1. Graduate Institute of Applied Science and Technology, National Taiwan University of Science and Technology, Taipei 106, Taiwan
2. Graduate of Electro-Optical Engineering and Electronic and Computer Engineering, National Taiwan University of Science and Technology, Taipei 106, Taiwan
3. Department of Physics, Tamkang University, Tamsui, New Taipei City 251, Taiwan
4. Research Center for X-ray Science, College of Science, Tamkang University, Tamsui, New Taipei City 251, Taiwan