He became founding director of the Ottawa Medical Physics Institute (OMPI) which spanned both universities, Health Canada, National Research Council, and Atomic Energy with strong ties to industry. Raaphorst supervised/graduated 21 postgraduates and OMPI graduated over 100 postgraduates. He has published 235 papers, received $3.5 million in research funding and has given numerous international presentations. Upon retirement in 2005, Raaphorst was awarded the prestigious Ottawa Life Sciences Council Life-time Achievement Award and later the Gold Medal Life-time Achievement Award by the Canadian Organization of Medical Physics. In 2018 he was elected to the Wall of Fame in Renfrew Collegiate High School.
Raaphorst continues to be active in mammography and Bone Mineral Density QC and national policy, raising money to help refugees and as head of finance in his local church.