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Journals >
Infrared and Laser Engineering >
Volume 49 >
Issue 6 >
Page 20190566 > Article
Infrared and Laser Engineering
Vol. 49, Issue 6, 20190566 (2020)
Terahertz vertical transition structure based on coupling cavity
Wang Xudong
1、2、*
, Lv Xin
1
, and Cheng Gong
1
Author Affiliations
1
[in Chinese]
2
[in Chinese]
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DOI:
10.3788/irla20190566
Cite this Article
Wang Xudong, Lv Xin, Cheng Gong. Terahertz vertical transition structure based on coupling cavity[J]. Infrared and Laser Engineering, 2020, 49(6): 20190566
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Fig. 1.
General vertical transition structure
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Fig. 2.
Designed structure of the vertical transition
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Fig. 3.
Electric-field distribution of mode-transition unit
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Fig. 4.
Optimization of vertical transition unit
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Fig. 5.
Photograph of the assembled structure and the fabricated mode-transition unit
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Fig. 6.
Proposed fin-line structure
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Fig. 7.
S
parameters of mode-transition unit
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Parameters
Value/mm
Parameters
Value/mm
a
4
W
e
1
b
4
W
l
2
c
2.1
W
s
0.4
d
0.102
D
h
0.1
W
t
2
L
h
0.15
L
t
3.2
L
b
2
W
b
1
Table 1.
Parameters of vertical transition unit
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Reference
Return loss/dB
Band width/GHz
Insertion loss/dB
[
9
]
−15
55-65
−1
[
10
]
−10
59-62
−1.79
This work
−10
105-115
−1.3
Table 2.
Performance comparisons
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References (10)
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Wang Xudong, Lv Xin, Cheng Gong. Terahertz vertical transition structure based on coupling cavity[J]. Infrared and Laser Engineering, 2020, 49(6): 20190566
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Paper Information
Category: Laser & laser optics
Received: Feb. 6, 2020
Accepted: Mar. 10, 2020
Published Online: --
The Author Email: Xudong Wang (wangxudong@bit.edu.cn)
DOI:
10.3788/irla20190566
Recommended Topics
laser devices and laser physics
Lasers and Laser Optics
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laser manufacturing
Instrumentation, Measurement and Metrology
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