ALMDS laser system

Mark E. Kushina; Geoff Heberle; Michael Hope; David Hall; Michael Bethel; Lonnie K. Calmes

doi:10.1117/12.478953

17 June 2003 ALMDS laser system

Mark E. Kushina, Geoff Heberle, Michael Hope, David Hall, Michael Bethel, Lonnie K. Calmes

Proceedings Volume 4968, Solid State Lasers XII; (2003) https://doi.org/10.1117/12.478953
Event: High-Power Lasers and Applications, 2003, San Jose, CA, United States

Abstract

The ALMDS (Airborne Laser Mine Detection System) has been developed utilizing a solid-state laser operating at 532nm for naval mine detection. The laser system is integrated into a pod that mounts externally on a helicopter. This laser, along with other receiver systems, enables detailed underwater bathymetry. CEO designs and manufactures the laser portion of this system. Arete Associates integrates the laser system into the complete LIDAR package that utilizes sophisticated streak tube detection technology. Northrop Grumman is responsible for final pod integration. The laser sub-system is comprised of two separate parts: the LTU (Laser Transmitter Unit) and the LEU (Laser Electronics Unit). The LTU and LEU are undergoing MIL-STD-810 testing for vibration, shock, temperature storage and operation extremes, as well as MIL-STD-704E electrical power testing and MIL-STD-461E EMI testing. The Nd:YAG MOPA laser operates at 350 Hz pulse repetition frequency at 45 Watts average 532nm power and is controlled at the system level from within the helicopter. Power monitor circuits allow real time laser health monitoring, which enables input parameter adjustments for consistent laser behavior.

Citation Download Citation

Mark E. Kushina, Geoff Heberle, Michael Hope, David Hall, Michael Bethel, and Lonnie K. Calmes "ALMDS laser system", Proc. SPIE 4968, Solid State Lasers XII, (17 June 2003); https://doi.org/10.1117/12.478953

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