The Galactic O-Star Spectroscopic Survey (GOSSS) is acquiring blue-violet spectroscopy of all optically accessible O stars in the Galaxy at resolution ~2500 and signal-to-noise ratio S/N > 200. To date, data from a total ...
Astronomy
Oct 30, 2018
0
11
Researchers have fabricated a new kind of air-filled optical fiber bundle that could greatly improve endoscopes used for medical procedures like minimally invasive surgeries or bronchoscopies. The new technology might also ...
Optics & Photonics
Oct 24, 2018
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76
Fujitsu Laboratories Ltd. has developed an ultra-high capacity wavelength-division multiplexing system that considerably expands the transmission capacity of optical fibers in optical networks connecting datacenters. The ...
Telecom
Sep 19, 2018
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13
Manipulating light in a variety of ways—shrinking its wavelength and allowing it to travel freely in one direction while stopping it cold in another—hyperbolic metamaterials have wide application in optical communications ...
Optics & Photonics
Jun 19, 2018
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403
A dark cloud when observed with optical telescopes, the Chamaeleon I region reveals itself as an active hub of star formation in this far-infrared image from ESA's Herschel space observatory. Only around 550 light-years away ...
Astronomy
Nov 27, 2017
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7
In 2015, researchers at the Harvard John A. Paulson School of Engineering and Applied Sciences (SEAS) developed the first on-chip metamaterial with a refractive index of zero, meaning that the phase of light could be stretched ...
Optics & Photonics
Oct 9, 2017
8
2664
Modulating the amplitude and phase of light is a key ingredient for many of applications such as wavefront shaping, transformation optics, phased arrays, modulators and sensors. Performing this task with high efficiency and ...
Optics & Photonics
Jun 27, 2017
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4
A new experiment appearing in Science shows that features that are even 100 times smaller than the wavelength can still be sensed by light.
Optics & Photonics
Jun 1, 2017
0
200
Fujitsu Laboratories and the Fraunhofer Heinrich Hertz Institute HHI today announced the development of a new method to simultaneously convert the wavelengths of wavelength-division-multiplexed signals necessary for optical ...
Telecom
Sep 20, 2016
0
11
The Adaptive Optics Lucky Imager (AOLI) on the William Herschel Telescope (WHT) has obtained its first adaptive-optics closed-loop results, an important milestone in the development of this state-of-the-art instrument that ...
Astronomy
Jul 27, 2016
0
19
