Reconstruction-free wavefront measurements with enhanced sensitivity
| Affiliation auteurs | !!!! Error affiliation !!!! |
| Titre | Reconstruction-free wavefront measurements with enhanced sensitivity |
| Type de publication | Conference Paper |
| Year of Publication | 2014 |
| Auteurs | Godin T, Fromager M, Cagniot E, Brunel M, Ait-Ameur K |
| Editor | Gorecki C, Asundi AK, Osten W |
| Conference Name | OPTICAL MICRO- AND NANOMETROLOGY V |
| Publisher | SPIE; Brussels Photon Team; Fonds Wetenschappelijk Onderzoek |
| Conference Location | 1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA |
| ISBN Number | 978-1-62841-080-8 |
| Mots-clés | lateral effect photodiode, phase discontinuity, position sensitive detector, Shack-Hartmann sensor, Wavefront, Z-scan |
| Résumé | We report the development of a new device able to record an optical wavefront with an improved sensitivity and without resorting to any reconstruction technique such as Zernike polynomial decomposition. A direct comparison with a standard Shack-Hartmann sensor is performed within the field of Z-scan-like experiments. It is also shown using computer-generated holograms that our device is suitable for characterizing phase discontinuities or sharp phase variations. |
| DOI | 10.1117/12.2049695 |