TY - RPRT TI - High-sensitivity plasma density retrieval in a common-path second-harmonic interferometer through simultaneous group and phase velocity measurement AU - van Tilborg, J. AU - Gonsalves, A. J. AU - Esarey, E. AU - Schroeder, C. B. AU - Leemans, W. P. PY - 2019 DO - 10.1063/1.5080269 UR - https://www.osti.gov/biblio/1616971 ID - 1616971 ER -