@incollection{Guo10, author = {Zhongyi Guo and Lingling Ran and Shiliang Qu and Shutian Liu}, title = {Several Diffractive Optical Elements Fabricated by Femtosecond Laser Pulses Writing Directly}, booktitle = {Coherence and Ultrashort Pulse Laser Emission}, publisher = {IntechOpen}, address = {Rijeka}, year = {2010}, editor = {F. J. Duarte}, chapter = {26}, doi = {10.5772/13729}, url = {https://doi.org/10.5772/13729} }