Northrop Grumman Cutting Edge Optronics (NGCEO) has developed a robust line of diode-pumped solid-state (DPSS) lasers for LIDAR applications. These lasers utilize a variety of design and manufacturing approaches depending on the platform, payload, and performance requirements of the system in which they will be utilized.
This work contains an analysis of the design and manufacturing trade space based on a number of system requirements – location (land, sea, airborne, space), SWaP, energy level, repetition rate (10s of Hz to 10s of kHz), beam quality, desired mode structure, etc. For airborne applications, data is presented for systems on helicopters, turbo-prop aircraft, and large jets. Data is also presented from systems with multiple injection seeding approaches for single longitudinal mode (SLM) operation.
Special attention is paid to utilizing NGCEO’s in-house diode array and gain module manufacturing capabilities to tailor all components of the laser to the application. For example, life test data from dozens of epitaxial wafers can be analyzed to pick the diode bar lot with the best performance for mission-critical systems.
Ryan Feeler, Christopher Briggs, Wade Collins, George J. Doster, and Faming Xu, "Robust DPSS lasers for LIDAR applications (Conference Presentation)," Proc. SPIE 10511, Solid State Lasers XXVII: Technology and Devices, 105111G (Presented at SPIE LASE: January 31, 2018; Published: 14 March 2018); https://doi.org/10.1117/12.2290919.5751365779001.
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