PT Unknown AU Wienhold, T Kraemmer, S Bacher, A Kalt, H Koos, C Koeber, S Mappes, T TI Free-Space Read-Out of WGM Lasers Using Circular Micromirrors SE Conference on Lasers and Electro-Optics (CLEO) : 10 - 15 May 2015, San Jose, CA PY 2015 BP paper EP SF1H.6. DI 10.1364/CLEO_SI.2015.SF1H.6 LA english PI San José, CA, USA ER