Alfred Josef Thelen
April 19, 2010
In Memoriam: Alfred Josef Thelen, 1929-2010Alfred Josef Thelen, an OSA Fellow Emeritus known for his contributions to the field of optical thin films, died on April 19, 2010, in Frankfurt, Germany. He was 81.
Thelen’s accomplishments included work in such areas as antireflection coatings, reflection and minus filters, edge filters, beam splitters, broad- and narrow-bandpass ...