| , New second-stage concentrators XX SMS for parabolic primaries; Comparison with conventional parabolic trough concentrators, Solar Energy 92 2013 98—105• Parabolic shape formed by a liquid surface under rotation | ,, Nonimaging Optics, Academic Press, 2004• The whole assembly is rotating around a vertical axis passing through the centre |
|---|---|
| The gap between the sheets is closed at the bottom, sides and top |
, Infinitesimal etendue and Simultaneous Multiple Surface SMS concentrators for fixed receiver troughs, Solar Energy 97 2013 493—504• Two liquids of different densities completely fill a narrow space between two sheets of transparent plastic.