OPTICAL FIBER
PROBLEM TO BE SOLVED: To provide an optical fiber of guide illumination, etc., using the optical fiber which does not immediately stop the function of the guide illumination, etc., by putting off a light source. SOLUTION: The optical fiber and the light storage material are combined. The light stora...
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Zusammenfassung: | PROBLEM TO BE SOLVED: To provide an optical fiber of guide illumination, etc., using the optical fiber which does not immediately stop the function of the guide illumination, etc., by putting off a light source. SOLUTION: The optical fiber and the light storage material are combined. The light storage material is incorporated into the entire part or part of the clad material 14 of the optical fiber consisting of a core material 13 and the clad material 14, by which the light emission by the incident light from the light source is attained at the time of lighting of the light source and the light emission by the emitted light of the light storage material as the light source is attained for the specified time after the putting out at the time of putting off the light source. |
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