Location History:
- Walworth, NY (US) (2012)
- Fairport, NY (US) (2015)
Company Filing History:
Years Active: 2012-2025
Title: Innovations of Keith J Donohue in Calcium Fluoride Optics
Introduction
Keith J Donohue is a notable inventor based in Fairport, NY, specializing in advancements in optics technology. With two patents to his name, Donohue has made significant contributions to the field, especially in improving the durability and performance of calcium fluoride optics used in high-energy applications.
Latest Patents
His most recent invention pertains to "Calcium fluoride optics with improved laser durability." This groundbreaking technology is designed for the transmission of electromagnetic radiation below 250 nanometers (nm). The innovation focuses on utilizing calcium fluoride as the primary component, combined with magnesium dopants in a controlled range of 13 to 20 parts per million (ppm). Notably, the optics demonstrate a remarkable transmission loss ratio of less than 0.3 after exposure to over 2.8 MRads of γ-radiation. Moreover, these doped crystals exhibit exceptional longevity, having undergone accelerated lifetime testing (ALDT) to sustain at least 1 billion pulses.
Career Highlights
Donohue is currently associated with Corning Incorporated, a company renowned for its innovations in materials science and optics technology. His role there has enabled him to collaborate on advanced research and product development, particularly in developing durable optics for various applications.
Collaborations
Throughout his career, Donohue has worked alongside talented colleagues such as James R Cole and Michael Lucien Genier, contributing to a team that drives innovation in optical technologies at Corning. These collaborations have facilitated the exchange of ideas and expertise, enhancing the quality and reach of their inventions.
Conclusion
Keith J Donohue continues to influence the field of optics with his innovative approaches to enhancing laser durability through calcium fluoride crystal optics. His patents reflect a commitment to pushing the boundaries of technology and improving the functionality of optical components in various demanding applications.