| 摘要 |
PROBLEM TO BE SOLVED: To observe tissue in a fixed state without damaging. SOLUTION: The tip 6 of a probe 7 is made up of an optical frame 11, an optical unit 12, and a tip cover 13, and the optical frame 11 is adhered to the tip of a tube 9, and the tip cover 13 forming the optical unit 12 and a transparent window member is adhered to the optical frame 11. Fibers 13b from a four-terminal coupler is fixed between the substrate 15 of the optical unit 12 and a spacer 16, and the tip cover 13 is made of a transparent polycarbonate, and a medium 25 akin to polycarbonate is filled into the space between the tip cover 13 and the optical unit 12.
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