GOLD is very thankful to all scientists who collaborated with GOLD in the determination of optical constants of materials: Dr. Ritva Keski-Kuha (NASA-GSFC), Prof. A. Marco Malvezzi, Dr. Daniele Bajoni, Ms. Sara Covini (Univ. Pavia), Dr. Luca Poletto, Dr. Denis Garoli, Dr. Fabio Frassetto (Univ. Padova-CNR), Prof. Stefano Nannarone, Dr. Angelo Giglia, Dr. Nicola Mahne (Elettra and Univ. Modena), Dr. Regina Soufli, Dr. S. L. Baker, Dr. J. C. Robinson (Lawrence Livermore Natl Laboratory), Dr. Eric M. Gullikson, Dr. Farhad Salmassi, Dr. Andy Aquila (Berkeley Natl. Laboratory), Dr. Philip J. Martin, Dr. Avi Bendavid (CSIRO), Dr. Anton Tremsin, Prof. Ostwald W. Siegmund (Univ. Berkeley).
GOLD is also indebted to all former members of the group who worked in optical-constant determination: Prof. José Antonio Aznárez, Dr. José Antonio Méndez, Mr. José Calvo, Dr. Mónica Fernández, Dr. Manuela Vidal, Mr. Sergio García, Dr. Luis Rodríguez, Mr. Antonio P. Pérez.
Top left: transmittance vs. photon energy of various Yb films with the indicated thicknesses. Top right: transmittance vs. film thickness at the indicated photon energies. Lines are exponential fits. Bottom left: k of Yb obtaind from the T vs. thickness curves. Bottom right: δ=1-n of Yb vs. photon energy obtained from k with the Kramers-Kronig analysis.