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Piano-shaped terahertz wave polarizing beam splitter

A polarization beam splitter and polarization beam splitting technology, applied in the direction of instruments, optical components, optics, etc., can solve the problems of high cost, low beam splitting rate, complex structure, etc., and achieve small size, high beam splitting rate, and small volume Effect

Inactive Publication Date: 2015-08-05
CHINA JILIANG UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, most of the existing terahertz wave polarizing beam splitters have many shortcomings such as complex structure, low beam splitting rate, and high cost. Therefore, it is of great significance to study terahertz wave polarizing beam splitters with simple structure, high beam splitting rate, and low cost.

Method used

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  • Piano-shaped terahertz wave polarizing beam splitter
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  • Piano-shaped terahertz wave polarizing beam splitter

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Embodiment 1

[0014] The material of the first square plate is silicon nitride, the side length of the first square plate is 100 μm, and the height is 30 μm. The material of the second square plate is benzocyclobutene, the side length of the second square plate is 100 μm, and the height is 10 μm. The material of the third square plate is silicon nitride, the side length of the third square plate is 100 μm, and the height is 30 μm. The material of the first right-angled trapezoidal plate is silicon nitride, the length of the upper base of the first right-angled trapezoidal plate is 30 μm, the length of the lower base is 100 μm, the length of the right-angled side is 200 μm, and the height is 30 μm. The material of the second right-angled trapezoidal plate is benzocyclobutene, the length of the upper base of the second right-angled trapezoidal plate is 30 μm, the length of the lower base is 100 μm, the length of the right-angled side is 200 μm, and the height is 10 μm. The length of the rect...

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Abstract

The invention discloses a keyboard-shaped terahertz wave polarization beam splitter which comprises a signal input end, a first signal output end, a second signal output end, a first square panel, a second square panel, a third square panel, a first right-trapezoidal panel, a second right-trapezoidal panel, nine rectangular slots, a first rectangular panel, a second rectangular panel and 5X3 cylindrical slots. One end of the third square panel, the first rectangular panel and one side of the second rectangular panel are aligned with one another and are sequentially connected with one another, the 5X3 cylindrical slots are formed in the second rectangular panel, the nine identical rectangular slots are formed in the first right-trapezoidal panel, terahertz waves are horizontally inputted from the signal input end, TM (transverse magnetic) waves are outputted from the first signal output end, and TE (transverse electric) waves are outputted from the second signal output end, so that the polarization beam splitting performance can be implemented. The keyboard-shaped terahertz wave polarization beam splitter has the advantages of simple structure, high beam splitting rate, small size, low cost, easiness in integration and the like.

Description

technical field [0001] The present invention relates to a beam splitter, in particular to a keyboard-shaped terahertz wave polarization beam splitter. Background technique [0002] In recent years, the terahertz wave between the mature millimeter wave and infrared light on the electromagnetic spectrum is undoubtedly a new research field. The frequency of terahertz wave is 0.1~10THz, and the wavelength is 30μm~3000μm. For a long time, due to the lack of effective terahertz wave generation and detection methods, compared with traditional microwave technology and optical technology, people have little understanding of the nature of electromagnetic radiation in this band, so that this band has become the terahertz wave in the electromagnetic spectrum. void. With the breakthrough of terahertz radiation source and detection technology, the unique and superior characteristics of terahertz have been discovered and have shown great application prospects in material science, gas de...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G02B27/28
Inventor 李九生
Owner CHINA JILIANG UNIV
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