Normal point algorithm for reduction of two colour SLR observations

Two colour laser ranging to artificial satellites is an attractivetechnique, which is capable to provide refraction corrected ranges without the need of an atmospheric model by measuring the dispersive delay of laser pulses of different wavelength. Although the required accuracy of the detection sch...

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Bibliographic Details
Published in:Surveys in geophysics 2001-01, Vol.22 (5-6), p.581-588
Main Authors: RIEPL, Stefan, SCHLÜTER, Wolfgang
Format: Article
Language:English
Subjects:
Artificial satellites
Atmospheric models
Earth sciences
Earth, ocean, space
Exact sciences and technology
Internal geophysics
Lasers
Solid-earth geophysics, tectonophysics, gravimetry
Online Access:Get full text
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Summary:Two colour laser ranging to artificial satellites is an attractivetechnique, which is capable to provide refraction corrected ranges without the need of an atmospheric model by measuring the dispersive delay of laser pulses of different wavelength. Although the required accuracy of the detection scheme is stringent, the technique has matured so far, that routine two colour observationsbecame feasible.The present paper describes a normal point procedure reducing two colour laser range observations with respect to the dispersive delay,exploiting the knowledge of satellite response signatures in conjunction with detector characteristics and the appropriate center of mass correction models.Moreover the dispersion model of the atmosphere is briefly reviewed, paying attention to the wavelength domains provided by modern twocolour ranging lasers, e.g., the Ti:SAP laser.Preliminary data is presented and compared to both, normal point data reduced with a standard procedure and zenith path equivalent meteorological parameters.[PUBLICATION ABSTRACT]
ISSN:0169-3298
1573-0956
DOI:10.1023/A:1015696907252