EEMCS

Hardman, P.J. and Clarkson, W.A. and Friel, G.J. and Pollnau, M. and Hanna, D.C. (1999) Energy-transfer upconversion and thermal lensing in high-power end-pumped Nd:YLF laser crystals. IEEE journal of quantum electronics, 35 (4). pp. 647-655. ISSN 0018-9197 *** ISI Impact 2,477 ***

Hardman, P.J. and Pollnau, M. and Clarkson, W.A. and Hanna, D.C. (1998) The influence of energy-transfer upconversion on thermal lensing in end-pumped Nd:YLF and Nd:YAG lasers. In: Conference on Lasers and Electro-Optics / Europe, 14-18 September 1998, Glasgow, UK. 151. European Physical Society. ISBN 0-7803-4233X

Pollnau, M. and Hardman, P.J. and Clarkson, W.A. and Hanna, D.C. (1998) Upconversion, lifetime quenching, and ground-state bleaching in Nd³⁺:LiYF₄ Optics communications, 147 (1-3). pp. 203-211. ISSN 0030-4018 *** ISI Impact 1,517 ***

Pollnau, M. and Hardman, P.J. and Kern, M.A. and Clarkson, W.A. and Hanna, D.C. (1998) Upconversion-induced heat generation and thermal lensing in Nd:YLF and Nd:YAG. Physical review B: Condensed matter and materials physics, 58 (24). pp. 16076-16092. ISSN 0163-1829