optimization of modified volume fresnel zone plate

... Society of America OCIS codes: 320.7110, 050.1970, 130.3120, 000.4430 . 1. INTRODUCTION Recently, modified volume Fresnel zone plates (MVFZPs) consisting of several layers of Fresnel zone plates ... 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...

Ngày tải lên: 06/05/2014, 08:54

... Society of America OCIS codes: 320.7110, 050.1970, 130.3120, 000.4430 . 1. INTRODUCTION Recently, modified volume Fresnel zone plates (MVFZPs) consisting of several layers of Fresnel zone plates ... 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...

Ngày tải lên: 06/05/2014, 08:58

... 000.4430, 050.1960, 070.2590 . 1. INTRODUCTION The volume Fresnel zone plate (VFZP) is a focusing device consisting of a number of Fresnel zone plate (FZP) layers inside a transparent medium [1,2]. ... DIFFRACTION ANALYSIS OF VOLUME FRESNEL ZONE PLATE In this section the Hankel BPM is used to study diffrac- tion by a VFZP (see Fig. 5). For the simplest case of a...

Ngày tải lên: 06/05/2014, 08:53

... zone plate. A volume Fresnel zone plate consists of a number of layers of zone plates or modified zone plates in a volume of a suitable material, such as fused silica. In this work, the zone plates ... of increasing the number of Fresnel zone plates or modified Fresnel zone plates within a volume, which we call volume zone plates, to achieve high dif...

Ngày tải lên: 06/05/2014, 09:02

... practices of the critical edition of diagrams. 2.3 Purpose and practices of the critical edition of diagrams The main purpose of the critical edition of diagrams is to reconstruct the earliest form of ... (1994). The Works of Archimedes Archimedes was the greatest scientist of antiquity and one of the greatest of all time. This book is Volume I of the first fully fledg...

Ngày tải lên: 21/09/2012, 11:00

... chamber. 1 1 Outline of Injection Volume Control 2 2 Control of Fuel Injection Volume 2-1 Controlling the Injection Volume End of Injection Cam Plate Solenoid Spill Valve Begins to Lift (Start of Injection) ON OFF Cam ... of injection is determined by the position of the cam plate. Fuel is increased or decreased by controlling the timing of the end of injection. The e...

Ngày tải lên: 23/10/2012, 09:09

... chemicals were of analytical grade. Preparation of solid lipid nanoparticles Weighed amounts of soyalecithin and Dynasan were dissolved in 10 ml of dichloromethane. Certain am oun ts of 5-FU was ... complex with a variety of drugs through chemical bindings [8]. The phenome- non of nanoparticles has been applied in a number of research approaches for the improvement of...

Ngày tải lên: 25/10/2012, 11:22

... chemicals used were of the highest purity available and of analytical grade. Screening, isolation and identification of micro-organism Isolation of the microbial strain capable of IAA produc- tion ... addition of 4 ml of sodium hydroxide (5 mol l )l ) solution; ethyl alcohol was used to make the final volume of 10 ml. After mixing the contents, absorbance was recorded at 360 n...

Ngày tải lên: 06/08/2013, 21:06

... double-maximum dimensionless profit rate. The profit rate of the model cycle is optimized by optimal allocation of the heat conductance of the heat exchangers in Part 2 of this paper. Copyright ... Thermodynamic Optimization of Finite Time Processes. Chichester: Wiley, 1999. [12] Chen L, Wu C, Sun F. Finite time thermodynamic optimization of entropy generation minimizati...

Ngày tải lên: 05/09/2013, 14:58

... inlet composition of the cathode side gas stream as function of temperature and different values of reactant pressures International Journal of Energy and Environment (IJEE), Volume 4, Issue ... understanding of the phenomena inside the cell. They only correlate output with input. Semi-empirical models are very useful for estimating the performance of PEM fuel cell stacks...

Ngày tải lên: 05/09/2013, 14:58