Application of the PPPP method for the determination of DLR pointing, tip/tilt, and wavefront errors

James Webb; Nazim Ali Bharmal; Craig Smith; Huizhe Yang; Mark Blundell

doi:10.1117/12.2539977

3 January 2020 Application of the PPPP method for the determination of DLR pointing, tip/tilt, and wavefront errors

James Webb, Nazim Ali Bharmal, Craig Smith, Huizhe Yang, Mark Blundell

Author Affiliations +

Proceedings Volume 11203, Advances in Optical Astronomical Instrumentation 2019; 112030M (2020) https://doi.org/10.1117/12.2539977
Event: ANZCOP, 2019, Melbourne, Australia

Abstract

Optimal transmission of pulsed laser energy to a target is essential for the maximization of reflected signal power in Debris Laser Ranging (DLR) systems. We describe the use of the PPPP measurement technique to allow compensation for both wavefront aberration, tip/tilt and errors arising from misalignment of the transmit and receive optical axes. This paper provides an update on the bistatic Wavefronts Obtained by Measuring Beam-profiles through Atmospheric Turbulence (WOMBAT) trial¹ conducted with the EOS Space Systems 1.8m DLR system² on Mt Stromlo, Australia, using an adjacent telescope to observe the 170 Hz PPPP intensity profiles.

Citation Download Citation

James Webb, Nazim Ali Bharmal, Craig Smith, Huizhe Yang, and Mark Blundell "Application of the PPPP method for the determination of DLR pointing, tip/tilt, and wavefront errors", Proc. SPIE 11203, Advances in Optical Astronomical Instrumentation 2019, 112030M (3 January 2020); https://doi.org/10.1117/12.2539977

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