Far-infrared detector KID reaches highest possible sensitivity SRON_Space AandA_journal
In 2004, SRON decided to break this cycle and invest in the development of Kinetic Inductance Detectors . Now, researchers from SRON and TU Delft have achieved the highest possible sensitivity, comparable to feeling the warmth of a candle on the moon from Earth. Their study appears inIn recent years we have been spoiled with the most beautiful pictures from telescopes working with X-rays, infrared, radio and.
"An even higher sensitivity would have no use," says Jochem Baselmans ."Because you will always be limited by the noise of the universe's background radiation. So our technology provides telescopes builders such as NASA and ESA with far-infrared detectors as sensitive as possible. We already see two proposals submitted to NASA for a super-cooled telescope. Those are much more expensive than relatively warm telescopes, but our KIDs make it worth it.
"You don't know what you don't know. The Hubble Deep Field was created by pointing the Hubble telescope at a pitch-black piece of the sky with seemingly nothing in it. Afterwards, thousands of galaxies emerged, from an area smaller than one percent of the full moon," says Baselmans. The sensitivity that the researchers achieved with their KIDs can be best described by a hypothetical candle on the moon. Imagine standing on Earth—or floating just above the atmosphere—and holding up your hand to feel the candle's warmth. Seems like a futile exercise? Not for a KID. It is even ten times more sensitive than that.
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