Terahertz behavior of optical components and common materials

Andrew J. Gatesman; Andriy Danylov; Thomas M. Goyette; Jason C. Dickinson; Robert H. Giles; William Goodhue; Jerry Waldman; William E. Nixon; Weber Hoen

doi:10.1117/12.668384

19 May 2006 Terahertz behavior of optical components and common materials

Andrew J. Gatesman, Andriy Danylov, Thomas M. Goyette, Jason C. Dickinson, Robert H. Giles, William Goodhue, Jerry Waldman, William E. Nixon, Weber Hoen

Author Affiliations +

Proceedings Volume 6212, Terahertz for Military and Security Applications IV; 62120E (2006) https://doi.org/10.1117/12.668384
Event: Defense and Security Symposium, 2006, Orlando (Kissimmee), Florida, United States

Abstract

As short range, ground based, surveillance systems operating at terahertz frequencies continue to evolve, increasing attention is being directed towards the behavior of dielectric materials at terahertz frequencies as well as the behavior of optical components used to control terahertz radiation. This work provides an overview of several terahertz optical components such as frequency selective filters, laser output couplers, artificial dielectrics, and electromagnetic absorbers. In addition, a database was established that contains terahertz properties of common materials that have been largely unexplored in this region of the spectrum. The database consists of transmittance and reflectance spectra of a variety of materials measured using Fourier transform infrared spectroscopy techniques from 175 GHz - 2 THz. In addition, ultra-stable, CO₂ optically pumped, far-infrared gas lasers were used to collect fixed-frequency transmittance data at 326 GHz, 584 GHz, and 1.04 THz. A Gunn oscillator was used for measurements at 94 GHz.

Citation Download Citation

Andrew J. Gatesman, Andriy Danylov, Thomas M. Goyette, Jason C. Dickinson, Robert H. Giles, William Goodhue, Jerry Waldman, William E. Nixon, and Weber Hoen "Terahertz behavior of optical components and common materials", Proc. SPIE 6212, Terahertz for Military and Security Applications IV, 62120E (19 May 2006); https://doi.org/10.1117/12.668384

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