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. Author manuscript; available in PMC: 2022 Jul 7.
Published in final edited form as: J Am Soc Mass Spectrom. 2021 Apr 19;32(7):1601–1609. doi: 10.1021/jasms.0c00471

Figure 2. Performance characteristics of FOX flash photolysis module.

Figure 2.

A. Light output of the flash lamp. The flash lamp reaches 90% of maximum output after 230 ns and has a flash width of 9.95 μs FWHM. The light output drops below detectable levels by 43 μs. B. Stability of the flash lamp at 750 V drive voltage, as measured by hydroxyl radical production via adenine dosimetry. Based on linear regression, the half-life of the lamp is approximately 171,000 shots. The fused silica capillary was replaced after 28,600 shots; this caused no apparent change in results.