An overview of WFIRST/AFTA coronagraph optical modeling

2015 ◽  
Author(s):  
John Krist ◽  
Bijan Nemati ◽  
Hanying Zhou ◽  
Erkin Sidick
Keyword(s):  
Optical Modeling

scholarly journals Hyaluronan orders water molecules in its nanoscale extended hydration shells

2021 ◽  
Vol 7 (10) ◽  
pp. eabf2558
Author(s):  
J. Dedic ◽  
H. I. Okur ◽  
S. Roke
Keyword(s):  
Second Harmonic ◽  
Hydration Shell ◽  
Water Molecules ◽  
Temperature Dependent ◽  
Flexible Chain ◽  
Optical Modeling ◽  
Hydration Shells ◽  
Second Harmonic Scattering ◽  
Nuclear Quantum Effects ◽  
Extracellular Environment

Hyaluronan (HA) is an anionic, highly hydrated bio-polyelectrolyte found in the extracellular environment, like the synovial fluid between joints. We explore the extended hydration shell structure of HA in water using femtosecond elastic second-harmonic scattering (fs-ESHS). HA enhances orientational water-water correlations. Angle-resolved fs-ESHS measurements and nonlinear optical modeling show that HA behaves like a flexible chain surrounded by extended shells of orientationally correlated water. We describe several ways to determine the concentration-dependent size and shape of a polyelectrolyte in water, using the amount of water oriented by the polyelectrolyte charges as a contrast agent. The spatial extent of the hydration shell is determined via temperature-dependent measurements and can reach up to 475 nm, corresponding to a length of 1600 water molecules. A strong isotope effect, stemming from nuclear quantum effects, is observed when light water (H2O) is replaced by heavy water (D2O), amounting to a factor of 4.3 in the scattered SH intensity.

Optical modeling and electrical properties of cadmium oxide nanofilms: Developing a meta–heuristic calculation process model

2015 ◽  
Vol 117 (13) ◽  
pp. 135303 ◽  
Author(s):  
Ali Abdolahzadeh Ziabari ◽  
A. H. Refahi Sheikhani ◽  
Reza Vatani Nezafat ◽  
Kasra Monsef Haghighidoust
Keyword(s):  
Electrical Properties ◽  
Process Model ◽  
Cadmium Oxide ◽  
Optical Modeling ◽  
Calculation Process

Optical data collection and bio-optical modeling in Northern Adriatic Sea

1999 ◽  
Author(s):  
Luigi Alberotanza ◽  
G. Ferro Milone ◽  
Giuliana Profeti ◽  
C. Ramasco
Keyword(s):  
Data Collection ◽  
Adriatic Sea ◽  
Optical Data ◽  
Northern Adriatic Sea ◽  
Northern Adriatic ◽  
Optical Modeling

Optical modeling for millimeter and submillimeter-wave systems

2008 ◽  
Author(s):  
John A. Murphy ◽  
Marcin L. Gradziel ◽  
Creidhe O'Sullivan ◽  
Tully Peacocke ◽  
Neil Trappe ◽  
...  
Keyword(s):  
Submillimeter Wave ◽  
Optical Modeling

scholarly journals Optical modeling for a laser phased-array directed energy system

2014 ◽  
Author(s):  
Gary B. Hughes ◽  
Philip Lubin ◽  
Janelle Griswold ◽  
Brianna Cook ◽  
Durante Bozzini ◽  
...  
Keyword(s):  
Phased Array ◽  
Energy System ◽  
Optical Modeling ◽  
Directed Energy

Rigorous Optical Modeling of Elliptical Photonic Nanowires

2012 ◽  
Vol 30 (13) ◽  
pp. 2176-2180 ◽  
Author(s):  
Amine Ben Salem ◽  
Rim Cherif ◽  
Mourad Zghal
Keyword(s):  
Optical Modeling
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