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Proceedings Paper

Fiber-based laser MOPA transmitter packaging for space environment
Author(s): Mark Stephen; Anthony Yu; Jeffrey Chen; Kenji Numata; Stewart Wu; Brayler Gonzales; Lawrence Han; Molly Fahey; Michael Plants; Michael Rodriguez; Graham Allan; James Abshire; Jeffrey Nicholson; Anand Hariharan; William Mamakos; Brian Bean
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Paper Abstract

NASA’s Goddard Space Flight Center has been developing lidar to remotely measure CO2 and CH4 in the Earth’s atmosphere. The ultimate goal is to make space-based satellite measurements with global coverage. We are working on maturing the technology readiness of a fiber-based, 1.57-micron wavelength laser transmitter designed for use in atmospheric CO2 remote-sensing. To this end, we are building a ruggedized prototype to demonstrate the required power and performance and survive the required environment.

We are building a fiber-based master oscillator power amplifier (MOPA) laser transmitter architecture. The laser is a wavelength-locked, single frequency, externally modulated DBR operating at 1.57-micron followed by erbium-doped fiber amplifiers. The last amplifier stage is a polarization-maintaining, very-large-mode-area fiber with ~1000 μm2 effective area pumped by a Raman fiber laser. The optical output is single-frequency, one microsecond pulses with >450 μJ pulse energy, 7.5 KHz repetition rate, single spatial mode, and < 20 dB polarization extinction.

Paper Details

Date Published: 20 February 2018
PDF: 7 pages
Proc. SPIE 10513, Components and Packaging for Laser Systems IV, 1051308 (20 February 2018); doi: 10.1117/12.2290720
Show Author Affiliations
Mark Stephen, NASA Goddard Space Flight Ctr. (United States)
Anthony Yu, NASA Goddard Space Flight Ctr. (United States)
Jeffrey Chen, NASA Goddard Space Flight Ctr. (United States)
Kenji Numata, NASA Goddard Space Flight Ctr. (United States)
Stewart Wu, NASA Goddard Space Flight Ctr. (United States)
Brayler Gonzales, NASA Goddard Space Flight Ctr. (United States)
Lawrence Han, NASA Goddard Space Flight Ctr. (United States)
Molly Fahey, NASA Goddard Space Flight Ctr. (United States)
Michael Plants, NASA Goddard Space Flight Ctr. (United States)
Michael Rodriguez, Sigma Space Corp. (United States)
Graham Allan, Sigma Space Corp. (United States)
James Abshire, NASA Goddard Space Flight Ctr. (United States)
Jeffrey Nicholson, OFS, Fitel LLC (United States)
Anand Hariharan, OFS, Fitel LLC (United States)
William Mamakos, Design Interface, Inc. (United States)
Brian Bean, Sobosoft LLC (United States)


Published in SPIE Proceedings Vol. 10513:
Components and Packaging for Laser Systems IV
Alexei L. Glebov; Paul O. Leisher, Editor(s)

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