@conference{1237796, author = {Thomas Gerrits and John H. Lehman and Alan Migdall and Sae Woo Nam and Igor Vayshenker and Chih-Ming Wang}, title = {Progress on Single Photon Detector Efficiency Calibrations at NIST}, year = {2017}, month = {2017-06-14 04:06:00}, publisher = {Proceeding of NEWRAD 2017, 13th International Conference on New Developments and Applications in Optical Radiometry, Tokyo, JP}, url = {https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=922943}, language = {en}, }