| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide an optical fiber transmission system in which the variation in spectral transmission characteristics is very smaller over a wide wavelength band than conventional systems. <P>SOLUTION: The optical fiber transmission system, which transmits spectrum in an optical fiber 1, includes tubes 2, 3 which circulate a temperature-adjusted fluid 5 in them, wherein the tubes 2, 3 are arranged to enclose the optical fiber 1 or along the transmission direction on the outside face of the optical fiber 1, a plurality of temperature measurement bodies are provided at appropriate positions on the outside of the optical fiber 1, the temperature of the fluid 5 circulating in the tubes 2, 3 is controlled with a temperature controller 6 on the basis of the measured data measured by the temperature measurement bodies, and the outside face of the tube 3 is covered with a heat insulating material 4. <P>COPYRIGHT: (C)2011,JPO&INPIT</p> |
