| 摘要 |
PROBLEM TO BE SOLVED: To provide an aperture converter which constitutes a low-cost interferometer system, for simplified measurement operation, reducing the load on the operator. SOLUTION: The aperture converter for an interferometer comprises a plurality of lenses, and is provided with optical systems 9 and 10, which convert an incident optical flux to a parallel optical flux and emit it toward an analyte. An optical surface, closest to the analyte 11 among the optical system 9 and 10, acts as a reference flat surface 10a, and all the optical surfaces other than the reference flat surface 10a are subjected to antireflection treatment. COPYRIGHT: (C)2005,JPO&NCIPI
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