| 摘要 |
PROBLEM TO BE SOLVED: To eliminate the taking-out of a split sleeve from an optical adaptor, to dispense with even the need of verifying a slit position, and to obtain a stable measurement because the position for rotation accurately becomes 90 degrees in addition to short measuring time. SOLUTION: The optical adaptor includes a split sleeve having a slit in the axial direction and a pair of adaptor bodies which have a hole for inserting the split sleeve and which are arranged with the ends in contact with each other so that the openings of the hole face oppositely. In the hole of one of the adaptor bodies, the adaptor bodies and a projected part that engages with the slit are integrally provided. COPYRIGHT: (C)2007,JPO&INPIT
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