Gary L Tuttle is a notable inventor based in Ames, IA (US). He has made significant contributions to the field of materials science and antenna technology. With a total of 4 patents, Tuttle's work focuses on advanced structures that utilize negative index materials and photonic band gap crystals.

Latest Patents

One of Tuttle's latest patents is titled "Structures with negative index of refraction." This invention provides simplified negative index materials (NIMs) using wire-pair structures, 4-gap single ring split-ring resonators (SRR), fishnet structures, and overleaf capacitor SRR. In the wire-pair arrangement, a pair of short parallel wires and continuous wires are utilized. The 4-gap single-ring SRR features SRRs centered on the faces of a cubic unit cell combined with a continuous wire type resonator. This combination creates a frequency band where the metamaterial is transparent with simultaneously negative permittivity and permeability. The fishnet structure employs a metallic mesh on both sides of a dielectric spacer. The overleaf capacitor SRR modifies the gap capacities to small plate capacitors by overlapping sections of the SRR ring at the gaps, separated by a thin dielectric film. This technique is particularly effective for the 4-gap single-ring structures.

Another significant patent is for "Highly directional receiver and source antennas using photonic band gap crystals." This invention presents a directional antenna constructed with photonic band gap structures. The antenna is formed with two photonic band gap structures oriented back to back, separated by a distance to create a resonant cavity. An antenna element is placed within this resonant cavity, and its resonant frequency can be tuned by adjusting the distance between the photonic band gap structures. The resonant cavity can be designed to be either asymmetrical or symmetrical.

Career Highlights

Gary L Tuttle is affiliated with the Iowa State University Research Foundation Inc., where he continues to innovate and contribute to research in his field. His work has garnered attention for its potential applications in various technological advancements.

Collaborations

Tuttle has collaborated with notable colleagues such as Kai-Ming Ho and Ekmel Ozbay, further enhancing the impact of his research through teamwork and shared expertise.

Conclusion

Gary L Tuttle's innovative work in negative index materials and photonic band

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