The use of laser ranging to measure space debris

Details The use of laser ranging to measure space debris The use of laser ranging to measure space debris

Feb 2012

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2012raa....12..212z&link_type=abstract

Research in Astronomy and Astrophysics, Volume 12, Issue 2, pp. 212-218 (2012).

Astronomy and Astrophysics

Astrophysics

Scientific paper

Space debris is a major problem for all the nations that are currently active in space. Adopting high-precision measuring techniques will help produce a reliable and accurate catalog for space debris and collision avoidance. Laser ranging is a kind of real-time measuring technology with high precision for space debris observation. The first space-debris laser-ranging experiment in China was performed at the Shanghai Observatory in July 2008 with a ranging precision of about 60-80 cm. The experimental results showed that the return signals from the targets with a range of 900 km were quite strong, with a power of 40W (2J at 20 Hz) using a 10ns pulse width laser at 532nm wavelength. The performance of the preliminary laser ranging system and the observed results in 2008 and 2010 are also introduced.

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