| 摘要 |
PROBLEM TO BE SOLVED: To improve the measuring accuracy in a measuring device utilizing the total reflection. SOLUTION: A surface plasmon sensor comprising a measurement chip 10, a laser light source 14 generating the optical beam L for measurement, an incoming optical system 15, a cylindrical lens 16, a light detecting means 17, and a signal processing part 20 for processing the output from the light detecting means 17, further comprises a partition 5 for dividing a sample holding part 13 of the measurement chip 10 into two areas A, B, and the sample holding part 13 of the measurement chip 10 is provided with a guide part 13b for inserting the partition 5. COPYRIGHT: (C)2003,JPO
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