Bibliography database of Radiophysics Laboratory (RpLab) -- Query Results

2006
	Brown ER, Lee AWM, Navi BS, Bjarnason JE. Characterization of a planar self-complementary square-spiral antenna in the THz region. Microwave Opt Technol Lett. 2006;48(3):524–9. Abstract: This paper describes a compact, self-complementary square-spiral antenna on a GaAs substrate with a broadside high-directivity (~9 dB) frequency-independent pattern when coupled through a silicon hyperhemisphere. The driving-point resistance undulates between ~00 and 300Ω from 200 GHz to 1 THzâ€”much higher than the 72Ω value from Booker's modified formula, but quite beneficial for coupling to high-impedance broadband devices Keywords: optical antennas; square spiral antenna; self complementary THz; photomixing; lens; method of moments; geometric optics; physical optics Permanent link \| Save citation: RTF PDF LaTeX \| Export record: BibTeX Endnote ISI RIS Atom XML MODS XML ODF XML Word XML
2001
	Codreanu I, Boreman GD. Infrared microstrip dipole antennas. Microw Opt Technol Lett. 2001;29(6):381–3. Abstract: Abstract 10.1002/mop.1184.abs We report on the successful use of niobium microbolometers coupled to microstrip dipole antennas for the detection of midinfrared radiation. Measurements of the detector response versus antenna length performed at the 10.6 μm wavelength allowed us to identify the first three current-wave resonances along the antenna arms. The detector response was also measured as a function of the radiation wavelength in the 911 μm spectral domain. Excellent agreement between the experimental results and finite-difference time-domain (FDTD) predictions was obtained. Keywords: optical antennas Permanent link \| Save citation: RTF PDF LaTeX \| Export record: BibTeX Endnote ISI RIS Atom XML MODS XML ODF XML Word XML

Abstract: This paper describes a compact, self-complementary square-spiral antenna on a GaAs substrate with a broadside high-directivity (~9 dB) frequency-independent pattern when coupled through a silicon hyperhemisphere. The driving-point resistance undulates between ~00 and 300Ω from 200 GHz to 1 THzâ€”much higher than the 72Ω value from Booker's modified formula, but quite beneficial for coupling to high-impedance broadband devices

Abstract: Abstract 10.1002/mop.1184.abs We report on the successful use of niobium microbolometers coupled to microstrip dipole antennas for the detection of midinfrared radiation. Measurements of the detector response versus antenna length performed at the 10.6 μm wavelength allowed us to identify the first three current-wave resonances along the antenna arms. The detector response was also measured as a function of the radiation wavelength in the 911 μm spectral domain. Excellent agreement between the experimental results and finite-difference time-domain (FDTD) predictions was obtained.

Keywords: optical antennas

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2006

2001