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SCOWAs have produced 1.5 W of output power with a 44 mW seed. Arrays of 47 SCOWA elements have demonstrated a raw power of 57 W. Coherent beam combining of these arrays will be discussed.
Individually addressable GaAs-based 9XX-nm Slab-Coupled Optical Waveguide (SCOW) laser and amplifier arrays have been demonstrated in a modular 2-D stacked architecture. Approximately 20 W of coherently-combined power was obtained from two optically stacked amplifier modules.
A hollow-core photonic bandgap (PBG) fiber sensing configuration for optical absorption spectroscopy of multiple-component gas samples absent of a vacuum environment is presented. Pressure-driven sensor response times that are shorter in duration compared to diffusion-limited filling times for fiber lengths >1 m are reported. Reduced filling times that approach the sub-minute regime are possible...
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