Advanced ultra-high-capacity optical random access memory and pattern recognition techniques

Hua-Kuang Liu; Yahong Jin; Neville I. Marzwell

doi:10.1117/1.601910

1 March 1998 Advanced ultra-high-capacity optical random access memory and pattern recognition techniques

Hua-Kuang Liu, Yahong Jin, Neville I. Marzwell

Author Affiliations +

Optical Engineering, Vol. 37, Issue 3, (March 1998). https://doi.org/10.1117/1.601910

The architecture and mathematical analysis of a new multichannel multistage holographic optical random access memory (HORAM) architecture and an experimental demonstration of its feasibility are presented. The new HORAM can be used for ultra-high-capacity storage and high-speed random retrieval of information. A two-stage HORAM, using a Dammann grating and a multifocus holographic lens, clearly shows the capability of storing 2000 holographic matched filters. The functional requirements for key optical elements including laser sources, spatial light modulators, and electro-optical shutters for making a desired practical and compact HORAM are described. The potential extension of the HORAM system for multiple-channel optical pattern recognition, classification, and image restoration are described.

Citation Download Citation

Hua-Kuang Liu, Yahong Jin, and Neville I. Marzwell "Advanced ultra-high-capacity optical random access memory and pattern recognition techniques," Optical Engineering 37(3), (1 March 1998). https://doi.org/10.1117/1.601910

Published: 1 March 1998

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

;

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE