NDLI: Textron's J-HPSSL 100 kW ThinZag® laser program

Content Provider	IEEE Xplore Digital Library
Author	Mandl, A. Klimek, D.E.
Copyright Year	2010
Description	Author affiliation: Textron Defense System, 201 Lowell St., M/S 9150, Wilmington, MA 01887, USA (Mandl, A.; Klimek, D.E.)
Abstract	A new approach (ThinZag®) for scaling Nd∶YAG solid-state slab lasers to high power levels is described. Using an innovative optical configuration, thin slabs of solid-state gain material are immersed in a flowing cooling fluid, resulting in improved thermal management. Measurements at the ∼1 kW level were conducted to compare Nd∶YAG ceramic with Nd∶YAG crystalline slabs. The ceramic slabs demonstrated comparable laser output power relative to the more standard crystalline slabs and demonstrated better optical properties, which result in improved medium uniformity. Performance results from our nominally 5 kW and 15 kW modules are also presented. The 15 kW modules represent basic building blocks for the Joint High Power Solid State 100 kW Laser (J-HPSSL) currently being designed and developed by Textron Defense Systems. Recent measurements of three nominally 15 kW modules operating as a single aperture power oscillator where outputs to 30 kW with beam quality of 3.3 XDL were measured are also included. The reported powers were for operation below maximum pump rate of the device.
Starting Page	1
Ending Page	1
File Size	155691
Page Count	1
File Format	PDF
ISBN	9781557528902
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-05-16
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	OSA
Subject Keyword	Power measurement Power lasers Crystallization Solid lasers Thermal management Optical pumping Solid state circuits Ceramics Slabs Conducting materials
Content Type	Text
Resource Type	Article

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