Band structure and light propagation in photonic crystals;
光子晶体中的能带结构及其光的传播
A new method of measuring the linear expansion coefficient of metal by the method of laser diffraction is proposed and brouze is measured.
利用光的衍射法可以较精确地测量长度变化这一特点，对黄铜的线胀系数进行了测量。
A new method of measuringYoung,s modulus of metal wire by the method of laser diffraction is proposed and steel wireis measured.
利用光的衍射法可以较精确地测量长度变化这一特点，对钢丝的杨氏模量进行了测量，给出测量杨氏模量的一种新方法。
The relationship of Church of The Light and Chapel at Ronchamp in modal structure;
光的教堂与朗香教堂形态结构关联研究