John H Goldsmith

Title: John H Goldsmith: Innovator in Tunable Wavelength Selection Filters

Introduction

John H Goldsmith is a notable inventor based in Dayton, OH (US). He has made significant contributions to the field of optical engineering, particularly in the development of tunable wavelength selection filters. His innovative work has implications for various applications in telecommunications and spectroscopy.

Latest Patents

Goldsmith holds a patent for a "Multi-order, tunable Fabry-Perot etalon filter with wavelength down-selector." This invention describes a system, device, and method for an electrically tunable wavelength selection filter. The filter comprises a wavelength selection filter portion with alternating thin films of two dielectric materials, along with a thin film capacitor that displaces one pair of these films. Additionally, it features an order sorting filter portion that is electrically isolated from the wavelength selection filter. This design allows for the selective transmission of narrow spectral lines across a desired frequency region by independently controlling the capacitor charging voltage and the voltage across the order sorting filter.

Career Highlights

Goldsmith is associated with the United States of America as represented by the Secretary of the Air Force. His work has been instrumental in advancing technologies that require precise wavelength selection and manipulation.

Collaborations

Goldsmith has collaborated with notable colleagues, including Jarrett H Vella and Mohammad I Vakil. Their combined expertise has contributed to the successful development of innovative optical technologies.

Conclusion

John H Goldsmith's contributions to the field of tunable wavelength selection filters highlight his role as a key innovator in optical engineering. His patent reflects a significant advancement in the ability to control light at specific wavelengths, showcasing the importance of his work in modern technology.