TY - JOUR AU - John Hall AU - Jun Ye AU - L.-S. Ma AB - We present detailed considerations on the achievable sensitivity in the measurement of birefringence using a high finesse optical cavity, emphasizing techniques based on frequency metrology. Alternative approaches of laser locking and cavity measurement techniques are discussed and demonstrated. High-precision measurements of the cavity mirror birefringence have led to the interesting observations of photorefractive activities on mirror surfaces. BT - Physical Review A DA - 2000-06 DO - 10.1103/PhysRevA.62.013815 N2 - We present detailed considerations on the achievable sensitivity in the measurement of birefringence using a high finesse optical cavity, emphasizing techniques based on frequency metrology. Alternative approaches of laser locking and cavity measurement techniques are discussed and demonstrated. High-precision measurements of the cavity mirror birefringence have led to the interesting observations of photorefractive activities on mirror surfaces. PY - 2000 T2 - Physical Review A TI - Measurement of mirror birefringence at the sub-ppm level: Proposed application to a test of QED VL - 62 SN - 1050-2947 ER -