In the National Central University (NCU), he is an outstanding professor. Besides dedicating to the research of thin film optics, coating processes and interferometry, he also devoted to the general education. He have raised funds for a new building and founded the Department of Optics and Photonics and Thin Film Technology Center, facilitated student exchange programs between NCU and College of Optics Sciences, U of A, USA. Up to date, he has mentored more than 200 MS and 32 PhD., published more than 200 journal papers, 400 conference papers (30 Invited talks, 8 Keynote Speakers or Plenary Speakers), encouraged students to contribute to optical society (as adviser of SPIE Student Chapter & OSA Student Chapter at NCU), offered 2 to 3-day intensive course 84 times for more than 2600 people and inspired middle high school students to study optics and photonics through one-day tutoring for more than 400 students.