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Physics Engineer. Science & Technology/Business Development Networking/Deeptech Entrepreneur

Interesting and important article here with Laser Focus World, outlining the main applications of Photonics technologies in Climate Change related technologies and systems, prominent among these Space based and satellite imaging systems. From an European perspective. Photonics innovations in climate observation: A view from Europe #photonics #climatechange #EarthObservation #advancedimaging

Photonics innovations in climate observation: A view from Europe

Photonics innovations in climate observation: A view from Europe

laserfocusworld.com

Nuno Edgar Nunes Fernandes

Physics Engineer. Science & Technology/Business Development Networking/Deeptech Entrepreneur

8mo

" (...) One of the objectives is to improve the measurement of gravity because tiny variations in the strength of the Earth’s gravity field have been shown to affect dwindling freshwater resources, the loss of ice mass from ice sheets and glaciers, and changes in sea-level, and therefore on climate change. The idea for future quantum sensors is to combine the principles of current gravimetry measurements with cold atom interferometry, which involves using lasers to freeze atoms within the instrument to near absolute zero (-273.15°C). Then, switching off the lasers allows the atoms to move freely in response to the strength of the gravity field. Measuring the phase difference through interferometry as the atoms ‘fall’ according to the pull of gravity will provide measurements of the gravity field as the satellite orbits around Earth. (...) "

Nuno Edgar Nunes Fernandes

Physics Engineer. Science & Technology/Business Development Networking/Deeptech Entrepreneur

8mo

" (...) Although the theory of using quantum gravity sensors in space to measure gravity is relatively simple, until now, the challenge is to develop a robust satellite technology that provides the mission lifetime and high-resolution coverage required. To this end, ESA is working with NASA on the MAGIC gravity constellation, whose objective is to measure variations in the Earth’s gravitational field with a close temporal frequency (every three days) and a spatial resolution of 100 km."

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