Fluorescence microscopy is widely used in biochemistry and life sciences because it allows scientists to directly observe cells and certain compounds in and around them. Fluorescent molecules absorb light within a specific ...
Optics & Photonics
Jan 4, 2021
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86
Photodetectors made from graphene can process and conduct light signals as well as electric signals extremely fast. Within picoseconds the optical stimulation of graphene generates a photocurrent. Until now, none of the available ...
Nanophysics
Jan 31, 2012
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0
A team of researchers at the University of Illinois has created the world's first acoustic "superlens," an innovation that could have practical implications for high-resolution ultrasound imaging, non-destructive structural ...
General Physics
Jun 24, 2009
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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 ...
Hitachi today announced the development of video processing technology enhancing the visibility of high resolution at a rate of 60 frames per second. Enhanced visibility video display was achieved by analyzing the visual ...
Hi Tech & Innovation
Feb 5, 2014
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Researchers working at the National Institute of Standards and Technology (NIST) have developed a novel way to noninvasively measure and map how and where trapped light vibrates within microscale optical resonators.
Optics & Photonics
Dec 22, 2015
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661
(Phys.org) —A standard camera takes flat, 2-D pictures. To get 3-D information, such as the distance to a far-away object, scientists can bounce a laser beam off the object and measure how long it takes the light to travel ...
Optics & Photonics
Apr 4, 2013
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0
Scientists at Nanyang Technological University, Singapore (NTU Singapore) have developed a new way to measure distances at the nanoscale—one nanometer being one billionth of a meter—using light.
Nanophysics
Sep 5, 2019
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1238
A painting hanging on the wall in an art gallery tells one story. What lies beneath its surface may tell quite another.
Optics & Photonics
Apr 13, 2015
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41
Astronomers have reported the discovery of a new galactic supernova remnant (SNR) in the Cepheus constellation. The newly detected SNR is relatively large and optically bright, but faint in radio and X-ray bands. The finding ...
