| The absorption characteristics of circular, offset, and rectangular double-clad fibers A Liu, K Ueda Optics Communications 132 (5-6), 511-518, 1996 | 262 | 1996 |
| Low bend loss coated optical fiber X Chen, J Koh, MJ Li, A Liu, J Wang US Patent 7,539,381, 2009 | 252 | 2009 |
| Al/Ge co-doped large mode area fiber with high SBS threshold MJ Li, X Chen, J Wang, S Gray, A Liu, JA Demeritt, AB Ruffin, AM Crowley, ... Optics Express 15 (13), 8290-8299, 2007 | 226 | 2007 |
| Spectrally beam-combined fiber lasers for high-average-power applications TH Loftus, AM Thomas, PR Hoffman, M Norsen, R Royse, A Liu, ... IEEE journal of selected topics in quantum electronics 13 (3), 487-497, 2007 | 164 | 2007 |
| 60-W green output by frequency doubling of a polarized Yb-doped fiber laser A Liu, MA Norsen, RD Mead Optics letters 30 (1), 67-69, 2005 | 162 | 2005 |
| 502 Watt, single transverse mode, narrow linewidth, bidirectionally pumped Yb-doped fiber amplifier S Gray, A Liu, DT Walton, J Wang, MJ Li, X Chen, AB Ruffin, JA DeMeritt, ... Optics express 15 (25), 17044-17050, 2007 | 160 | 2007 |
| Limit of effective area for single-mode operation in step-index large mode area laser fibers MJ Li, X Chen, A Liu, S Gray, J Wang, DT Walton, LA Zenteno Journal of Lightwave Technology 27 (15), 3010-3016, 2009 | 153 | 2009 |
| Suppressing stimulated Brillouin scattering in fiber amplifiers using nonuniform fiber and temperature gradient A Liu Optics express 15 (3), 977-984, 2007 | 131 | 2007 |
| 522 W average power, spectrally beam-combined fiber laser with near-diffraction-limited beam quality TH Loftus, A Liu, PR Hoffman, AM Thomas, M Norsen, R Royse, E Honea Optics letters 32 (4), 349-351, 2007 | 118 | 2007 |
| Spectral beam combining of high-power fiber lasers A Liu, R Mead, T Vatter, A Henderson, R Stafford Fiber Lasers: Technology, Systems, and Applications 5335, 81-88, 2004 | 99 | 2004 |
| Apparatus and method for spectral-beam combining of high-power fiber lasers AJW Brown, EC Honea, TH Loftus, RD Mead, CE Hamilton, A Liu, ... US Patent 7,199,924, 2007 | 94 | 2007 |
| Systems and methods for measuring birefringence in glass and glass-ceramics A Liu, RV Roussev, VM Schneider, AM Whittier US Patent 8,957,374, 2015 | 80 | 2015 |
| Three-level air-clad rare-earth doped fiber laser/amplifier JC Fajardo, MT Gallagher, A Liu, CM Truesdale, LA Zenteno US Patent 6,987,783, 2006 | 76 | 2006 |
| Method and apparatus for spectral-beam combining of high-power fiber lasers AJW Brown, EC Honea, TH Loftus, RD Mead, CE Hamilton, A Liu, ... US Patent 7,233,442, 2007 | 74 | 2007 |
| Numerical analysis and experimental results of output performance for Nd-doped double-clad fiber lasers NS Kim, T Hamada, M Prabhu, C Li, J Song, K Ueda, A Liu, HJ Kong Optics communications 180 (4-6), 329-337, 2000 | 72 | 2000 |
| 1W single-transverse-mode Yb-doped double-clad fibre laser at 978nm LA Zenteno, JD Minelly, A Liu, AJG Ellison, SG Crigler, DT Walton, ... Electronics Letters 37 (13), 1, 2001 | 66 | 2001 |
| Method and apparatus for spectral-beam combining of fiber-amplified laser beams using high-efficiency dielectric diffractive gratings AJW Brown, EC Honea, TH Loftus, RD Mead, CE Hamilton, A Liu, ... US Patent 7,535,631, 2009 | 61 | 2009 |
| Efficient operation of an intracavity-doubled nd:yvo4/ktp laser end pumped by a high-brightness laser diode D Shen, A Liu, J Song, K Ueda Applied optics 37 (33), 7785-7788, 1998 | 60 | 1998 |
| Apparatus and method for generating controlled-linewidth laser-seed-signals for high-powered fiber-laser amplifier systems EC Honea, JD Henrie, MP Savage-Leuchs, LA Borschowa, A Liu US Patent 7,539,231, 2009 | 53 | 2009 |
| Optical fibers with tailored acoustic speed profiles for suppressing stimulated Brillouin scattering in high-power, single-frequency sources S Gray, DT Walton, X Chen, J Wang, MJ Li, A Liu, AB Ruffin, JA Demeritt, ... IEEE Journal of Selected Topics in Quantum Electronics 15 (1), 37-46, 2009 | 48 | 2009 |
