Vortex Optics

The dog is men's best friend and street lamps are the best friends of the well behaved dogs in this cruel world of the sidewalk where too often: " a good dog is a dead dog ". DOGS AND LIGHTS put you in charge of the mission to rescue puppies from a battle field riddled with mines, holes and...

DxO FilmPack is a plug-in for Adobe Photoshop and DxO Optics Pro. It is also available as a stand-alone application. DxO FilmPack gives digital images the style of the most celebrated conventional films: the colors – and the grain! – of over 20 film types including Kodachrome, Tri-X,...

Fight the IT Blues.The heart of KnowledgeBASE is a highly searchable and exandable information tree, viewed in outline or audited within a built-in wordprocessor.References to web sites, corporate sites, and network directories may be added at will. Essential documents may be stored right in the...


Platforms: Windows

YP Refraction is a tool to learn all about the refraction of light (Snell's law) in geometrical optics. The program provides a laser source that can be moved around a prism. Six different prisms are available: a simple frontier between two media of different index of refraction, a semicircular...


Platforms: Mac

X-Saver is a screen saver module for the Screen Saver panel of the System Preferences application. It displays a high-speed vortex tunnel: this thing is really "psychedelic"!


Platforms: Mac

Astronomy Calculators is a small, easy to use application, specially designed to offer users a collection of small and simple calculator utilities. The aim of these calculator is to help amateur astronomers with the mundane calculations for optics and telescopes, and for conversions. for...


Platforms: Windows

Use DxO Optics Pro, Adobe Camera Raw or Nikon Capture to perform RAW conversions with images from your Aperture library. Catapult will stack the converted images with your RAW masters in Aperture, and archive the settings used to produce the converted image for later use. Catapult automates the...


Platforms: Mac

Electronics - DC Current flow - Basic Electronics - Resistor Value Test - Simple DC Circuits - Types of Switching - Variable Voltages - Ohm's Law - DC Voltage - DC Current - Series/Parallel Resistors - AC Measurements - AC Voltage and Current - AC Theory - RCL Series Circuits - RCL Parallel...


Platforms: Windows, Linux

Electronics - DC Current flow - Basic Electronics - Resistor Value Test - Simple DC Circuits - Types of Switching - Variable Voltages - Ohm's Law - DC Voltage - DC Current - Series/Parallel Resistors - AC Measurements - AC Voltage and Current - AC Theory - RCL Series Circuits - RCL Parallel...


Platforms: Windows, Linux

Looking Glass is a geometric optics construction set that allows students to create and explore situations involving several objects, lenses, mirrors and images. This software takes an interactive, visual approach to physics. Looking Glass will help students develop an intuition for the effect of...


Platforms: Windows

EMpy (Electromagnetic Python) is a suite of algorithms widely knonw and used in electromagnetic problems and optics: the transfer matrix algorithm, the rigorous coupled wave analysis algorithm and more.


Platforms: Windows, Mac, Linux

This code computes the complex dielectric constant (i.e. relative permittivity) and the refractive index of various metals using either the Lorentz-Drude (LD) or the Drude model (D) as a function of input light wavelength.Additionally, it may compute the dielectric constant of pure water using a...


Platforms: Matlab

This is a demo program of the paper J. Tian, L. Chen, L. Ma and W. Yu, "Multi-focus image fusion using a bilateral gradient-based sharpness criterion," Optics Communications, Vol. 284, Jan. 2011, pp. 80-87.


Platforms: Matlab

Acoustic tomography involves sending a sonic signal across a measurement area and timing how long it takes to travel the distance. A number of transducers are situated around the measurement area to achieve this. Since the absolute sonic speed is affected by temperature and wind speed, so is the...


Platforms: Matlab

We present some basic programs written for the MATLAB environment for the analysis of optical and acoustic data and for signal processing. These programs exploit novel concept derived from a theoretical physics approach. These programs can be easily customized by the expert user, but they...


Platforms: Matlab

This is a suite of programs for time resolved PIV and hotwire postprocessing. It has routines to make movies, compute turbulence statistics, customized plots, vortex core identification, slow speed region identification in a turbulent boundary layer. The suite of programs is not very clean but...


Platforms: Matlab

This toolkit has two main purposes.1. Decomposition and visualization of paraxial beams in Hermite-Gaussian and Laguerre-Gaussian bases. (These functions are located in the subdirectory "transverse.")2. Propagation of such beams through optical systems including two-mirror fabry-perot cavities....


Platforms: Matlab

The toolbox can import spectra acquired on spectroradiometers manufactured by Analytical Spectral Devices (ASD), Spectra Vista Corporation (SVC), Ocean Optics and the Field Spectroscopy Facility (FSF). It can post process spectra to calculate spectral reflectance, radiance and irradiance. It also...


Platforms: Matlab

Radar cross section (RCS) prediction code based on the physical optics (PO) approximation.POFACETS is an implementation of the physical optics approximation for predicting the radar cross section (RCS) of complex objects. It utilizes the scientific computational features of MATLAB and its GUI...


Platforms: Matlab

Zernike polynomials are orthogonal on the unit circle and are commonly used in optics for phase aberrations. Use zernike_fcn3.m to generate Zernike polynomials. Input includes a vector of the desired polynomials; these do not have to be consecutive. Possible polynomial orderings include: 'noll' =...


Platforms: Matlab