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Optical Compensation of Mechanical Effects for Holographic Digital Data Storage System
University of Arizona researchers have invented a Holographic Digital Data Storage System (HDSS) that employs optical components to compensate for mechanical instability. This invention calculates errors introduced during the recording process, then compensates for those errors during the reading process. Background: Holographic Data Storage Systems...
Published: 7/15/2022   |   Inventor(s): Yuzuru Takashima, Kenichi Shimada
Keywords(s): high density recording, holographic data storage, optical compensation, signal to noise ratio, vibration
Category(s): Technology Classifications > Imaging & Optics > Data Storage, Technology Classifications > Imaging & Optics
Application of Wavelet Transform Filtering for Processing Data Signals from Optical Data Storage Devices
Researchers at the James C. Wyant College of Optical Sciences at The University of Arizona have developed methods for processing data signals that significantly improve the capability of optical disc players to recover data from surface-damaged optical discs. The RF data signal from an optical data storage device is processed and filtered via wavelet...
Published: 7/15/2022   |   Inventor(s): Thomas Milster, Swetha Kannan
Keywords(s):  
Category(s): Technology Classifications > Imaging & Optics > Data Storage, Technology Classifications > Imaging & Optics
Wavelength Diversity Detection for Holographic Data Storage System
The technology is a method to reduce noise in third generation technology optical discs that record up to 8TB of information. A technique responsible for the increase in the signal-to-noise ratio uses a wide spectrum laser to sense noise and respond in a way that enhances the signal. Background: Optical discs can only hold so much information before...
Published: 7/15/2022   |   Inventor(s): Yuzuru Takashima, Yusuke Nakamura
Keywords(s):  
Category(s): Technology Classifications > Imaging & Optics > Data Storage, Technology Classifications > Imaging & Optics > Lasers & Other Sources, Technology Classifications > Imaging & Optics > Sensors and Detection
Implementing Multiplication And Division In Optics
This invention is an all-optical approach to implementing mathematical operations on a circuit board in a computer. It uses the non-linear response to light of certain types of thin film materials in a novel approach to multiply & divide numbers in an all-optical mathematical circuit. The approach is an analogue method which implies a constant time...
Published: 7/15/2022   |   Inventor(s): Masoud Babaeian, Nasser Peyghambarian, Robert Norwood, Mark Neifeld, Pierre Blanche
Keywords(s):  
Category(s): Technology Classifications > Imaging & Optics, Technology Classifications > Imaging & Optics > Data Storage