TY - CONF AU - Alan Migdall C2 - Precision Electromagnetic Measurements IEEE Trans. on Instrum. and Meas , Sydney, AS DA - 2001-01-01 LA - en M1 - 50 PB - Precision Electromagnetic Measurements IEEE Trans. on Instrum. and Meas , Sydney, AS PY - 2001 TI - Absolute Quantum Efficiency Measurements Using Correlated Photons: Toward a Measurement Protocol ER -