James A Harrington

Title: The Innovative Journey of James A. Harrington in Chemical Polishing

Introduction

James A. Harrington, an accomplished inventor based in Huntsville, Alabama, has made significant contributions to the field of chemical polishing. With a focus on enhancing the quality of crystal surfaces, his innovative approach has valuable implications for high-frequency laser applications.

Latest Patents

Harrington holds a notable patent for a "Chemical polish for BaF.sub.2 and CaF.sub.2." This patent discloses a method and the chemical solutions, specifically a blend of H.sub.2 SO.sub.4 and CH.sub.3 COOH, utilized for producing high-quality crystal surfaces on Calcium Fluoride (CaF.sub.2) and Barium Fluoride (BaF.sub.2). The patented process includes a chemical polishing cycle that follows a multistage mechanical polishing cycle, which culminates in enhancing the properties of these crystals for various applications. The chemically polished surfaces exhibit fewer irregularities, significantly reducing the amount of surface scattering of HF/DF laser radiation and ensuring a more predictable output.

Career Highlights

James A. Harrington is associated with the United States of America as represented by the Secretary of the Army. His work has been pivotal in advancing the quality of optical materials, particularly those used in the study of very low loss materials. The high-quality surfaces achieved through his chemical polishing method are especially valuable in research areas involving optical absorption, where scattered radiation may lead to undesirable heat production.

Collaborations

Throughout his career, Harrington has collaborated with notable professionals, including Don A. Gregory. Their combined expertise has likely contributed to refining the methods and applications of chemical polishing, further illustrating the teamwork essential in the field of scientific innovation.

Conclusion

James A. Harrington's contributions to the area of chemical polishing have established him as a significant figure in the field of material science and optical applications. His patent not only highlights his inventive capabilities but also underscores the importance of high-quality crystal surfaces in advancing technological applications in lasers and optics. Harrington's ongoing work continues to impact various domains, including research and development initiatives within the military and related sectors.