Authors：
Sheng-Ping Chiang, Chun-Ta Wang, Ting-Mao Feng, Cheng-Chang Li, Hung-Chang Jau, Shang-Yi Su, Shang-Da Yang, and Tsung-Hsien Lin
Paper Title：
Selective variable optical attenuator for visible and mid-Infrared wavelengths
Journal：
OPTICS EXPRESS