Novel variable optical attenuator using hollow waveguide

Takuya Miura; Fumio Koyama; Akihiro Matsutani

doi:10.1109/omems.2002.1031511

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Novel variable optical attenuator using hollow waveguide

Takuya Miura Fumio Koyama Akihiro Matsutani

Year: 2002 Journal: IEEE/LEOS International Conference on Optical MEMS Pages: 201-202

DOI: 10.1109/omems.2002.1031511

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Abstract

We demonstrate a novel variable attenuator composed of a three dimensional (3D) hollow optical waveguide with a variable air gap. The change of the gap results in variation of lateral optical confinement, which gives us variable attenuation of 14 dB.

Keywords:

Optical attenuator Attenuation Attenuator (electronics) Waveguide Variable (mathematics) Optics Materials science Optoelectronics Optical fiber Physics Multi-mode optical fiber Mathematics

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Photonic and Optical Devices

Physical Sciences → Engineering → Electrical and Electronic Engineering

Semiconductor Lasers and Optical Devices

Physical Sciences → Engineering → Electrical and Electronic Engineering

Advanced Fiber Laser Technologies

Physical Sciences → Physics and Astronomy → Atomic and Molecular Physics, and Optics

Novel variable optical attenuator using hollow waveguide

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