(Nanowerk News) Bolometers are devices that measure the power of incident electromagnetic radiation thru the heating of materials, which exhibit a temperature-electric resistance dependence. These ...

Chip-level future: an artist’s impression of how microscopic bolometers (in the chip on the right) could sense very weak radiation emitted from qubits (in the chip on the left). (Courtesy: Aleksandr ...

Hot stuff: schematic of the bolometer showing the graphene sheet in blue. (Courtesy: MIT) A new graphene-based bolometer has been created by Dmitri Efetov and colleagues at the Massachusetts Institute ...

Devices such as digital cameras electronically measure levels of high-energy light, and that's good enough for most of us. Now, however, scientists have developed a mechanical alternative that works ...

The findings, published in the journal Nature Nanotechnology ("Fast thermal relaxation in cavity-coupled graphene bolometers with a Johnson noise read-out"), could help pave the way toward new kinds ...

The nanoscale radiation detector is a hundred times faster than its predecessors, and can function without interruption. Researchers from Aalto University and VTT Technical Research Centre of Finland ...

From reproductive rights to climate change to Big Tech, The Independent is on the ground when the story is developing. Whether it's investigating the financials of Elon Musk's pro-Trump PAC or ...

Better detection of microwave radiation will improve thermal imaging, electronic warfare, radio communications. Army-funded research developed a microwave radiation sensor with 100,000 times higher ...

Researchers have developed a better bolometer, a device for measuring electromagnetic radiation. The new technology is faster, simpler, and covers more wavelengths. Bolometers, devices that monitor ...

WASHINGTON, D.C., February 6, 2018 -- Graphene is a remarkable material: light, strong, transparent and electrically conductive. It can also convert heat to electricity. Researchers have recently ...

A superconductor-graphene-superconductor Josephson junction has shown a noise-equivalent power of 7 x 10-19W/√Hz, which corresponds to an energy resolution of a single 32GHz photon, according to an ...