How to mathematically calculate the penetration depth of skew rays in a optical fiber?

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How the imaginary part of the refractive index or the extinction co-efficient changes with the glycerol or ethanol concentration?

How the imaginary part of the refractive index or the extinction co-efficient glycerol or ethanol changes with the glycerol or ethanol concentration in an aqueous solution? Is there any...

09 October 2017 5,255 0 View

How to calculate the spot size of zeroth order Bessel-Gauss beam inside a fiber or waveguide?

When we couple a Gaussian beam into a Single mode fiber, then the spot size of the Gaussian beam (W) is a fiber dependent parameter which is expressed as: W= a.*(0.65+1.619*V^-1.5+2.879*V^-6)...

08 September 2016 8,037 4 View

Is their any special type of Single mode fiber(SMF) to guide a Bessel beam?

As conventional Single mode fiber guides the Gaussian beam or fundamental mode, But is there any special type of single mode fiber/ higher order fiber to guide a Bessel beam to a finite...

08 September 2016 9,276 3 View

How to guide a Bessel beam or higher order mode through a single mode fiber?

A Gaussian beam is guided through a Single mode fiber. But if we propagate a Bessel beam through a Single mode fiber, then will it guide the Bessel beam like Gaussian beam? that means will the...

08 September 2016 7,480 6 View

What will be the expression for electric field of Gaussian beam in cylindrical co -ordinate??

What will be the expression for electric field of Gaussian beam in cylindrical co -ordinate that means in terms of radial and azimuthal co-ordinate. Is Gaussian beam depends on azimuthal coiordinate?

01 February 2016 1,929 0 View

How can I find the propagation constant of different modes in a multimode fiber?

How to numerically find the values of propagation constant of different modes inside a step index multimode fiber using eigen value equation??

11 December 2015 7,576 3 View

Geotechnical Engineering (Proceedings of the ICE) time review?

Hello everyone, I recently submitted an article to Geotechnical Engineering (Proceedings of the ICE), and the current status has been listed as "EiC Pre-assessment: Ready" for the past 20 days. I...

10 August 2024 6,493 1 View

How does grain and grain boundary affect the ceramic when studying its dielectric properties?

I am not able to get good literature and the physics behind how first these grains and grain boundaries arises out of no where when we make a pellet to study its dielectric properties and then how...

07 August 2024 5,177 3 View

Why is the molecule's orientation with an electric field affect polarizability?

Why is the molecule's orientation with an electric field affect polarizability? Electrons are diffuse enough to be independent with respect to orientation and effect of electric field on...

03 August 2024 7,843 1 View

Can't spin-orbit coupling(SOC) be included in optical properties calculation in CASTEP?

I am currently using CASTEP version 2020. When I want to run optical properties calculations with spin-orbit coupling(SOC), I encounter the following error in a pop-up window before the job gets...

02 August 2024 2,890 0 View

What should a Mechanical Engineering PhD scholar focus on during their PhD to enhance their chances of securing a postdoctoral position?

29 July 2024 7,714 4 View

May I know the exact Quartile of the journal- Advanced Engineering Materials (Wiley) for material science category?

In some data sources it has been grouped in Q1 and some shows it is Q2.

29 July 2024 4,227 2 View

Ternary in Electrical Engineering?

Dear Research Community I would like to invite Elctrical Engineering specialists to solve problems related to Ternary Algebra or tripple sets I have an algorithm that places in relation three...

28 July 2024 5,771 2 View

What topic or subject does Production Engineering need to address more?

Contemporary scores or innovations in scientific approaches. Hybrid methodologies, emerging themes and cross-cutting issues?

27 July 2024 648 3 View

Can a shoot-through event of a tri-state digital buffer cause momentary Hi-Z state?

// interested in the difference between floating events and short circuits.

22 July 2024 6,565 0 View

Is there a good macro photography kit for on-site metallurgical investigation?

I am looking to purchase a photography kit for onsite metallurgical investigations, such as capturing photos of worn areas, hot tears, cold tears etc. Could anyone suggest me a good...

22 July 2024 3,490 2 View