/CSA James Webb Space Telescope, along with bright stars crowned with Webb's signature six-pointed diffraction spikes.
Astronomy
Jan 31, 2023
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68
The bright variable star V 372 Orionis takes center stage in this image from the NASA/ESA Hubble Space Telescope, which has also captured a smaller companion star in the upper left of this image. Both stars lie in the Orion ...
Astronomy
Jan 27, 2023
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43
Researchers have experimentally demonstrated, for the first time, a mechanically flexible silver mesh that is visibly transparent, allows high-quality infrared wireless optical communication and efficiently shields electromagnetic ...
Optics & Photonics
Jan 25, 2023
0
231
