Affiliation: Massachusetts Institute of Technology
- Design of diffractive lenses that generate optical nulls without phase singularitiesRajesh Menon
Research Laboratory of Electronics, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA
J Opt Soc Am A Opt Image Sci Vis 26:297-304. 2009..To ensure ease of fabrication, these lenses are composed of concentric circular zones. Furthermore, we show that this technique is readily extended to multiple wavelengths and can be used to improve tolerance to fabrication errors...