High-speed, high-precision focal length measurement using double-hole mask and advanced image sensor software

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Updated: Feb 15, 2026

Measurement of Dynamic Force Acted on Water Strider Leg Jumping Upward by the PVDF Film Sensor
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Binh Xuan Cao1, Phuong Le Hoang2, Sanghoon Ahn3

  • 1Department of Laser and Electron Beam Application, Korea Institute of Machinery & Materials (KIMM), Daejeon 34103, South Korea; Department of Nano-Mechatronics, Korea University of Science and Technology (UST), Daejeon 34113, South Korea.

ISA Transactions
|January 26, 2018
PubMed

Keywords:
Double-hole maskFocal length measurementImage sensorLaser micromachining

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