TY - RPRT TI - Whispering-Gallery-Mode Tunable Narrow-Band-Pass Filter AU - Savchenkov, Anatoliy AU - Iltchenko, Vladimir AU - Matsko, Andrey AU - Maleki, Lute PY - 2004 UR - https://ntrs.nasa.gov/citations/20110016767 ID - 20110016767 ER -