Abstract
As microsatellite technology develops, precise inter-satellite
measurement shows its significance in distributed satellite systems. In
this Letter, a novel technique is proposed for measuring the
inter-satellite distance, which adopts optoelectronic resonance and has a
function of self-referencing. Resonance cavities have a high spectral
purity and a high oscillation frequency. By utilizing the accumulative
amplification principle to convert the measurement of distance to that of
the frequency, high accuracy is achieved. In the experiment, this
measuring scheme has a large measuring range between 1 and 6 km (can be
potentially larger), and the accuracy is better than 1.5 μm. The relative
accuracy reaches the level of 10−10.
© 2016 Chinese Laser Press
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