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Terahertz wave polarization beam splitter of crossed F-shaped structure

A polarization beam splitter and terahertz technology, applied in the field of terahertz beam splitters, can solve the problems of low polarization beam splitting ratio, difficult manufacture, complex structure, etc., and achieve low cost, high beam splitting ratio, and small size Effect

Inactive Publication Date: 2014-08-27
CHINA JILIANG UNIV
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Problems solved by technology

[0004] The purpose of the present invention is to provide a terahertz wave polarization beam splitter with a crossed F-shaped structure with a high beam splitting rate in order to overcome the disadvantages of relatively low polarization beam splitting ratio, complex structure, difficulty in actual manufacture, and high cost in the prior art

Method used

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  • Terahertz wave polarization beam splitter of crossed F-shaped structure
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  • Terahertz wave polarization beam splitter of crossed F-shaped structure

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Embodiment 1

[0015] The length of the substrate is 2200 μm, the width is 700 μm, and the thickness is 100 μm. The irregular waveguide is composed of a rectangular waveguide and a right-angled triangle waveguide. The length of the rectangular waveguide is 180 μm, the width is 100 μm, and the thickness is 50 μm. The length of the bottom side of the right-angled triangle waveguide is 80 μm, and the height is 100 μm. The waveguides of the symmetrically connected waveguides have a length of 1600 μm, a width of 60 μm, and a thickness of 50 μm. The length of the asymmetrically connected coupling waveguide is 1300 μm, the width is 60 μm, and the thickness is 50 μm. The crossed F-shaped coupling coupling waveguide is composed of positive F-shaped waveguides and inverted F-shaped waveguides of equal size. The width of the F-shaped waveguide is 15 μm, the total height of the waveguide is 80 μm, and the total width of the waveguide is 60 μm. The transmission curves of TE wave and TM wave at the first...

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Abstract

The invention discloses a terahertz wave polarization beam splitter with a crossed F-shaped structure, which comprises a signal input end, a first signal output end, a second signal output end, a substrate, an uplink transmission waveguide, a downlink transmission waveguide, and a coupling coupling waveguide; The transmission waveguide and the downlink transmission waveguide are respectively placed on the upper and lower parts of the substrate. The uplink transmission waveguide includes an irregular waveguide and a symmetrical connection waveguide. The two ends of the symmetrical connection waveguide are respectively connected to two irregular waveguides. An irregular waveguide connected with an asymmetric connection coupling waveguide placed between an uplink transmission waveguide and a downlink transmission waveguide. The signal is input from the signal input end, and the beam splitting waves are respectively output from the first signal output end and the second signal output end. The terahertz wave polarization beam splitter with a crossed F-shaped structure of the present invention has the advantages of simple structure, small size, low cost, and convenient manufacture, and meets the requirements of applications in the field of terahertz wave communication and the like.

Description

technical field [0001] The invention relates to a terahertz wave beam splitter, in particular to a terahertz wave polarization beam splitter with a crossed F-shaped structure. Background technique [0002] Terahertz (THz for short) refers to electromagnetic waves with a frequency in the range of 0.1THz to 10THz. Because of its special position in the electromagnetic spectrum, terahertz has many superior characteristics and good development prospects. In recent years, researchers from all over the world have paid great attention to terahertz technology, which has made great progress in the generation, detection and application of terahertz waves, forming a new interdisciplinary field - terahertz science technology. [0003] The terahertz wave communication system is inseparable from the performance guarantee of various terahertz wave functional devices. Although research on terahertz wave functional devices has been gradually carried out at home and abroad, terahertz wave f...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G02B6/126
Inventor 李九生
Owner CHINA JILIANG UNIV
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