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Research on triplet states and photochromism.

Verfasser/in: Maurice W WINDSOR; TRW SPACE TECHNOLOGY LABS REDONDO BEACH CALIF.
Verlag: Ft. Belvoir Defense Technical Information Center 31 JUL 1963.
Ausgabe/Format   Buch : EnglischAlle Ausgaben und Formate anzeigen
Datenbank:WorldCat
Zusammenfassung:
The report describes research studies on the photochromic properties of the triplet states of aromatic compounds and their application to the problem of eye-protection against nuclear weapons. Several oxygen-substituted derivatives of the most promising aromatic hydrocarbons investigated to date were obtained and their T-T absorption spectra studied. Two of the four compounds studied appear promising in termsof  Weiterlesen…
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Dokumenttyp: Buch
Alle Autoren: Maurice W WINDSOR; TRW SPACE TECHNOLOGY LABS REDONDO BEACH CALIF.
OCLC-Nummer: 227424334
Anmerkungen: See also AD-600 218.
Beschreibung: 49 p.

Abstract:

The report describes research studies on the photochromic properties of the triplet states of aromatic compounds and their application to the problem of eye-protection against nuclear weapons. Several oxygen-substituted derivatives of the most promising aromatic hydrocarbons investigated to date were obtained and their T-T absorption spectra studied. Two of the four compounds studied appear promising in termsof spectral coverage and photochemical stability. For one compound, naphthocoronene, a extinction coefficient value of 200,000 was obtained. This is an encouragingly high figure and comparable to the value calculated as being necessary to provide protection against flash blindness. Plastic specimens up to 1 inch in diameter and of excellent optical quality can now be made routinely. In a preliminary study of fatigue, a plastic specimen containing chrysene showed no evidence of fatigue after exposure to 50 high-intensity flashes of light.

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