Implementation and Optimization of a Dual-confocal Autofocusing System.

Chia-Ming Jan1, Chien-Sheng Liu2, Jyun-Yi Yang3

  • 1Metal Industries Research and Development Centre, Kaohsiung City 81160, Taiwan.

Summary

A novel dual-confocal autofocusing system precisely determines real-time position using front and rear focal point signals. Optimization revealed rear focal position and optical difference significantly impact performance for accurate micro-optical applications.