@article{6211, author = {E. Burt and W. Nagourney}, title = {Signal-to-noise enhancement in optical spectroscopy of single indium ions using amplitude modulation and synchronous detection}, year = {1997}, journal = {Review of Scientific Instruments}, volume = {68}, pages = {1348}, month = {Jan-01-1997}, issn = {00346748}, url = {http://link.aip.org/link/RSINAK/v68/i2/p1348/s1\&Agg=doi}, doi = {10.1063/1.1147869}, }