... Beam propagation modeling of modified volume Fresnel zone plates fabricated by femtosecond laser direct writing Pornsak Srisungsitthisunti, 1 Okan K. Ersoy, 2, * and Xianfan ... 19, 2008 (Doc. ID 101731); published December 24, 2008 Light diffraction by volume Fresnel zone plates (VFZPs) is simulated by the Hankel transform beam propaga- tion method (Hankel BPM)...
Ngày tải lên: 06/05/2014, 08:53
volume fresnel zone plates fabricated by femtosecond laser direct writing
... letter, volume Fresnel zone plates fabricated inside fused silica using femtosecond laser direct writing are demonstrated. A volume zone plate consists of a number of layers of Fresnel zone plates designed ... diffraction efficiency. These volume Fresnel zone plates having various numbers of layers were fabricated inside fused silica by femtosecond la-...
Ngày tải lên: 06/05/2014, 09:02
... 2009 Modified volume Fresnel zone plates (MVFZPs) fabricated with laser direct writing were optimized for higher diffraction efficiencies. The Fresnel radii in each layer of a volume zone plate were ... demonstrated high-efficiency MVFZPs fabricated inside a fused silica by a femtosecond laser direct writing method [1,2]. The MVFZP replaces the regular Fresnel...
Ngày tải lên: 06/05/2014, 08:54
laser direct writing of volume modified fresnel
... vol- ume zone plates and 1.8ϫ 10 −3 for the laser processing conditions used for fabricating high NA volume zone plates. B. Low-Numerical-Aperture Volume Zone Plates Phase-type volume Fresnel zone plates ... number of Fresnel zone plates or modified Fresnel zone plates within a volume, which we called volume zone plates, to achieve high dif- fractio...
Ngày tải lên: 06/05/2014, 08:55
optimization of modified volume fresnel zone plate
... 2009 Modified volume Fresnel zone plates (MVFZPs) fabricated with laser direct writing were optimized for higher diffraction efficiencies. The Fresnel radii in each layer of a volume zone plate were ... demonstrated high-efficiency MVFZPs fabricated inside a fused silica by a femtosecond laser direct writing method [1,2]. The MVFZP replaces the regular Fresnel...
Ngày tải lên: 06/05/2014, 08:58
controllable growth offlowerlike zno nanostructures by combining laser direct
... for 10 min. 2.2. Laser direct writing Micropatterning of the as-prepared substrate was conducted by a femtosecond laser sy stem . A com merci al regenerative amplified Ti: Sapphire laser (RegA 9000, ... flowerlike ZnO nanos- tructures by combining laser direct writing and hydrothermal growth method. The control of the as -fabricated ZnO flowerlike structures can be achieve...
Ngày tải lên: 06/05/2014, 13:22
laser direct writing of silicon field effect transistor sensors
... of laser direct writing of silicon wires. A laser beam (green) is focused on a localized spot (red dot) where a silicon wire is synthe- sized. Fresnel phase zone plates were used to focus the laser ... wires are deposited using laser direct writing in combination with CVD which we previously demonstrated for deposition of intrinsic SiNWs. 15 The unique feature of the fa...
Ngày tải lên: 06/05/2014, 08:54
plasma formation in fused silica induced by loosely focused femtosecond laser pulse
... irradiated by a loosely focused high power femtosecond laser pulse is studied both experimentally and numerically. The experimental measurement of plasma radiation shows that the laser pulse ... is observed at more than one spot along the laser propagation direction. © 2006 American Institute of Physics. ͓DOI: 10.1063/1.2183361͔ Femtosecond lasers have been proposed to microma- ch...
Ngày tải lên: 06/05/2014, 08:54
plasma formation in fused silica induced by loosely focused femtosecond laser pulse
... irradiated by a loosely focused high power femtosecond laser pulse is studied both experimentally and numerically. The experimental measurement of plasma radiation shows that the laser pulse ... is observed at more than one spot along the laser propagation direction. © 2006 American Institute of Physics. ͓DOI: 10.1063/1.2183361͔ Femtosecond lasers have been proposed to microma- ch...
Ngày tải lên: 06/05/2014, 08:58
Volume of retail trade down by 0.8% in euro area ppt
... with November 2012 Volume of retail trade down by 0.8% in euro area Down by 0.6% in EU27 In December 2012 compared with November 2012, the volume of retail trade 1 fell by 0.8% in the euro ... sales index dropped by 3.4% in the euro area and by 2.0% in the EU27. The average volume of retail trade index for 2012, compared with 2011, fell by 1.7% in the euro area and...
Ngày tải lên: 06/03/2014, 23:20