Report on the lunar ranging at McDonald Observatory

Details Report on the lunar ranging at McDonald Observatory Report on the lunar ranging at McDonald Observatory

Oct 1977

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977stin...7814968s&link_type=abstract

Research Report, 19 Jun. - 12 Oct. 1977 McDonald Observatory, Austin, TX.

Physics

Laser Range Finders, Lunar Observatories, Lunar Rangefinding, Spark Gaps, System Effectiveness, Lunar Retroreflectors, Month, Photoelectrons, Pulsed Radiation, Retroreflection, Tables (Data)

Scientific paper

Range measurements to an accuracy of 5 cm were achieved following improvements in the laser oscillator configuration and the photomultiplier system. Modifications to the laser include a redesigned pockel cell mount to eliminate stressing of the cell crystal; an improved electrically triggered spark gap for sharpening the electrical pulse; the use of a brewster plate in the cavity to eliminate pre-pulsing; improved alignment for the oscillator system; and increased cavity lifetime through thin film polarizer technology. Laser calibration data are presented along with the lunar laser operations log for June to October 1977.

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