TY  - RPRT
TI  - Graded-index whispering gallery mode resonators
AU  - Savchenkov, Anatoliy
AU  - Maleki, Lutfollah
AU  - Ilchenko, Vladimir
AU  - Matsko, Andrey B.
PY  - 2005
UR  - https://ntrs.nasa.gov/citations/20080007012
ID  - 20080007012
ER  -