Company Filing History:
Years Active: 2007-2017
Title: The Innovations of Alexander Jacob Birman
Introduction
Alexander Jacob Birman is an accomplished inventor based in Oakland, CA (US). He has made significant contributions to the field of optical technology, holding a total of 3 patents. His work focuses on developing advanced tunable optical filters that enhance the performance of optical networks.
Latest Patents
Birman's latest patents include innovative designs for tunable optical filters. One of his notable inventions is a method for shaping the bandpass spectrum of a tunable filter for optical network applications. This invention utilizes a diffraction grating and a rotating mirror, incorporating a phase screen to shape the selected wavelength's passband spectrum in various ways. The output spectrum can be made flatter within the passband while maintaining good isolation of adjacent channels or wavelengths.
Another significant patent is for a tunable optical filter with adjustable bandwidth. This design employs a pair of diffraction gratings and a rotating mirror to achieve a broad filter passband. By adjusting a small angle between the two diffraction gratings, the wavelength bandwidth of the tunable optical filter's passband can be arbitrarily set. This two-grating system results in a narrower angular dispersion coefficient, leading to a broader filter passband.
Career Highlights
Throughout his career, Birman has worked with notable companies, including Dicon Fiberoptics, Inc. His experience in the industry has allowed him to refine his inventions and contribute to advancements in optical technology.
Collaborations
Birman has collaborated with talented individuals such as Ho-Shang Lee and Ying-Yu Su. These partnerships have fostered innovation and creativity in his projects.
Conclusion
Alexander Jacob Birman is a prominent inventor whose work in tunable optical filters has made a significant impact on optical network applications. His innovative patents and collaborations highlight his dedication to advancing technology in this field.
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