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Images Dated 14th November 2002

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Choose from 7 pictures in our Images Dated 14th November 2002 collection for your Wall Art or Photo Gift. Popular choices include Framed Photos, Canvas Prints, Posters and Jigsaw Puzzles. All professionally made for quick delivery.

Microcombs for X-ray telescopes Featured 14 Nov 2002 Print

Microcombs for X-ray telescopes

Microcombs. Researcher holding several microcombs designed to hold the foil "mirrors" in orbiting X- ray telescopes. These tiny, lightweight devices must be accurate on the nanometre scale to give the desired image quality. X-ray telescopes, such as the XMM-Newton, do not use lenses or conventio- nal mirrors. Instead they use arrays of concentric tubular mirrors that taper slightly towards the detector, focusing X-rays on it by grazing- incidence reflection. The quality of the resulting image depends on the precision of the mounting of the mirrors. It is hoped that these microcombs will allow much greater resolution to be achieved. Photographed at MIT, USA, in 2002