Optical vortices, characterized by a helical phase front and doughnut-shaped intensity distribution, contribute to a broad range of applications, from microscopy to optical communications. And applications for optical vortices ...
Optics & Photonics
Aug 28, 2020
0
1247
In conventional sensing methods, noise is always a problem, especially in systems that are meant to detect changes in their environment that are hardly bigger or even smaller than the noise in the system. Encountering this ...
Optics & Photonics
Feb 14, 2020
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1327
Researchers for the first time have combined a powerful microscopy technique with automated image analysis algorithms to distinguish between healthy and metastatic cancerous tissue without relying on invasive biopsies or ...
Optics & Photonics
Aug 6, 2019
1
246
The rainbow is not just colors—each color of light has its own frequency. The more frequencies you have, the higher the bandwidth for transmitting information.
Optics & Photonics
Aug 16, 2018
0
112
At its most basic level, a random laser is precisely what its name implies; random. It's random in the spectrum of light it produces and in the way that light is emitted, making what could be an extremely versatile laser ...
Optics & Photonics
Oct 27, 2017
1
267
Scientists at the National Institute of Standards and Technology (NIST) have developed the first miniature laser in which the light is guided along the floor of an open metallic trench. The laser could act as a nanoscale ...
Optics & Photonics
Oct 13, 2017
1
335
Researchers have demonstrated the first laser cavity that can confine and propagate light in any shape imaginable, even pathways with sharp bends and angles. The new cavity, called a topological cavity, could enable laser ...
Optics & Photonics
Oct 12, 2017
0
156
Earlier this year, the Laser Interferometer Gravitational-Wave Observatory (LIGO) was able to detect a gravity wave wafting through space from two colliding black holes billions of years ago.
Optics & Photonics
Sep 27, 2016
0
138
Lasers have become indispensable to modern life since they were invented more than fifty years ago. The ability to generate and amplify light waves into a coherent, monochromatic and well-focused beam has yielded applications ...
Optics & Photonics
Jul 6, 2016
0
294
In the last few decades, lasers have become an important part of our lives, with applications ranging from laser pointers and CD players to medical and research uses. Lasers typically have a very well-defined direction of ...
Optics & Photonics
Jul 28, 2015
0
424
