Precise measurements of hyperfine components in the spectrum of molecular iodine

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Absolute wave numbers with a typical uncertainty of 1 MHz (95% confidence) were measured for 102 hyperfine-structure components of {sup 127}I{sub 2}. The data cover the range 560-656 nm, with no gaps over 50 cm{sup -1}. The spectra were observed using Doppler-free frequency modulation spectroscopy with tunable cw laser. The laser was locked to selected iodine components and its wave number measured with a high precision Fabry-Perot wavemeter. Accuracy is confirmed by good agreement of 9 of the lines with previous results from other laboratories. These measurements provide a well-distributed set of precise reference lines for this spectral region.

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34 p.

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Sansonetti, C.J. May 1, 1996.

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This report is part of the collection entitled: Office of Scientific & Technical Information Technical Reports and was provided by the UNT Libraries Government Documents Department to the UNT Digital Library, a digital repository hosted by the UNT Libraries. It has been viewed 215 times, with 4 in the last month. More information about this report can be viewed below.

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  • Sansonetti, C.J. National Inst. of Standards and Technology, Gaithersburg, MD (United States)

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Absolute wave numbers with a typical uncertainty of 1 MHz (95% confidence) were measured for 102 hyperfine-structure components of {sup 127}I{sub 2}. The data cover the range 560-656 nm, with no gaps over 50 cm{sup -1}. The spectra were observed using Doppler-free frequency modulation spectroscopy with tunable cw laser. The laser was locked to selected iodine components and its wave number measured with a high precision Fabry-Perot wavemeter. Accuracy is confirmed by good agreement of 9 of the lines with previous results from other laboratories. These measurements provide a well-distributed set of precise reference lines for this spectral region.

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34 p.

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OSTI as DE97051947

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  • Other Information: PBD: May 1996

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Office of Scientific & Technical Information Technical Reports

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  • May 1, 1996

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  • July 25, 2015, 2:21 a.m.

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  • Feb. 17, 2016, 3:32 p.m.

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Sansonetti, C.J. Precise measurements of hyperfine components in the spectrum of molecular iodine, report, May 1, 1996; California. (https://digital.library.unt.edu/ark:/67531/metadc684462/: accessed November 3, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.

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