Numerical phase front propagation for the laser interferometer space antenna

Miltiadis V. Papalexandris; Eugene Waluschka

doi:10.1117/12.472216

20 June 2002 Numerical phase front propagation for the laser interferometer space antenna

Miltiadis V. Papalexandris, Eugene Waluschka

Proceedings Volume 4777, Interferometry XI: Techniques and Analysis; (2002) https://doi.org/10.1117/12.472216
Event: International Symposium on Optical Science and Technology, 2002, Seattle, WA, United States

Abstract

The present article reports on numerical studies of phase front propagation for the Laser Interferometer Space Antenna (LISA). The main objective is to determine the sensitivity of the average phase of the metrology beam with respect to fluctuations of the pointing of the beam. For this purpose, the metrology beam is propagated numerically along the interferometric arm of the instrument. The effects of the obscurations from the secondary mirror and its supporting struts are studied in detail. Further, the effects of random wavefront distortions that occur due to imperfections of the optical elements are estimated through a series of Monte Carlo simulations. The results of this study can be used to determine design requirements for the instrument.

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Miltiadis V. Papalexandris and Eugene Waluschka "Numerical phase front propagation for the laser interferometer space antenna", Proc. SPIE 4777, Interferometry XI: Techniques and Analysis, (20 June 2002); https://doi.org/10.1117/12.472216

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KEYWORDS

Wavefront distortions

Radio propagation

Antennas

Interferometers

Mirrors

Fourier transforms

Wavefronts

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