Watt-level single-frequency tapered amplifier laser using a narrowband interference filter Huang, Yi-Jan ; Patel, D. N. ; Chen, Tzu-Ling ; Huang, Yao-Chin ; Chan, Yung-Chun ; Nauer, Celine ; Liu, Yi-Wei ; Wang, Li-Bang ; Shy, Jow-Tsong Abstract Publication: Applied Optics Pub Date: August 2018 DOI: 10.1364/AO.57.007038 Bibcode: 2018ApOpt..57.7038H