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Two Color Upgrade:

• Technical approach described in proceedings from 2000 Matera International Workshop on Laser Ranging
• Add third harmonic crystal and receiver channel for second color
• Compute range difference between different color normal points

Interplanetary Transponder for Inner Solar System:

• Technical approach described in previous workshop proceedings (1996, 1998, 2000) and J. Geodynamics, November, 2002
• Need to extend maximum transmitter point-ahead capability from current 11 to 45 arcseconds

Terminal for Automated Space-to-Ground Laser Communications:

• Currently working with JPL to design a modified SLR2000 system that simultaneously ranges to, and communicates optically with, a spacecraft
• SLR2000 performs all of the field operations required to support an automated lasercom station
• Assesses weather and cloud cover and provides necessary safety and health functions
• SLR tracking defines orbit for initial spacecraft acquisition and confirmation
• Ranging beam provides Earth beacon for space-based lasercom system to lock onto
• Simple wavelength splitter in SLR2000 diverts lasercom beam to communications receiver