Sayler, A. M., Rathje, T., Müller, W., Rühle, K., Kienberger, R., & Paulus, G. G. (2011). Precise, real-time, every-single-shot, carrier-envelope phase measurement of ultrashort laser pulses. Optics Letters, 36(1), 1-3. doi:10.1364/OL.36.000001.