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In previous years, this committee reported on the need for a US National Laser damage standard, addressing the needs of domestic industry. [1] Last year, a process was reported that connected the measurement of the active defect density in a small area, a, with the likely density of such defects over a larger area, A. This was presented as the basis of a Type 1, go/no-go test. The main issue as reported last year is that the proper flow of a standard is to start with the required properties of the larger area and design a robust test. The process presented in 2017 [2] is hard to implement in a way convenient for the non-expert user, which is nearly all. The main thrust of the work in 2018, is developing and evaluating options for implementing a useful workable standard.
[1] “Periodic Review of ISO 21254: US National Committee Proposal for Revision”, Jonathan W. Arenberg, Donna J. Howland, Christopher Wren Carr, Michael D. Thomas, John C. Bellum, Trey Robinson and Jason Yager, Presented at SPIE Laser Damage, Boulder CO, 2016
[2] "U.S. National Committee proposed revision to the ISO Laser Damage Standard”, Jonathan W. Arenberg, Donna Howland, Michael Thomas, Trey Turner, John Bellum, Ella Field, C. Wren Carr, Gary Shaffer, Matthew Brophy, Allen Krisiloff, Proc. SPIE 10447, Laser-Induced Damage in Optical Materials 2017, 104471E (21 November 2017)
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