How to increase transmittance of plasmonic resonator in COMSOL?

Hi, i am modeling my unit cell structure (plasmonic rectangular slit) in COMSOL with silver metal as top layer and ITO as substrate. My transmittance, |S21|^2 is too small , ~ 6%. I have...

03 April 2016 8,583 5 View

How is the phase delay in metasurface calculated in COMSOL?

what is the expression for calculating phase delay caused by a resonator in COMSOL. I have tried using the expression arg(emw.S21) for transmission mode but i seem not to get the phase i see in...

02 March 2016 3,241 2 View

Left / right circular polarized light in a metasurface using COMSOL?

Hi there, i am working on a transmission mode in metasurface. How do i set the equation for the incident field to have circular polarization? Also how do i plot the electric field for the...

02 March 2016 2,444 5 View

Encoding phase information on a metasurface?

Hello, i would like to know the procedure/ method or any relevant information for obtaining and transferring phase information of a color image onto a metasurface. I have read some literature on...

02 March 2016 5,585 5 View

Can COMSOL and HFSS be used interchangeably to simulate metamaterial and produce identical results?

11 December 2015 2,885 4 View

What is the fundamental information required from an light field image to determine or estimate its depth information?

10 November 2015 9,747 6 View

What are the current scientific challenges associated with invisibility cloaking?

I am looking forward to developing a metamaterial invisibility cloak in the microwave region and I want to know whether there are unresolved challenges associated with this Transformation Optics...

09 October 2015 9,962 4 View

Can anyone assist me with materials on electromagnetic radiation power splitters/combiners metamaterials?

I need to develop a metamaterial that can split and combine electromagnetic power with zero phase variation, kindly asssit me with any material, advice concerning this area.

08 September 2015 215 3 View

What are the acceptable power losses in an electromagnetic power splitter - through a metamaterial medium?

08 September 2015 9,134 4 View

what is the procedure for finding the right dielectric material and metal when intending to obtain near zero permeability metamaterial (MNZ)?

Differernt papers show the use of different materials for simulations to obtain zero index metamaterial, is there some kind of a guide in choosing the dielectrics and metals?

03 April 2015 6,666 1 View

Can we classify HV and LV lines based on line length?

I have dataset which shows the length of power lines. I need to classify the lines based on the line length. Is there a rule to classify the High voltage (HV) and low voltage (LV) lines based on...

03 March 2021 4,116 4 View

I need to image mesoporous silica nanoparticles that are in ~100 nm size and do high resolution TEM to look at mesopores. what grids should I use?

Need to image mesoporous silica nanoparticles using the TEM. Also, need high resolution TEM images to see the mesoporous structure. Kindly suggest what kind of grids to use. Thanks, Shatadru

02 March 2021 1,787 2 View

Is there any tutorial for comsol general projections?

Hi, im trying to make a projection in a 3d comsol model. I have a non uniforme chanel and my intention is to get the average tempreture in the y-z cross section and se the average tempreture...

02 March 2021 4,624 4 View

Is it possible to do piezoelectric coupling in ANSYS-APDL or COMSOL between tapered substrate and rectangular piezoelectric patch?

How to do Piezoelectric coupling in ANSYS-APDL or COMSOL between tapered substrate and rectangular piezoelectric patch? Piezoelectric coupling between the rectangular substrate and rectangular...

02 March 2021 9,833 3 View

Which cell line should we use to perform biological dosimetry experiments?

We are preparing some experiments based on irradiating cells under different conditions in order to evaluate the effects in terms of DNA damage, genetic expression, etc. As our project is...

01 March 2021 3,355 3 View

Is it possible for two human neuronal cell lines to have different gene sequence for the same protein?

I am looking at the ATP1A2 (Sodium/Potassium ATPase alpha subunit 2) in two human neuronal cell lines. Expression levels of this protein seems to be almost equal when detected by one antibody....

01 March 2021 3,607 3 View

Is CD44 degraded in lysosome together with hyaluronan after CD44 mediated endocytosis of hyaluronic acid?

Also when RHAMM binds hyaluronic acid, they get internalized, will RHAMM also be degraded? Or both CD44 and RHAMM will be transferred back to the cell membrane? Asking for breast cancer cell line...

01 March 2021 8,169 2 View

Do you need the CMV enhancer before the CMV promotor for a proper function of CMV on the gene that follows?

I'm a student and I have to produce a cell line with a knockin for the NRF2 gene with GFP. I have to put a promotor in front of the GFP because the gene will be too far away from the promotor of...

28 February 2021 7,127 2 View

How can i resolve the "final solutuin is not converged" error in Comsol for my heat transfer simulation??

I have been trying to simulate heat transfer problem in Comsol 5.5 for long time but it always throw an error stating: "Failed to find a solution. Maximum number of Newton iterations...

28 February 2021 8,626 3 View

How to use measure capacitance change in COMSOL time dependent study ?

I want to measure change of capacitance due to relative displacement between two parallel plates in COMSOL. Distance between two plates changes with time. So I'm using a time dependent study but...

26 February 2021 8,567 3 View