Other
Scientific paper
Dec 2011
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011agufm.p41b1609o&link_type=abstract
American Geophysical Union, Fall Meeting 2011, abstract #P41B-1609
Other
[1221] Geodesy And Gravity / Lunar And Planetary Geodesy And Gravity, [1294] Geodesy And Gravity / Instruments And Techniques, [6250] Planetary Sciences: Solar System Objects / Moon
Scientific paper
Optical response is numerically simulated for lunar laser ranging (LLR) targets to be placed on the Moon in the future. The distribution of two-dimensional velocity aberration is off-centered by 5 to 6 microradians in lunar laser ranging, due to the stable measurement geometry in the motion of the Earth and the Moon. The optical response of large-size, single-reflector arrays can be maximized by the proper choice of dihedral angle offsets. Since the velocity aberration in LLR does not spread symmetrically in the two-dimensional velocity field, we have found that an asymmetric combination of dihedral angle offsets should efficiently illuminate the terrestrial station where the laser pulse is transmitted. Our numerical simulation results reveal that the optimized return energy increases approximately 3.5 times of symmetric dihedral angle cases, and the optimized dihedral angle offsets are 0.65 to 0.8 arcseconds for one angle, and zeroes for the other two angles.
Araki Huzihiro
Hanada Hideo
Katayama Mako
Kunimori Hiroo
Noda Hirotomo
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