Zobrazeno 1 - 10
of 28
pro vyhledávání: '"Theodore W. Hilgeman"'
Autor:
Nicholas W. Caira, Augusto Gutierrez-Aitken, Stéphane Larouche, Theodore W. Hilgeman, Vinh Nguyen, E. Kaneshiro, Donald DiMarzio, Jimmy Hester, Vesna Radisic
Publikováno v:
Journal of Applied Physics. 121:164902
In this work, we report on a reconfigurable V-band metamaterial fabricated using an InP heterojunction bipolar transistor production process. As designed and fabricated, the implementation uses complementary split ring resonators (cSRRs) and Schottky
Autor:
Walter G. Egan, Theodore W. Hilgeman
Publikováno v:
Applied optics. 20(5)
Autor:
Theodore W. Hilgeman, Walter G. Egan
Publikováno v:
Applied optics. 19(22)
Publikováno v:
2008 IEEE Long Island Systems, Applications and Technology Conference.
Energy consumption is becoming a more important issue in the United States. High oil prices, volatile political climates, and greater environmental concerns, and awareness to the costs of energy usage have led to an emphasis on conservation. One area
Autor:
Brandon Arritt, R. Barclay, Theodore W. Hilgeman, Christopher Holt, Shobita Satyapal, Jonathan L. Kuhn, D. Amato, Vanessa Harvey, Richard K. Barry, Lawrence Lesyna, Nils J. Fonneland, Gary L. Brown, Matthew A. Greenhouse
Publikováno v:
SPIE Proceedings.
We discuss work in progress on a near-infrared tunable bandpass filter for the Goddard baseline wide field camera concept of the Next Generation Space Telescope (NGST) Integrated Science Instrument Module (ISIM). This filter, the Demonstration Unit f
Autor:
S. Mielke, John D. Hulsmann, Richard G. Madonna, J. Michael, Nils J. Fonneland, Theodore W. Hilgeman, L. Lesyna, William C. Van Nostrand, Lewis L. Smith, Robert E. Ryan
Publikováno v:
SPIE Proceedings.
This paper describes the theory of design, operation, and testing of a tunable MWIR Fabry-Perot interferometer operating in low orders. This device is called the agile bandpass tunable filter (ABTF) due to the fact that the spectral bandwidth can be
Autor:
Lewis L. Smith, Theodore W. Hilgeman
Publikováno v:
SPIE Proceedings.
Advanced Plume Analysis Software for gas measurementTheodore Hilgeman and Lewis SmithNorthrop Grumman CorporationAdvanced Technology and Development CenterBethpage, NY 11714ABSTRACTPassive remote determination of the presence and quantity of gaseous
Autor:
Richard G. Madonna, L. Lesyna, Theodore W. Hilgeman, Nils J. Fonneland, William C. Van Nostrand
Publikováno v:
SPIE Proceedings.
The agile bandpass tunable filter (ABTF) is a new instrument with variable resolution and center wavelength that allows MWIR and LWIR infrared cameras to recognize spectral images that are characteristic of specific materials, including gases. Benefi
Autor:
Walter G. Egan, Theodore W. Hilgeman
Publikováno v:
Icarus. 30:413-421
Optical complex indices of refraction for the iron-sulfur semiconductors troilite and pyrrhotite have been measured between 0.3 and 1.1 μm, and at 1.5 and 3.0 cm in the microwave region. The behavior of the absorptive and refractive components of th
Publikováno v:
Icarus. 41:166-174
A multilayer radiative transfer, high-spectral-resolution infrared model of the lower atmosphere of Mars has been constructed to assess the effect of scattering on line profiles. The model takes into accout aerosol scattering and absorption and inclu