Bin Zhang

5 Questions 1 Answers 0 Followers

Questions related from Bin Zhang

How to test the Total Radiated Power of an CPW-fed antenna at 140-220GHz band?

Hi everyone, I am working on a project about Terahertz antenna. I fabricated an antenna with CPW-feeding structure, with size of 200 um. The s11 parameters can be obtained by GSG proble+VNA+Thz...

26 February 2020 4,295 3 View

Where could I conduct the lithography for CVD graphene(3-5 layers) ?

Hi all, I am working on a graphene-based antenna fabrication. However, no instruments are available for this purpose in our university. I am wondering if someone who has experience in the...

06 September 2019 1,056 2 View

How to determine the feeding edge in MoM or CMA calculation ?

Hi all, I am working on Antenna modelling by using the Theory of Characteristic Modes (or Method of Moment) in Matlab. The feeding part makes me confused. How do we find what the RWG edge...

17 November 2018 9,176 0 View

Is there a limit (or max value )of chemical potential/energy level of single layer graphene (practically)?

Hi all, As we all know that graphene complex conductivity can be tuned by changing the chemical potential or Fermi energy level. My concern is that if there is a max value of chemical potential...

21 September 2017 6,947 2 View

How to eliminate the second resonance of S11 of a patch antenna?

Hi all, I am working on a graphene patch antenna simulation. It works well at expected frequency. However I found there is a higher frequency resonance like fig below. How could I eliminate this...

06 September 2017 304 9 View