4Liang W Y, Dang J W, Wang H Z. Directional emitter and beam splitter based on self-collimation effect [ J ]. OPTICS EX- PRESS, 2007, 15(3) : 1234-1239.
5Cheng Fang, Fan Kuangchao. Linear diffraction grating inter- ferometcr with high alignment toleranceand high accuracy [ J]. APPLIED OPTICS, 2011, 50(22): 4551-4556.
6Zhao Lirong, Zhu Wei, Zhang Yaoyu, et al. The Method of the System Error Modification of Photoelectric Theodolite of T Type[ C ]//2012 International Conference on Optoelectronies and Mieroeleetronics. Changchun. Jilin : IEEE, 2012 : 384 - 387.
