1. Department of Optical Engineering, College of Optical, Mechanical and Electrical Engineering, Zhejiang A&F University, Hangzhou, Zhejiang, 311300, P.R. China
2. State Key Laboratory of Subtropical Silviculture, Zhejiang A&F University, Lin'an, 311300 Zhejiang Province, China
3. Bamboo Industry Institute, Zhejiang A&F University, Lin'an, 311300 Zhejiang Province, China