Location History:
- Ontario, CA (1999 - 2000)
- Ottawa, CA (1984 - 2003)
- Manotick, CA (1999 - 2006)
Company Filing History:
10 out of 851 
2 out of 79 
2 out of 536 Years Active: 1984-2006
Title: Robert I. MacDonald: Pioneering Innovations in Optical Technologies
Introduction
Robert I. MacDonald, based in Manotick, Canada, is a prolific inventor known for his significant contributions to the field of optical technologies. With an impressive portfolio of 22 patents, MacDonald has established a reputation for innovation and excellence in optical engineering.
Latest Patents
Among his latest inventions, the "Wavelength Blocker" stands out as a groundbreaking device. This technology includes an input port for launching an input beam of light, paired with a first dispersing means to disperse the beam according to wavelength. An array of independently addressable elements is designed to selectively block portions of the dispersed beam while minimally affecting unblocked channels. Additionally, the invention features a second dispersing means that produces a multiplexed beam of light for output transmission.
Another notable patent is focused on "Methods and Structures for the Control of Optical Waveguide Devices by Stress." This invention includes a polarization state changer and phase shifter that employs a waveguiding region capable of guiding optical signals. The phase shifting is achieved through stress induced by MEMS (Micro-Electro-Mechanical Systems) means formed directly on the substrate. This innovative approach offers actuation via electrostatic force, mechanical force, or tiltable flaps, enhancing the functionality of optical waveguide devices.
Career Highlights
Robert I. MacDonald has made impactful contributions while working for various renowned companies, notably JDS Uniphase Corporation. His work in these high-tech environments has enabled him to develop cutting-edge optical technologies that push the boundaries of what is possible in the field.
Collaborations
Throughout his career, MacDonald has collaborated with talented individuals like Thomas Ducellier and Mohiuddin Mala. These partnerships have significantly enriched his work, allowing for the exchange of ideas and fostering deeper innovation within the optical community.
Conclusion
Robert I. MacDonald exemplifies the spirit of innovation through his extensive work in optical technologies. His 22 patents reflect his dedication to advancing the field, making him a significant figure among modern inventors. As technologies continue to evolve, MacDonald's contributions are sure to play a crucial role in shaping the future of optical engineering.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.