| Iris-like tunable aperture employing liquid-crystal elastomers. S Schuhladen, F Preller, R Rix, S Petsch, R Zentel, H Zappe Advanced Materials (Deerfield Beach, Fla.) 26 (42), 7247-7251, 2014 | 253 | 2014 |
| Fundamentals of Micro-optics H Zappe Cambridge University Press, 2010 | 188 | 2010 |
| Tunable microfluidic microlenses A Werber, H Zappe Applied optics 44 (16), 3238-3245, 2005 | 186 | 2005 |
| Optical MEMS: From micromirrors to complex systems O Solgaard, AA Godil, RT Howe, LP Lee, YA Peter, H Zappe Journal of Microelectromechanical systems 23 (3), 517-538, 2014 | 175 | 2014 |
| A MEMS-based variable micro-lens system F Krogmann, W Moench, H Zappe Journal of Optics A: Pure and Applied Optics 8 (7), S330, 2006 | 139 | 2006 |
| Cascaded second-order optical nonlinearities in on-chip micro rings R Wolf, I Breunig, H Zappe, K Buse Optics express 25 (24), 29927-29933, 2017 | 122 | 2017 |
| Comprehensive microsystems YB Gianchandani, O Tabata, HP Zappe (No Title), 2008 | 112 | 2008 |
| Smart artificial muscle actuators: Liquid crystal elastomers with integrated temperature feedback S Petsch, R Rix, B Khatri, S Schuhladen, P Müller, R Zentel, H Zappe Sensors and Actuators A: Physical 231, 44-51, 2015 | 109 | 2015 |
| Effect of lens size on the focusing performance of plasmonic lenses and suggestions for the design Y Yu, H Zappe Optics express 19 (10), 9434-9444, 2011 | 108 | 2011 |
| Elastomeric lenses with tunable astigmatism P Liebetraut, S Petsch, J Liebeskind, H Zappe Light: Science & Applications 2 (9), e98-e98, 2013 | 105 | 2013 |
| Design of spherically corrected, achromatic variable-focus liquid lenses S Reichelt, H Zappe Optics express 15 (21), 14146-14154, 2007 | 95 | 2007 |
| Quasi-phase-matched nonlinear optical frequency conversion in on-chip whispering galleries R Wolf, Y Jia, S Bonaus, CS Werner, SJ Herr, I Breunig, K Buse, H Zappe Optica 5 (7), 872-875, 2018 | 93 | 2018 |
| Introduction to semiconductor integrated optics HP Zappe (No Title), 1995 | 89 | 1995 |
| An all-dielectric tunable optical filter based on the thermo-optic effect D Hohlfeld, H Zappe Journal of optics A: Pure and applied Optics 6 (6), 504, 2004 | 85 | 2004 |
| High-throughput injection molding of transparent fused silica glass M Mader, O Schlatter, B Heck, A Warmbold, A Dorn, H Zappe, P Risch, ... Science 372 (6538), 182-186, 2021 | 84 | 2021 |
| Narrow-linewidth vertical-cavity surface-emitting lasers for oxygen detection HP Zappe, M Hess, M Moser, R Hövel, K Gulden, HP Gauggel, ... Applied Optics 39 (15), 2475-2479, 2000 | 80 | 2000 |
| Wafer-scale fabricated thermo-pneumatically tunable microlenses W Zhang, H Zappe, A Seifert Light: Science & Applications 3 (2), e145-e145, 2014 | 79 | 2014 |
| Fabrication and testing of micro-lens arrays by all-liquid techniques W Moench, H Zappe Journal of Optics A: Pure and applied optics 6 (4), 330, 2004 | 79 | 2004 |
| Highly compact imaging using Bessel beams generated by ultraminiaturized multi-micro-axicon systems N Weber, D Spether, A Seifert, H Zappe JOSA A 29 (5), 808-816, 2012 | 78 | 2012 |
| Combined Twyman–Green and Mach–Zehnder interferometer for microlens testing S Reichelt, H Zappe Applied optics 44 (27), 5786-5792, 2005 | 78 | 2005 |
