15 October 2012 A compact UV timing fiducial system for use with x-ray streak cameras at NIF
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Abstract
We present the design of a compact UV (263-nm) timing fiducial system for use with x-ray streak cameras at the National Ignition Facility (NIF). The design consists of remote fiber amplification of an infrared 1053-nm (1ω) seed, a free-space optical path that has two stages of frequency conversion from 1ω to the fourth harmonic (4ω), and fiber delivery of the 4ω signal via output fiber for use with an x-ray streak camera. This is all contained within an airbox that can reside in a vacuum. The 1ω seed and the pump light for the fiber amplifier is delivered to the airbox via optical fiber ( 100 meters) from a location in the NIF that is shielded from neutron radiation generated from imploding targets during system shots. When complete, the system will be able to provide timing fiducials to multiple x-ray streak cameras on the same system shot. We will present data that demonstrates end-to-end system performance.*
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Doug Homoelle, Doug Homoelle, Mark Bowers, Mark Bowers, Don Browning, Don Browning, Scott Burns, Scott Burns, Gaylen Erbert, Gaylen Erbert, Brad Golick, Brad Golick, Jim Haley, Jim Haley, Tom McCarville, Tom McCarville, Yekaterina Opachich, Yekaterina Opachich, Ernesto Padilla, Ernesto Padilla, Nathan Palmer, Nathan Palmer, Brad Perfect, Brad Perfect, Larry Pelz, Larry Pelz, Tom Spinka, Tom Spinka, Alan Throop, Alan Throop, J. Nan Wong, J. Nan Wong, } "A compact UV timing fiducial system for use with x-ray streak cameras at NIF", Proc. SPIE 8505, Target Diagnostics Physics and Engineering for Inertial Confinement Fusion, 850504 (15 October 2012); doi: 10.1117/12.928668; https://doi.org/10.1117/12.928668
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