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Micromachines
Volume 16
Issue 5
10.3390/mi16050585
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Article
Peer-Review Record

A TM01-TE11 Circular Waveguide Mode Converter on the Basis of Dielectric Filling

Micromachines 2025, 16(5), 585; https://doi.org/10.3390/mi16050585
by Zibin Weng *, Ziming Lv, Liupeng Zan, Sihan Xiao and Chen Liang
Reviewer 1: Anonymous
Reviewer 2: Anonymous
Reviewer 3: Anonymous
Micromachines 2025, 16(5), 585; https://doi.org/10.3390/mi16050585
Submission received: 24 March 2025 / Revised: 29 April 2025 / Accepted: 15 May 2025 / Published: 16 May 2025
(This article belongs to the Section E：Engineering and Technology)

Round 1

Reviewer 1 Report

Comments and Suggestions for Authors

In this work, the authors propose a dielectric-filled circular waveguide TM01-TE11 mode converter with a broad operational bandwidth and high conversion efficiency.

Comments

  1. How does the variation in dielectric plate thickness influence the propagation constant and mode conversion efficiency in the circular waveguide, and what simulation strategy is used in HFSS to determine the optimal thickness?
  2. What is the impact of different dielectric media distributions inside the mode converter on the mode conversion efficiency, as observed in the HFSS simulation results shown in Figure 3?

Author Response

Please see the attachment.

Author Response File: Author Response.pdf

Reviewer 2 Report

Comments and Suggestions for Authors

A dielectric-filled circular waveguide TM01 - TE11 mode converter is proposed. The characterization is in agreement with simulation. There are some point to be improved:

  • The design approach should be better illustrated till the identification of the internal final geometry. The logical flow showing how it has been refined should be reported step by step
  • If possible a circuital model of the main parts of the converter could be provided
  • The novelty should be better evidenced

Author Response

Please see the attachment.

Author Response File: Author Response.pdf

Reviewer 3 Report

Comments and Suggestions for Authors 1, Could the author provide a table for the variables in figure 1? for example ,what is t, what is value of c, a, L, h, L2 and so on? So that readers could be easier to understand your paper. And your paper could also be more informative.  For example, I am a little confuse about the line 143, what does the value of 2.07 mm stand for? 2, In line 94-96, are there some mistakes in the expression "and the electric field direction in the two semicircular waveguides is exactly opposite when at point C" . Obviously, at point B, electric filed are opposite, while at point C, they are the same. Please modify the expression mistake here.  3, In lines 174-176, could the author please also describe figure (b) to make the structure of the paragraph better?  4, Please improve the style of your English. Please ask a native English speaker to modify the paper.  5, The paper is short, maybe the article type "communication" could be better. " Comments on the Quality of English Language

Please improve the style of your English. Please ask a native English speaker to modify the paper. 

Author Response

Please see the attachment.

Author Response File: Author Response.pdf

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