Optics damage inspection for the nif
WebOct 10, 2007 · The National Ignition Facility (NIF) at the Lawrence Livermore National Laboratory (LLNL) will routinely fire high energy shots (approaching 10 kJ per beamline) through the final optics, located on the target chamber. After a high fluence shot, exceeding 4J/cm 2 at 351 nm wavelength, the final optics will be inspected for laser-induced damage. WebTwo optics damage inspection system will be implemented on the NIF, one to inspect optics within the laser and transport sections and the other to inspect the final optics at the …
Optics damage inspection for the nif
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WebJul 8, 2024 · Two optics damage inspection system will be implemented on the NIF, one to inspect optics within the laser and transport sections and the other to inspect the final optics at the target chamber ...
WebSelect search scope, currently: catalog all catalog, articles, website, & more in one search; catalog books, media & more in the Stanford Libraries' collections; articles+ journal … WebOct 23, 2007 · The FODI (Final Optics Damage Inspection) system has been developed for this purpose, with requirements to detect laser-induced damage initiation and to track and size it's the growth to the point at which the optic is removed and the site mitigated. The FODI system is the 'corner stone' of the NIF optic recycle strategy.
WebMay 1, 2024 · Ultra-smooth and high-damage-threshold optics is largely demanded in high power laser systems (such as NIF in the U.S., or the SG-III Facility in China) [1,2].However, researches indicate that the subsurface damage (SSD) generated during grinding and polishing plays a key role in reducing the laser-induced damage threshold (LIDT) … WebJul 6, 2010 · Final Optics Damage Inspection (FODI) for the National Ignition Facility Full Record Related Research Authors: Conder, A D; Chang, J J; Kegelmeyer, L M; Spaeth, M L; …
WebJul 28, 2024 · The PDS even has its own final optics damage inspection (FODI) camera, which peers back down the beamline to detect laser-induced optical damage, just as it …
WebApr 6, 2024 · In NIF laser shots, a complex series of optics, including amplifiers, mirrors and wavelength converters, strengthens and guides laser light into the target chamber, where … small outdoor cabinets weatherproofWebJul 23, 1999 · Optics damage inspection for the NIF Thompson, Calvin E. 1999-07-23 00:00:00 Two optics damage inspection system will be implemented on the NIF, one to inspect optics within the laser and transport sections and the other to inspect the final optics at the target chamber. Both system use dark-field imaging technology to enhance … sonoma county cannabis cupWebHere we describe an overview of custom image analysis, machine learning, and deep learning methods used throughout the recycle loop for optics inspection on the NIF beamlines and off. Since 2007 we’ve used machine learning to improve accuracy and automate tedious processes to enable and inform an efficient optics recycle loop. sonoma county california genealogyWebApr 6, 2024 · But leaving a fused silica optic like the GDS uncoated results in a penalty in energy: at the 352-nanometer, or ultraviolet, wavelength of NIF’s lasers, 3.7 percent of the laser energy reflects up the beamline from the optic’s exit surface and must be captured by a beam dump so it won’t damage other optics. small outdoor cat houses for saleWebTwo optics damage inspection system will be implemented on the NIF, one to inspect optics within the laser and transport sections and the other to inspect the final optics at the target chamber. Both system use dark-field imaging technology to enhance defect contrast. Details of each system design will be provided. A functional optics damage inspection system … small outdoor cooking stoveWebTwo optics damage inspection system will be implemented on the NIF, one to inspect optics within the laser and transport sections and the other to inspect the final optics at the target chamber. Both system use dark-field imaging technology to enhance defect contrast. Details of each system design will be provided. sonoma county cash for grassWebThe FODI (Final Optics Damage Inspection) system has been developed for this purpose, with requirements to detect laser-induced damage initiation and to track and size it's the … sonoma county child care council