Company Filing History:
7 out of 8,684 
1 out of 2,546 
2 out of 832,812 Years Active: 1976-1986
Title: **Inventor Thomas A. Barr, Jr.: A Pioneer in Infrared Laser Technology**
Introduction
Thomas A. Barr, Jr., based in Huntsville, Alabama, is a distinguished inventor with a remarkable portfolio of 10 patents. His contributions significantly advance the field of laser technology, particularly in the area of infrared lasers. Barr's innovative approach has led to breakthroughs that have potential applications in various scientific and industrial fields.
Latest Patents
Thomas A. Barr, Jr. holds several cutting-edge patents, two of which showcase his prowess in mid-infrared and cryogenic laser technology. The first is a **mid-infrared laser in molecular hydrogen**, which utilizes a high voltage pulse discharge within a long, low loss cavity. This innovative laser system produces output pulses across multiple wavelengths in the 3 μm band, specifically at 3.71 μm, 3.77 μm, and 3.84 μm, with pulse durations ranging from less than 1 microsecond to over 6 microseconds.
Another significant patent is his **cryogenic infrared laser in deuterium**. This laser operates by exciting cooled deuterium with a high voltage pulse discharge, resulting in laser action that generates output pulses in the 4 μm band. The wavelengths produced include 4.52 μm, 4.60 μm, and 4.71 μm, demonstrating Barr’s ability to harness cryogenic technology for advanced laser applications.
Career Highlights
Throughout his career, Thomas A. Barr, Jr. has collaborated with notable organizations such as the United States Army and has made significant strides in laser research and development. His dedication to innovation is evident through his numerous patents and ongoing efforts to advance laser technology.
Collaborations
During his tenure, Barr has worked alongside esteemed colleagues including John J. Ehrlich and William E. McCracken. Their combined expertise has likely contributed to the successful development and implementation of advanced technologies in the field of lasers.
Conclusion
Thomas A. Barr, Jr. exemplifies the spirit of innovation through his substantial contributions to laser technology. His latest patents not only reflect technical ingenuity but also highlight the importance of collaboration in driving scientific advancement. As technology continues to progress, Barr's work will undoubtedly leave a lasting impact on the industry.