Search Results - Optics

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Device to Determine the Location of the Guidewire in Lumpectomy Excisions
An optical inspection system to assist a pathologist in determining the location of the guidewire in a surgical lumpectomy. Problem Solved by this Technology During image-guided surgery, a guidewire is used to label a target lesion. A surgeon uses the guidewire to determine the location of the mass and information from the mammogram to determine t...
Published: 4/28/2015   |   Inventor(s): Andrew Berger, Thomas Foster, Rebecca Wilson, James Zavislan
Keywords(s):  
Category(s): Surgical/Medical Device, Optics
Perfect Paraxial Cloak Design and Device
Applications A paraxial cloaking device provides a cloaking volume in which an item can be hidden from view, from a continuous range of directions in three dimensions. Advantages The cloaking device overcomes some of the limitations of previous devices, such as background discontinuity, using inexpensive, readily available materials in a novel con...
Published: 10/1/2014   |   Inventor(s): Joseph Choi, John Howell
Keywords(s):  
Category(s): Optics
Strong Vision Equation for Enhanced Zyoptix Outcome
The present invention is an algorithm that provides better predictability of postoperative refractive error following customized LASIK treatment for myopia. Applications: The Strong Vision Method provides a superior treatment outcome following customized LASIK surgery by further compensating the effect of higher order aberrations on postoperative ...
Published: 7/19/2012   |   Inventor(s): Manoj Venkiteshwar, Scott Macrae
Keywords(s): Algorithm, Diagnostic, Ophthalmology, Software, Vision
Category(s): Therapeutic, Optics
Simple, Accurate, Real-Time 3D Imaging System
Brief Description: This invention relates to a simple, inexpensive, automated 3-D imaging system that will allow a physician to perform a rapid preoperative and postoperative 3-D analysis of the head and neck. The technology aids in airway quality evaluation in anesthesiology; plastic surgery and biometric systems, including 3-D facial recogni...
Published: 5/26/2011   |   Inventor(s): Bo Hu, Jacek Wojtczak, Christopher Brown
Keywords(s):  
Category(s): Imaging, Informatics, Optics
Interferometer on a Chip
Applications: The invention relates to liquid crystal (LC) devices that are used as the active modulation element in phase-shifting Point Diffraction Interferometer (LCPDI) which are used to accurately measure changes in optical path. These modulation elements are constructed to permit a reference beam and an object beam traversing a common op...
Published: 2/14/2011   |   Inventor(s): Kenneth Marshall
Keywords(s):  
Category(s): Optics
Optical Pulse-Train Generator
This optical pulse train generator is a new electronic-photonic integrated circuit (EPIC) built on a silicon-on-insulator (SOI) platform, using a transfer matrix analysis of micro-rings with a time-interleaved architecture. Applications: This optical arbitrary wave form generator on a silicon chip can be used in optical-based interconnect within c...
Published: 10/18/2010   |   Inventor(s): Hui Wu, Shang Wang
Keywords(s):  
Category(s): Communications, Computer Hardware, Optics
Dual-Detection of Phase for Full Range Doppler OCT
A dual detection technique for Optical Coherence Tomography (OCT) preserves the phase information in the acquired spectra by the retrieval of quadrature components of the complex interferometric signal. A rotatable non-polarizing beam splitter cube provides the required p/2 phase shifted interference signal. Applications Optical coherence tomogra...
Published: 5/4/2010   |   Inventor(s): Kye-Sung Lee, Panomsak Meemon, Jannick Rolland
Keywords(s):  
Category(s): Diagnostic, Optics
Magnetorheological Finishing Fluid with Zirconia-Coated Carbonyl Iron for Optics Fabrication
An improved fluid for magnetorheological finishing (MRF) of optical parts is made from carbonyl iron coated with zirconia. Applications: This material is as a long-life polishing agent for use in MRF finishing of optics components. It is also expected to be of use in fluid jet polishing equipment for optical lens fabrication. Advantages: The z...
Published: 10/23/2009   |   Inventor(s): Hong Yang, Rui Shen, Shai Shafrir, Chunlin Miao, Mimi Wang, Joni Mici, John Lambropoulos, Stephen Jacobs
Keywords(s):  
Category(s): Optics
Software for Adaptive Optics: TsunamiSLO
Brief Description: The software provides user-friendly control of devices needed for adaptive optics: wavefront sensor (Shack-Hartmann or other) with a digital camera, wavefront corrector (such as Boston Micromachines deformable mirror, or ImagineEyes deformable mirror), laser controller (such as Thorlabs ITC-502 or other) and power meters (s...
Published: 6/17/2009   |   Inventor(s): Kamran Ahmad
Keywords(s):  
Category(s): Diagnostic, Optics
Software for Computing Zernike Characterization of an Optical Wave Front: TsunamiWave
Brief Description: The software is used for the full characterization of an optical beam, by the computation of Zernike polynomials from wavefront sensor data. Applications: For use in adaptive optics systems, such as scanning laser ophthalmoscopes, optical coherence tomography and astronomy. Advantages: The software provides a full charact...
Published: 6/17/2009   |   Inventor(s): Alfredo Dubra, Kamran Ahmad
Keywords(s):  
Category(s): Optics
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