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2008 33rd International Conference on Infrared, Millimeter and Terahertz Waves

Date 15-19 Sept. 2008

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  • [Front cover]

    Publication Year: 2008, Page(s): c1
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  • [Copyright notice]

    Publication Year: 2008, Page(s): i
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  • IRMMW-THz 2009

    Publication Year: 2008, Page(s):i - 130
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  • Table of contents

    Publication Year: 2008, Page(s): 3
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  • Preface

    Publication Year: 2008, Page(s):4 - 5
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  • 2008 conference overview

    Publication Year: 2008, Page(s):6 - 7
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  • Conference organizers

    Publication Year: 2008, Page(s):8 - 10
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  • A short history of the conference series

    Publication Year: 2008, Page(s): 11
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  • Past and future conferences

    Publication Year: 2008, Page(s): 12
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  • Information for presenters and session chairs

    Publication Year: 2008, Page(s):13 - 15
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  • Guest program

    Publication Year: 2008, Page(s):16 - 19
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  • Pasadena ARTS bus route

    Publication Year: 2008, Page(s): 20
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  • Program at a glance

    Publication Year: 2008, Page(s):21 - 25
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  • Conference program

    Publication Year: 2008, Page(s):26 - 104
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  • Index of authors

    Publication Year: 2008, Page(s):105 - 123
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  • A room temperature NbN bolometer for terahertz detection

    Publication Year: 2008, Page(s):1 - 2
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (440 KB) | HTML iconHTML

    Using RF magnetron sputtering and electronic beam lithography, a NbN microbolometer integrated with a planar logarithm periodic antenna is fabricated on a SiO2/Si (100) substrate for detecting signals from 0.05 THz to 0.4 THz. The best attainable responsivity of the device is about 100 volts per watt at 300 K. View full abstract»

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  • Theoretical investigation into Cherenkov radiation in an anisotropic double-negative medium

    Publication Year: 2008, Page(s):1 - 2
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (412 KB) | HTML iconHTML

    Cherenkov radiation for particles traveling in an unbounded anisotropic double-negative medium is theoretically investigated to obtain the analytical expressions for the Cherenkov radiation condition, Cherenkov radiation angle and inversed Cherenkov radiation. The total radiated energy (spectral density) per unit length of path is derived by using rigorous field theory. As a specific example, the ... View full abstract»

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  • THz spectrum of KDP crystal

    Publication Year: 2008, Page(s):1 - 2
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (419 KB) | HTML iconHTML

    THz time domain spectrum of KH2PO4 crystal has been measured in the range from 0.2 THz to 1.6 THz. Ultraviolet-visible-infrared spectra have been measured in the range from 190 nm to 1600 nm at the room temperature. The energy band gap Eg of KH2PO4 crystal is 5.90 eV. There is a wide band of the phonon absorption in the KDP crystal. The frequency omega... View full abstract»

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  • THz spectrum of Cr3+:LiSrAlF6 crystal

    Publication Year: 2008, Page(s):1 - 2
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (673 KB) | HTML iconHTML

    Absorption coefficient epsiv(nu) and dielectric coefficient epsiv(nu) of crystal Cr3+:LiSrAlF6 were obtained by THz time domain spectroscopy (THz-TDS) in the range of 0.2-1.2THz. The infrared transmission spectrum R(kappa) was measured from 6.7 cm-1(0.2 THz) to 4000 cm-1. There is a band of the phonon absorption in the crystal. The frequency omega... View full abstract»

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  • THz spectrum and ionic polarizability of PbB4O7 crystal

    Publication Year: 2008, Page(s):1 - 2
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (427 KB) | HTML iconHTML

    The terahertz refractive index n(nu) of lead tetraborate (PbB4O7) crystal decreases due to vanish of the ionic polarizabilities in sequence of the Pb2+, O2- and B3+ ions when the frequency increasing. The ionic polarizabilities are calculated by the Clausius-Mossotti relation, alphaPb is 0.428times10-24cm3 and alpha... View full abstract»

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  • Design and fabrication of a 100 GHz channel-drop filter

    Publication Year: 2008, Page(s):1 - 2
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (3265 KB) | HTML iconHTML

    We have designed and are fabricating a novel passive mm-wave spectrometer based on a photonic band gap (PBG) channel-drop filter (CDF). There is a need for a compact, wide-band, versatile and configurable mm-wave spectrometer for applications in mm-wave communications, radio astronomy, and radar receivers for remote sensing and nonproliferation. The CDF spectrometer was designed to operate in the ... View full abstract»

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  • Terahertz imaging for analysis of historic paintings and manuscripts

    Publication Year: 2008, Page(s):1 - 3
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1298 KB) | HTML iconHTML

    Through the application of terahertz spectroscopy and imaging to the analysis of art, we have developed a spectral database of art materials containing more than 200 spectra of various pigments and binders. With this database, a red ink used in a thirteenth-century manuscript was identified; the results were verified by X-ray fluorescence elements mapping. Terahertz transmission spectral component... View full abstract»

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  • Electron dynamics in the process of mode switching in gyrotrons

    Publication Year: 2008, Page(s):1 - 2
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1183 KB) | HTML iconHTML

    The present paper is devoted to the analysis of electron interaction process in the course of gyrotron switching from one mode to another. This analysis is based on the use of the Hamiltonian formalism that allows one to construct Poincare plots for different instants of switching time. The study is carried out for a 170 GHz MW-class gyrotron for ITER. View full abstract»

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  • Photonic crystals for on-off switching of sub-terahertz electromagnetic waves

    Publication Year: 2008, Page(s):1 - 2
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (229 KB) | HTML iconHTML

    We present a sub-terahertz wave on-off switch based on a two-dimensional photonic crystal (PC). The PC consists of a triangular hole array in high density polyethylene (HDPE). The holes are infiltrated with the nematic liquid crystal 5CB. The transmission of sub-terahertz electromagnetic waves is controlled by an electric field-induced rotation of the nematic axis of the 5CB molecules. The measure... View full abstract»

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  • RF cavity simulation of 0.3THz 400W gyrotron oscillator

    Publication Year: 2008, Page(s):1 - 2
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (156 KB) | HTML iconHTML

    The design for a 0.3 THz 400 W CW gyro-monotron is done and TE06 operating mode is chosen in the paper. The RF cavity mode field distribution and the diffraction Q value is optimized using HFSS software, so the starting current and operating magnetic field is chosen to restrain the mode competition. The simulation results including the peak output power 400 W and the electron efficiency... View full abstract»

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