| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a fiber optical switch with a simple structure. <P>SOLUTION: A refractive index matching agent filled part 23 composed of holes 33 filled with a refractive index matching agent, whose refractive index has a temperature characteristic and whose variation range brought about by the temperature change includes the refractive index of a cladding 32, filled therein is formed in a holey optical fiber 11 comprising a core 31 and the cladding 32 having the cylindrical holes 33 spaced equally and formed on the circumference centering on the core 31. <P>COPYRIGHT: (C)2006,JPO&NCIPI</p> |
