China launches experimental satellite into polar orbit

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China's latest space launch sent a third Shiyan 6 experimental satellite into orbit while sporting a new, ultra-black coating to help improve performance of optical sensors.

China launches experimental satellite into polar orbit : Read more

 

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Black coatings help minimize light reflection, which can interfere with the performance of optical sensors.
The center claims the coating has an absorption rate of up to 99.6% across the ultraviolet-visible-near infrared range of the spectrum. It also states that ultra-black coating materials have "broad application prospects in dim target detection, interplanetary navigation, infrared stealth and other areas."


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