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LaRC Instrument Incubator Project Update

LaRC Instrument Incubator Project Update. by M. J. Kavaya, G. J. Koch, J. Yu, U. N. Singh, B. Trieu, F. Amzajerdian NASA Langley Research Center M. Petros Science and Technology Corp. to Working Group on Space-Based Lidar Winds Jan. 17-20, 2006 Key West, Florida. Project Approach.

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LaRC Instrument Incubator Project Update

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  1. LaRC Instrument Incubator Project Update by M. J. Kavaya, G. J. Koch, J. Yu, U. N. Singh, B. Trieu, F. Amzajerdian NASA Langley Research Center M. Petros Science and Technology Corp. to Working Group on Space-Based Lidar Winds Jan. 17-20, 2006 Key West, Florida

  2. Project Approach • Proposed as partnership between LaRC and Raytheon Space and Aircraft Systems • Cancellation by NASA Exploration of “Laser/Lidar Technologies for Exploration” Project in FY06 and beyond produced immediate threat to LaRC lidar group • Examined possibility of in-house execution of project and converted to that approach during December 2005 • We greatly appreciate Raytheon’s interest and contributions and look forward to joint efforts in future • Official start date is 12/20/05; 3 years duration • Will use LaRC’s unique Ho:Tm:LuLF solid-state 2-micron laser technology • Will begin with partially conductively cooled (PCC) laser design (LDAs are conductively cooled and the laser rod is liquid cooled). The packaged lidar may be upgraded to fully conductively cooled (FCC) in the future. • Will package with eye on aircraft operation and space qualification needs • Beyond IIP, will require telescope, scanner, and software for aircraft operation

  3. Global Tropospheric Wind Profiles: Example Roadmap 2-Micron Coherent Doppler Lidar High Energy Technology 1997 2 micron laser 1988 Diode Pump Technology 1993 Inj. Seeding Technology 1996 Conductive Cooling Techn. 1999 Compact Packaging Packaged Lidar Ground Demo. Autonomous Oper. Technol. Pre-Launch Validation Lifetime Validation 3-Yr. Lifetime Validation Space Qualif. Aircraft Operation Threshold, 400 km Demo, NPOESS UAV Operation Autonomous Oper. Technol. 3-Yr. Lifetime Validation Space Qualif. Pre-Launch Validation Lifetime Validation 1 micron laser Diode Pump Technology Inj. Seeding Technology Conductive Cooling Techn. Compact Packaging High Energy Technology Packaged Lidar Ground Demo. 0.355-Micron Direct Doppler Lidar Lidar Perf. Simulations OSSE’s Past Funding Laser Risk Reduction Program Ground-Based Risk Reduction (IPO) 2 micron Doppler wind aircraft flights 1 micron altimetry space missions Pump Laser Diode Advancement Dual Wavelength Telescope & Scanner IIP-2004 Projects Optional

  4. LaRC Development of Pulsed, 2-Micron Laser Technology For Space

  5. LaRC Development of Pulsed, 2-Micron Laser Technology For Space

  6. Pulsed Laser Efficiency WPE = Wall Plug Efficiency

  7. Conclusions • We are pleased that NASA has selected several wind related IIP proposals • We are grateful for the previous NASA and IPO/NPOESS funding that has brought us to this point • We regret that NASA funding issues will not let us partner with Raytheon for this project • The combination of past progress, the LaRC and GSFC IIP’s, the dual Doppler lidar approach, and aircraft validation flights should enable a space demonstration mission in a few years

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