Bragg grating on optical waveguide?

Which software is better to design a bragg gratings on a waveguide depending on computational time and ease of design? COMSOL or RSoft Beam Prop? and Why? Can anyone suggest?

03 April 2018 1,029 0 View

What does Evaluation recommendation mean?

After submitting an article in a journal. I noticed following steps. 1) No editor assigned. 2) Evaluation recommendation. (After 6 days of manuscript submission) I didnt see any "under...

31 December 2017 9,057 14 View

How can I calculate an effective refractive index by using comsol?

I would like to calculate a sensitivity of a Si waveguide by using a formula= change in effective refractive index/change in sample index. I modeled my design in COMSOL in wave optics (ewfd) and...

09 October 2017 959 10 View

Fabry Perot filter?

I am designing a Fabry Perot filter with two alternating materials such as High refractive index material and air as a second material(low refractive index). Everything goes fine when I use the...

07 August 2017 8,793 4 View

How can I remove Ti layer diffused with Cs?

During a Cs diffusion experiment, I deposited a Ti layer which acts as a hard mask on RbTiOPO4 substrate, but now properties of Ti have changed and Cs is also diffused into it. And it's not...

10 November 2013 8,018 6 View

How does one improve gold adhesion?

I want to improve the adhesion of gold on RTP (substrates), as I want to etch them finally to have electrodes. That Is why I was thinking to deposit Ti or Al layer between substrate and gold. I...

10 November 2013 5,982 15 View

Inductive heating in COMSOL

Hello all, I am simulating a 3D model of a copper coil carrying a current placed in a vacuum. Due to current flow, there is an inductive heating in the coil. To cool it, I am using a water...

01 January 1970 6,565 3 View

error in running a model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

error in modelling model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

MGL tools

20 June 2021 0 0 View

flexibility of polymers chain

effect of double bond on the flexibility of polymers

07 April 2021 0 0 View

i have some problem with chtMultiRegionSimpleFoam

--> FOAM FATAL ERROR: Maximum number of iterations exceeded From function Foam::scalar Foam::species::thermo::T(Foam::scalar, Foam::scalar, Foam::scalar, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar) const) const [with Thermo = Foam::hConstThermo >; Type = Foam::sensibleEnthalpy; Foam::scalar = double; Foam::species::thermo = Foam::species::thermo >, Foam::sensibleEnthalpy>] in file /home/ubuntu/OpenFOAM/OpenFOAM-4.1/src/thermophysicalModels/specie/lnInclude/thermoI.H at line 66. FOAM aborting #0 Foam::error::printStack(Foam::Ostream&) at ??:? #1 Foam::error::abort() at ??:? #2 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::calculate() at ??:? #3 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::correct() at ??:? #4 ? at ??:? #5 __libc_start_main in "/lib/x86_64-linux-gnu/libc.so.6" #6 ? at ??:?

24 March 2021 0 0 View

Formulation of polymer color flakes

I am writing to request some information for making polymer color flakes. I would appreciate the help.

17 March 2021 0 0 View

How can the use of Jolly Phonics improves the quality of reading, speaking and writing in rural disadvantaged communities in Papua New Guinea?

Jolly Phonics reading program is an effective way to teach early reading to young learners. How can lectures at the university prepare early childhood student teachers to teach Jolly Phonics to...

03 March 2021 3,731 3 View

After a reference from Int J Body Compos Res, can any body help?

Hi, I am after the reference below, my library says it cannot obtain a copy either locally or internationally, any help appreciated! Chris Wang ZM, Heshka S, Wielopolski L, Pi-Sunyer FX, Pierson...

03 March 2021 6,193 1 View

What is the production process of CaFe ferroalloys?

I looking for ferro calcium production process

03 March 2021 1,755 4 View

Resistor definition in Piezoelectric bimorph with ANSYS workbench

Hello, good day! I am trying to simulate similar bimorph piezoelectric harvester with below commands. However, the output power doesn't change with resistor value. Please help to find the reason. ET,10,CIRCU94,0 !SET UP RESISTOR R,1,100000 !RESISTANCE VALUE TYPE,10 !SET ELEMENT TYPE E,1,2 !CREATE RESISTOR BETWEEN NODES 1 AND 2 Thanks in advance Regards,

02 March 2021 0 0 View