1 September 2015 Fiber-based, trace-gas, laser transmitter technology development for space
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NASA’s Goddard Space Flight Center (GSFC) is working on maturing the technology readiness of a laser transmitter designed for use in atmospheric CO2 remote-sensing. GSFC has been developing an airplane-based CO2 lidar instrument over several years to demonstrate the efficacy of the instrumentation and measurement technique and to link the science models to the instrument performance. The ultimate goal is to make space-based satellite measurements with global coverage. In order to accomplish this, we must demonstrate the technology readiness and performance of the components as well as demonstrate the required power-scaling to make the link with the required signal-to-noise-ratio (SNR). To date, all the instrument components have been shown to have the required performance with the exception of the laser transmitter. In this program we are working on a fiber-based master oscillator power amplifier (MOPA) laser transmitter architecture where we will develop a ruggedized package and perform the relevant environmental tests to demonstrate TRL-6. In this paper we will review our transmitter architecture and progress on the performance and packaging of the laser transmitter.
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Mark Stephen, Anthony Yu, Jeffrey Chen, Jeffrey Nicholson, Doruk Engin, Brian Mathason, Stewart Wu, Graham Allan, William Hasselbrack, Brayler Gonzales, Lawrence Han, Kenji Numata, Mark Storm, James Abshire, "Fiber-based, trace-gas, laser transmitter technology development for space", Proc. SPIE 9612, Lidar Remote Sensing for Environmental Monitoring XV, 96120B (1 September 2015); doi: 10.1117/12.2191395; https://doi.org/10.1117/12.2191395

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