| Budget Amount *help |
¥17,550,000 (Direct Cost: ¥13,500,000、Indirect Cost: ¥4,050,000)
Fiscal Year 2020: ¥3,900,000 (Direct Cost: ¥3,000,000、Indirect Cost: ¥900,000)
Fiscal Year 2019: ¥5,200,000 (Direct Cost: ¥4,000,000、Indirect Cost: ¥1,200,000)
Fiscal Year 2018: ¥8,450,000 (Direct Cost: ¥6,500,000、Indirect Cost: ¥1,950,000)
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| Outline of Final Research Achievements |
Aiming to establish a technique for measurement of the profile of an ultra-precision free-form surface, a concept of the multi-beam angle sensor, in which the spatial position and the local slope of the point irradiated by a measurement laser beam in the group of the multiple laser beam can be obtained simultaneously, has been proposed. The theoretical investigation, as well as the development of the experimental setup including a fiber-based femtosecond laser source, has been carried out, and the feasibility of the proposed concept has been verified by the experimental results.
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