 OSA Output-stabilized high-repetition-rate 1.545-μm Q-switched Er:glass laserOSA Publishing Optics Letters Volume 9 Issue 5 Page 147Yukio Morishige,1 Shunji Kishida,1 Kunihiko Washio,1 Hisayoshi Toratani,2 and Masataka Nakazawa3 