Abstract
The performance of space hyper spectral imager is severely affected by
turbulent orbit temperature. Turbulence results in a defocus in the fore optical
system of the imager. To address this problem, a focusing system is added. A number
of simulation methods are applied on the fore optical system to study the
relationship between temperature and focusing. In addition, this process is
conducted to obtain a practical reference for focusing while the imager is flying on
orbit. The obtained correlation between focusing and temperature is proven effective
based on ground imaging and simulation testing.
© 2011 Chinese Optics Letters
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