In a holly-core fiber, should the effective index of the fundamental mode be higher or lower than the core refractive index(n=1)?

Hi, I was wondering in hollow-core fibres should the effective index of the fundamental mode be higher or less than the core's refractive index (in this case, n = 1 because the core is filled...

17 January 2021 2,220 3 View

Is there a way to measure energy dissipation in Matlab/Simulink?

I am trying to measure the energy in (Joules) in a Surge Arrester MOV. I am simulating a Hybrid DC circuit breaker.

17 April 2020 259 3 View

How can I trip an ideal switch when a short circuit fault occurs?

I am simulating a Mechanical DC circuit breaker. I used a step to put on and off. I wanted to use a "compare to constant" block so that when the fault current goes over the threshold the ideal...

24 March 2020 1,709 3 View

DC circuit breakers?

Hi I am trying to simulate DC circuits; MCB, SSCB and HCB but i cannot find a model i can use. Does anyone know a journal or a simulink model i can use. Any help will be really appreciated. Thanks

17 March 2020 7,696 3 View

Can a research paper be sent to two journals at the same time, just to save time in case one of the two rejects the paper?

Most of the academic journals take so long just to review the research paper, and most of the times they reject the paper. I was wondering if any researcher can send his paper to two journals,...

18 July 2019 4,444 9 View

Can any body Suggest me a set up that I can build it up to study the surface roughness of transparent polymeric fibres?

I need to study the surface of nylon-6 blank fibres with a thickness of nearly 40 micrometre, I work in optics lab with many optical components such as beam splitters, lenses, mirrors ... etc, can...

18 March 2019 236 3 View

Active site of the protein: how much can it be changed before losing function?

How much spatial change can amino acids of protein's active site withstand before being unable to perform protein's function? We can, for example, compare X-ray or NMR structure of protein with...

16 November 2016 4,954 3 View

What may be the result/product when curcumin react with aniline or any other amine compound?

Could you please answer for what may be the result/product when curcumin react with aniline or any other amine compound, pls suggest some references if possible. Some of researches are found as...

07 May 2016 286 4 View

Can anyone suggest to me any antimicrobial activities of manganese oxide nanoparticles?

10 March 2016 3,709 3 View

Polyaniline composite with TMA, DMA and MA?

Polyaniline-based composite on GCE used for trimethyl, dimethyl and methyl amines through CV. In the case of TMA and MA the peak height was increased with increasing concentration, whereas DMA...

09 January 2014 9,090 3 View

Method to measure printed layer thickness on paper substrate ?

I want to measure thickness of screen printed graphene ink on paper substrate. Can anyone suggest any accurate and feasible method to measure it. I tried profilometry (stylus & optical) but...

11 January 2021 6,179 6 View

How to determine sign of thin film stress from buckling?

I've deposited a thin film of both sides of a wafer and I'm trying to determine the stress using a profilometer wafer bow measurement and Stoney's formula. At first the wafer was flat. After...

19 December 2020 8,744 4 View

It is possible to scan with an profilometer a round material with 10 mm thickness and 63,5 mm diameter?

The material is a composite with short unoriented fibers based on PMMA, ABS as a matrix, and fiberglass as reinforcement.

28 October 2020 2,890 2 View

Impacts of Thickness of Hole transport layer on JSC and Voc?

As we know hole transport rates are affected by various factors like band alignment, pinholes in the layer and other defects, also hole injection properties vary from material to material. Also...

26 March 2020 1,149 4 View

How to Estimate RSm(Mean width of the profile) for periodic profile obtained using turning and vertical milling?

As a part of my research work. i have obtained some machined surface using vertical milling and turning process. I want to check whether the predicted roughness and obtained roughness(Ra) are...

11 March 2020 5,718 3 View

Is there any opensource software for measurement of areal texture parameters on output files of optical profilometers?

I have scanned some of my experimental surfaces using Zeta and Alicona optical profilometers. Is there any opensource software to perform measurement of areal texture parameters on the output...

12 December 2019 1,190 12 View

Is there any opensource software for measurement of areal texture parameters on output files of optical profilometers?

I have scanned some of my experimental surfaces using Zeta and Alicona optical profilometers. Is there any opensource software to perform measurement of areal texture parameters on the output...

11 December 2019 3,090 6 View

How to open surface roughness file?

I have surface roughness file in .OPDx format obtained from optical profilometer performed by someone else. Now I want open it. Which software can be used to open such file format. Is there any...

23 September 2018 244 3 View

How to open surface roughness file?

I have surface roughness file in .OPDx format obtained from optical profilometer performed by someone else. Now I want open it. Which software can be used to open such file format. Is there any...

08 September 2018 8,970 2 View

How can one extract xyz data from .DAT files?

I am looking to quantify the surface roughness parameters of some of rock grain samples I recently analysed with an optical profilometer. The information that was obtained from the equipment was...

08 September 2018 7,339 4 View