Researchers at the National Institute of Standards and Technology (NIST) and the University of Maryland have developed a microchip technology that can convert invisible near-infrared laser light into any one of a panoply ...
Optics & Photonics
Oct 14, 2020
0
56
Optical spectrometers are instruments with a wide variety of uses. By measuring the intensity of light across different wavelengths, they can be used to image tissues or measure the chemical composition of everything from ...
Optics & Photonics
Oct 13, 2020
0
12
Broadband emissions in the visible spectral range can be achieved by pumping Pr3+ doped in crystal, ceramic and glass. Fluoride glasses are commonly used as host material of gain fiber due to their low-energy phonon distribution. ...
Materials Science
Mar 23, 2020
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3
While beam steering systems have been used for many years for applications such as imaging, display, and optical trapping, they require bulky mechanical mirrors and are overly sensitive to vibrations. Compact optical phased ...
Optics & Photonics
Mar 19, 2020
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286
For the first time, researchers have used an advanced analytical technique known as dual-comb spectroscopy to rapidly acquire extremely detailed hyperspectral images. By acquiring a full spectrum of information for each pixel ...
Optics & Photonics
Feb 27, 2020
0
29
When astronomers talk about an optical telescope, they often mention the size of its mirror. That's because the larger your mirror, the sharper your view of the heavens can be. It's known as resolving power, and it is due ...
Astronomy
Feb 24, 2020
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79
It's no secret that planet Earth is occasionally greeted by rocks from space that either explode in the atmosphere or impact on the surface. In addition, Earth regularly experiences meteor showers whenever it passes through ...
Astronomy
Feb 19, 2020
6
572
Researchers in the Organic Photonics and Nano-optics goup at the Laboratory of Organic Electronics have developed optical nanoantennas made from a conducting polymer. The antennas can be switched on and off, and will make ...
Nanophysics
Dec 9, 2019
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39
Optical microscopes and tweezers can image and manipulate objects at the microscale for applications in cellular and molecular biology. The optical resolution is, however, hampered by the diffraction limit and therefore both ...
In "Avengers: Endgame," Tony Stark warned Scott Lang that sending him into the quantum realm and bringing him back would be a "billion-to-one cosmic fluke."
Optics & Photonics
Jun 10, 2019
0
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