30 August 2017 Stabilized diode seed laser for flight and space-based remote lidar sensing applications
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Abstract
AdvR, through support of the NASA SBIR program, has developed fiber-based components and sub-systems that are routinely used on NASA’s airborne missions, and is now developing an environmentally hardened, diode-based, locked wavelength, seed laser for future space-based high spectral resolution lidar applications. The seed laser source utilizes a fiber-coupled diode laser, a fiber-coupled, calibrated iodine reference module to provide an absolute wavelength reference, and an integrated, dual-element, nonlinear optical waveguide component for second harmonic generation, spectral formatting and wavelength locking. The diode laser operates over a range close to 1064.5 nm, provides for stabilization of the seed to the desired iodine transition and allows for a highly-efficient, fully-integrated seed source that is well-suited for use in airborne and space-based environments. A summary of component level environmental testing and spectral purity measurements with a seeded Nd:YAG laser will be presented. A direct-diode, wavelength-locked seed laser will reduce the overall size weight and power (SWaP) requirements of the laser transmitter, thus directly addressing the need for developing compact, efficient, lidar component technologies for use in airborne and space-based environments.
Conference Presentation
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Shirley McNeil, Shirley McNeil, Pushkar Pandit, Pushkar Pandit, Philip Battle, Philip Battle, Joe Rudd, Joe Rudd, Floyd Hovis, Floyd Hovis, } "Stabilized diode seed laser for flight and space-based remote lidar sensing applications", Proc. SPIE 10406, Lidar Remote Sensing for Environmental Monitoring 2017, 104060F (30 August 2017); doi: 10.1117/12.2275559; https://doi.org/10.1117/12.2275559
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