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Applied Optics

Applied Optics


  • Vol. 6, Iss. 3 — Mar. 1, 1967
  • pp: 415–416

A High Intensity Flash Lamp for Vacuum Ultraviolet Photochemical Studies

B. C. Roquitte  »View Author Affiliations

Applied Optics, Vol. 6, Issue 3, pp. 415-416 (1967)

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A simple flash photolysis lamp has been described. This lamp has output in the vacuum uv region down to LiF cutoff and has been used successfully in the photodecomposition of ethane. The output intensity was measured below 1650 Å using carbon dioxide as an actinometer and was found to be 7.2 × 1016 quanta/flash or 1.31 × 1021 quanta/sec. This intensity is about a factor of 106–107 higher than that of the low intensity vacuum uv lamp normally used in the continuous photolysis technique.

© 1967 Optical Society of America

Original Manuscript: August 8, 1966
Published: March 1, 1967

B. C. Roquitte, "A High Intensity Flash Lamp for Vacuum Ultraviolet Photochemical Studies," Appl. Opt. 6, 415-416 (1967)

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  1. R. G. Norrish, G. Porter, Quart. Rev. Chem. Soc. (London) 164, 658 (1949).
  2. L. S. Nelson, J. Opt. Soc. Am. 46, 768 (1956). [CrossRef]
  3. Technical report, AD-416-366. U. S. Dept. of Commerce, Springfield, Va. 22151 (1963).
  4. D. Kley, F. Stuhl, K. H. Welge, Z. Naturforsch. 180, 906 (1963).
  5. E. C. Y. Inn, K. Watanabe, M. Zelikoff, J. Chem. Phys. 21, 1648 (1953). [CrossRef]
  6. Slightly lower value was given by W. Groth, Z. Physik. Chem. (Leipzig) 37B, 307 (1937).
  7. Hideo Okabe, J. Opt. Soc. Am. 54, 478 (1964). [CrossRef]

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