Patent
Optical computational system
TLDR
In this paper, an optical filter compresses data into and/or derives data from a light signal, and the filter way weight an incident light signal by wavelength over a predetermined wavelength range according to a predetermined function so that the filter performs the dot product of the light signal and the function.Abstract:
In optical filter systems and optical transmission systems, an optical filter compresses data into and/or derives data from a light signal. The filter way weight an incident light signal by wavelength over a predetermined wavelength range according to a predetermined function so that the filter performs the dot product of the light signal and the function.read more
Citations
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Patent
Statistical representation and coding of light field data
Dan Lelescu,Frank Bossen +1 more
TL;DR: In this article, a method of representing light field data by capturing a set of images of at least one object in a passive manner at a virtual surface where a center of projection of an acquisition device that captures the captured images lies was proposed.
Patent
In situ optical computation fluid analysis system and method
TL;DR: A multivariate optical element (MOE) calculation device is used in an apparatus for determining a property of petroleum in real time flowing in a pipe in petroleum field stream pipes or pipe line.
Patent
Novel multivariate optical elements for optical analysis system
TL;DR: In this article, a multivariate optical element for an optical analysis system is developed, which consists of an optically absorptive spectral element having an optic absorptive material, the optically absorbing material being absorbing in a predetermined spectral region, and utilizing the optical spectral element in the optical analysis systems.
Patent
Multi-zone imaging sensor and lens array
TL;DR: In this article, an imaging module includes a matrix of detector elements formed on a single semiconductor substrate and configured to output electrical signals in response to optical radiation that is incident on the detector elements.
Patent
Methods and devices for optically determining a characteristic of a substance
Robert P. Freese,Christopher Michael Jones,David L. Perkins,Michael Simcock,William Soltmann +4 more
TL;DR: In this article, an optical computing device with an electromagnetic radiation source configured to optically interact with a sample and first and second integrated computational elements arranged in primary and reference channels, respectively, is described.
References
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Patent
Method and apparatus for multi-spectral analysis in noninvasive nir spectroscopy
Gamal Khalil,Stephen F. Malin +1 more
TL;DR: In this article, a method and apparatus are described for determining the concentration of an analyte present in a sample using multi-spectral analysis in the near infrared and mid-infrared ranges.
Patent
Method and apparatus for multi-spectral analysis of organic blood analytes in noninvasive infrared spectroscopy
Stephen F. Malin,Khalil Gamal +1 more
TL;DR: In this paper, a method and apparatus for determining the concentration of an organic blood analyte using multi-spectral analysis in the near infrared and mid-infrared ranges is described, where incident radiation containing a plurality of distinct, nonoverlapping regions of wavelengths in the range of approximately 1100 to 5000 nm is used to scan a sample.
Journal ArticleDOI
Refinement of optical multilayer systems with different optimization procedures.
Jerzy A. Dobrowolski,R. A. Kemp +1 more
TL;DR: Ten different optimization methods, representing both local and global minimum seeking algorithms, were applied to the solution of three different optical thin film design problems, finding the relative efficiencies of the various methods.
Patent
Positive correlation filter systems and methods of use thereof
TL;DR: In this article, a number of optically active elements are provided that enable the performance of accurate, dependable chemical analysis in a medium having varying matrix backgrounds and substantial component interferences.
Patent
Non-invasive non-spectrophotometric infrared measurement of blood analyte concentrations
Myron J. Block,Lester Sodickson +1 more
TL;DR: In this article, a non-invasive non-spectrophotometric method for measuring the blood concentration of analytes such as glucose has been developed, where a plurality of broad spectrum filters (30A-30D) transmit distinguishably coded by choppers (20A-20D) beams of radiation in overlapping portions of the spectrum to the sample.