Media type: Electronic Conference Proceeding Title: Spectroscopic characterization and upconversion processes under ~1.5 μm pumping in Er doped Yttria ceramics Contributor: Brown, Ei E.; Hommerich, Uwe; Bluiett, Althea; Kucera, Courtney; Ballato, John; Trivedi, Sudhir imprint: SPIE, 2013 Published in: SPIE Proceedings Extent: Language: Not determined DOI: 10.1117/12.2002522 ISSN: 0277-786X Origination: Footnote: