
National Aeronautics and
Space Administration
Jet Propulsion Laboratory
California Institute of Technology
Pasadena, California
Contents
Recent Experiments at the JPL Optical
Communications Telescope Laboratory
Keith Wilson, Joseph Kovalik, Abhijit Biswas, and William T. Roberts
Universal Decoder for Variable Duty-Cycle Optical
Communications
Bruce Moision
Two-Photon Absorption Long-Wavelength Optical
Beam Tracking
Gerardo G. Ortiz and William H. Farr
Lossless Compression of Seismic Data into
Fixed-Length Packets
Aaron B. Kiely
Improvements to Symbol Signal-to-Noise Ratio
Estimation for the Block V Receiver
Meera Srinivasan, Andre Tkacenko, and Frank Cheng
The research described in this publication was carried out by the Jet Propulsion Laboratory, California Institute of Technology, under a contract with the National Aeronautics and Space Administration. Reference herein to any specific commercial product, service, process, or service by trade name, trademark, manufacturer, or otherwise, does not constitute or imply its endorsement by the United States Government or the Jet Propulsion Laboratory, California Institute of Technology.