Presentation 2008-03-07
Radiation Characteristics from Tunable Narrow Air Core Hollow Waveguides
Akihiro IMAMURA, Fumio KOYAMA,
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Abstract(in English) We present the new function of tunable hollow waveguides with a variable air core. We exhibit a possibility of wide-angle beam steering from a tunable hollow waveguide and efficient tilt-coupling in a narrow air core hollow waveguide. Wide angle beam steering of over 40 degrees was demonstrated by calculation and preliminary experiment. In addition, a possibility of an efficient optical coupling with a narrow air core is discussed by the tilt-coupling scheme. The input and output coupling losses are 2.5dB and 1dB for 1μm air core, respectively. Wide tunability in sub-wavelength air cores enables us to realize new functions of tunable hollow waveguides.
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Keyword(in English) tunable hollow waveguide / beam steering / tilt-coupling
Paper # OFT2007-62,OPE2007-181
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Committee OFT
Conference Date 2008/2/29(1days)
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Registration To Optical Fiber Technology (OFT)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Radiation Characteristics from Tunable Narrow Air Core Hollow Waveguides
Sub Title (in English)
Keyword(1) tunable hollow waveguide
Keyword(2) beam steering
Keyword(3) tilt-coupling
1st Author's Name Akihiro IMAMURA
1st Author's Affiliation Microsystem Research Center, P & I Lab., Tokyo Institute of Technology()
2nd Author's Name Fumio KOYAMA
2nd Author's Affiliation Microsystem Research Center, P & I Lab., Tokyo Institute of Technology
Date 2008-03-07
Paper # OFT2007-62,OPE2007-181
Volume (vol) vol.107
Number (no) 513
Page pp.pp.-
#Pages 4
Date of Issue