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Frequency Control of Multi-Pulse 2-micron Laser Transmitter for Atmospheric Carbon Dioxide MeasurementLaser sources with highly stabilized emission wavelength is of paramount importance for a long term atmospheric carbon dioxide (CO2) measurement from a space platform. Integrated Path Differential Absorption (IPDA) lidar is a promising instrument for such a task. The design of a laser transmitter, with emphasis on the method used to control and select several wavelengths, is presented. This multi-pulsed, injection seeded, 2-μm transmitter uses a Ho:Tm:YLF laser crystal which has matching emission to the absorption of CO2 in the R30 spectroscopic area. The injection seeded laser produces triple single longitudinal mode transform limited line width pulses with a total of 80 mJ at a repetition rate of 50 Hz.





Document ID
20200002691
Acquisition Source
Langley Research Center
Document Type
Conference Paper
Authors
Petros, Mulugeta (NASA Langley Research Center Hampton, VA, United States)
Refaat, Tamer F. (NASA Langley Research Center Hampton, VA, United States)
Singh, Upendra N. (NASA Langley Research Center Hampton, VA, United States)
Antill, Charles W. (NASA Langley Research Center Hampton, VA, United States)
Remus, Ruben G. (NASA Langley Research Center Hampton, VA, United States)
Wong, Teh-Hwa (Science Systems and Applications, Inc. (SSAI) Hampton, VA, United States)
Lee, Jane (Science Systems and Applications, Inc. (SSAI) Hampton, VA, United States)
Ismail, Syed (Analytical Services and Materials, Inc. Hampton, VA, United States)
Date Acquired
April 17, 2020
Publication Date
July 28, 2019
Subject Category
Geosciences (General)
Report/Patent Number
NF1676L-32263
Meeting Information
Meeting: International Geosciences and Remote Sensing Symposium (IGARSS)
Location: Yokohama
Country: Japan
Start Date: July 28, 2019
End Date: August 2, 2019
Sponsors: IEEE Geoscience and Remote Sensing Society (IGARSS)
Funding Number(s)
WBS: 388496.04.04.01.04
Distribution Limits
Public
Copyright
Public Use Permitted.

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