Location History:
- Chevy Chase, MD (US) (2011)
- Bethesda, MD (US) (2017)
Company Filing History:
Years Active: 2011-2017
**Title: Innovations of Grace D. Metcalfe in Terahertz Technology**
Introduction
Grace D. Metcalfe is an innovative inventor based in Bethesda, MD, recognized for her groundbreaking work in terahertz technology. With a total of two patents to her name, Metcalfe has made significant strides in the field of electromagnetic composite materials and terahertz radiation generation.
Latest Patents
Her latest patents include:
1. **Electromagnetic Composite-Based Reflecting Terahertz Waveplate**
This invention involves a reflection-mode waveplate designed for operation in the terahertz region. It effectively shifts the phase between two perpendicular polarization components of a light wave. The design comprises a ground plane and an array of polygonal unit cells. Within these units, a polymer is strategically positioned between the ground plane and the exterior of the polygonal patches, enhancing the functionality of the device.
2. **Method and Apparatus for Enhanced Terahertz Radiation from High Stacking Fault Density**
This patent describes a method and device that generate terahertz radiation using a polar crystal material layer. This layer exhibits a high density of stacking faults that are oriented perpendicular to the polar axis, forming boundaries where internal electric polarization terminates. The boundaries lead to charge accumulation and internal electric fields oriented along the polar axis. Accompanied by a pulsed radiation source, the device creates photogenerated carriers that accelerate in these fields, resulting in the efficient generation of terahertz radiation.
Career Highlights
Grace D. Metcalfe is affiliated with the United States Army, contributing her expertise to advance military applications of terahertz technology. Her innovative approaches have not only expanded the boundaries of research in this domain but have also positioned her as a key figure in the development of practical applications for terahertz devices.
Collaborations
In her pursuit of innovation, Metcalfe has collaborated with esteemed colleagues, including Michael Wraback and Paul H. Shen. Together, they have worked on various projects aimed at harnessing the potential of terahertz technology for diverse applications, showcasing the power of teamwork in advancing scientific achievements.
Conclusion
With her impressive portfolio of patents and significant contributions to terahertz technology, Grace D. Metcalfe embodies the spirit of innovation and excellence. Her work not only advances scientific understanding but also lays the groundwork for future pioneering developments in the field. Through her efforts, she inspires the next generation of inventors and researchers to explore the vast possibilities within the realm of technology.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.