TY - RPRT TI - Efficient conversion of picosecond laser pulses into second-harmonic frequency using group-velocity dispersion. AU - Y Wang AU - R Dragila PY - 1990 DO - 10.1103/physreva.41.5645 UR - https://pubmed.ncbi.nlm.nih.gov/9902951/ ID - 9902951 ER -