Showing results 1 to 4 of 4
High-speed, high-precision focal length measurement using double-hole mask and advanced image sensor software Binh Xuan Cao; Phuong Le Hoang; Ahn, Sanghoon; Kim, Jeng-o; Kang, Heeshin; Noh, Jiwhan, ISA TRANSACTIONS, v.74, pp.239 - 244, 2018-03 |
Measurement of focal length based on laser-beam-spot tracking system using diffractive beam sampler Cao, Binh Xuan; Le Hoang, Phuong; Ahn, Sanghoon; Kim, Jeng-o; Kang, Heeshin; Noh, Jiwhan, MEASUREMENT, v.122, pp.135 - 140, 2018-07 |
Real-time detection of focal position of workpiece surface during laser processing using diffractive beam samplers Cao, Binh Xuan; Hoang, PhuongLe; Ahn, Sanghoon; Kim, Jeng-o; Sohn, Hyonkee; Noh, Jiwhan, OPTICS AND LASERS IN ENGINEERING, v.86, pp.92 - 97, 2016-11 |
Real-time laser focusing system for high-precision micromachining using diffractive beam sampler and advanced image sensor Cao, Binh Xuan; Hoang, Phuong Le; Ahn, Sanghoon; Kim, Jeng-o; Kang, Heeshin; Noh, Jiwhan, OPTICS AND LASERS IN ENGINEERING, v.107, pp.13 - 20, 2018-08 |
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