Diao Zhi-Hui, Huang Wen-Bin, Deng Shu-Peng, Liu Yong-Gang, Peng Zeng-Hui, Yao Li-Shuang, Xuan Li. Distributed-feedback laser based on low-scattering and high-gain holographic polymer dispersed liquid crystal gratingJ. Acta Physica Sinica, 2013, 62(3): 034202. DOI: 10.7498/aps.62.034202