Douglas N DeFoe

Title: Douglas N DeFoe: Innovator in Optical Technology

Introduction

Douglas N DeFoe is a notable inventor based in Escondido, CA (US). He has made significant contributions to the field of optical technology, particularly with his innovative designs that enhance image projection and visibility. His work is characterized by a focus on efficiency and effectiveness in optical devices.

Latest Patents

Douglas N DeFoe holds a patent for an optical collimating device employing cholesteric liquid crystal. This device utilizes an optical concave mirror and cholesteric liquid crystal element to collimate and project image light into the line-of-sight of an observer in an efficient manner. The image light is generated with components within a predetermined bandwidth and rotary sense. The design ensures that the image light is reflected by the concave mirror, expanding and collimating it before projecting onto the cholesteric liquid crystal element. This element reflects the components of the image light within the specified bandwidth and proper rotary sense of circular polarization, effectively returning the image to the observer.

Career Highlights

Douglas N DeFoe is associated with Kaiser Electro-optics, Inc., where he applies his expertise in optical technologies. His work at the company has allowed him to develop and refine his innovative optical devices, contributing to advancements in the field.

Collaborations

One of his notable collaborators is Richard G Trissel. Their partnership has likely fostered the development of new ideas and technologies in optical engineering.

Conclusion

Douglas N DeFoe's contributions to optical technology through his innovative patent demonstrate his commitment to enhancing image projection systems. His work continues to influence the field and showcases the importance of innovation in technology.