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LP01.m, LP02.m, LP03m, LP11.m, LP12.m, LP13.m, LP21.m, LP22.m, LP31.m, LP41.m, LP51.m, LP61.m, LP71.m are the Matlab files that generate 2 and 3D images of the corresponding optical modes

Given 2 3D arrays, A and B, where A(:,:,i) and B(:,:,i) are i 2D matrices, multiply A(:,:,i)*B(:,:,i) without the use of a for loop.

More an experiment in coding than a practically useful piece of code, the goal was to derive an...

A Monte-Carlo simulation meant to calculate the position of micronsized particles in an optical trap (seen as an harmonic potential). It returns the position in meters. Bead radius, corner frequency/ trapping stiffness, sampling frequency and...

The zip file includes the next programs:

BPM_free_space.m - Propagation of a gaussian pulse in free space

BPM_triangle.m - Propagation of a gaussian pulse in a triangle index profile waveguide

BPM_2step.m -...

A Fabry-Parot Filter consist of the cavity formed by two highly reflective mirrors placed parallel to each other , as shown in the figure 1.The input light beam to the filter enters the first mirror at right angles to its surface. The output of...

fcnHomogeneousMaskAreaFilter performs noise filtering on an image based on searching for the most homogeneous mask within a search area around a pixel of interest. The method uses a square neighborhood of 5x5 pixels with 3x3 masks to estimate the...

Given wavelength, temperature, pressure, humidity and CO2 concentration, uses algorithms described in to compute the real part of the refractive index of air. Valid for visible wavelengths and most...

This algorithm has also been implemented in CUDA language for parallel execution, which allows to perform real-time optical flow. See CUDA Zone for more details.

Optical_bench - a simple ray-tracing tool for optical systems built
with lenses, slits, transmission gratings, apertures and
screens. Lenses of general shapes can be modeled, with light rays
entering arbitrary angles. Several simple...

fcnFirstOrderStatisticsFilter performs noise filtering on an image based on using First Order Local Statistics around a prespecified pixel neighborhood. The method is based on

[1] J. S. Lee, "Digital image smoothing and sigma...

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...

Ruby/Libburn provides a Ruby access to libburn, an open-source library for reading, mastering and writing optical discs. Libburn is part of the FreeDesktop project (

This program can be used to acquire data from Agilent 86141B optical spectrum analyzer using an Agilent 82357A USB/GPIB convertor.

The program will require the Primary address of the Optical spectrum analyzer ,start wavelength,stop...

fcnMaxHomogeneityOverPixelNeighborhood performs noise filtering on an image using a switched mean filter with most homogeneous gray-values within a pre-specified local neighborhood around the pixel of interest. It uses a square neighborhood of 3x3...

the function calculates the (complex) values of index of refraction (gold_n) or the values of dielectric constant (gold_eps) of gold, as a function of wavelength.
the values calculate using linear interpolation of the values given in: P. B....

It's a toolbox/blockset about fiber optics communications. You can make a lot of networks setup, and you can create diagrams from the block provided. Also, it's useful to learn how optical communication works. Enjoy it!!! good luck

phpOCR is a simple optical character recognizer. It works with numbers by default but any character support is available with custom templates.

It has features such as:

- image upload
- remote image by URL
- html...

This method implements a phase-based Opictal Flow Algorithm described in:
Gautama, T. and Van Hulle, M.M. (2002). A Phase-based Approach to the Estimation of the Optical Flow Field Using Spatial Filtering.IEEE Trans. Neural Networks, 13(5),...

Simulate and demonstrate the beauti of optical diffraction

This optical flow program shows how "optical flow" block from Video and image processing blockset of Simulink is capable dealing with BOTH rigid and non rigid optical flow!

The advantage using this block for optical flow is...