Which nonlinear optical processes lead to multiple wavelength conversion in single period PPLN?

I have performed an experiment to frequency mix 974 nm LD laser and a C-band ASE laser source in a single period (10.2 um) MgO:PPLN. I however noticed five peaks at 487, 536, 598, 756, and 816 nm...

08 September 2018 9,767 8 View

How do I measure the splitting ratio of proton exchanged Y-junction waveguide?

02 March 2017 8,219 6 View

Can someone help me plot the attached Fourier series using Matlab code?

I need a Matlab code to plot a rectangular wave function with a constant period and normalized amplitude. Please see the attached exponential Fourier series. Thank you in advance.

01 February 2017 9,888 4 View

How does magnetic field influence poling of lithium niobate/tantalate?

10 November 2016 4,389 0 View

How can i model negative corona discharge for a wire-to-plane geometry?

Dear all, I would like to study negative corona discharge for poling non linear optical crystals e.g Lithium Tantalate. I have however attempted to use plasma model example in COMSOL but i don't...

08 September 2016 5,266 3 View

How do I correct the error in the matlab code?

I have a simple matlab code for plotting a Y-junction but it can't run. Any one with matlab knowledge can please advice me on the attached code.

31 December 2015 1,160 10 View

How do I design a Y-junction using comsol multiphysics or matlab?

Y-branch waveguide structures are fundamental elements of integrated optics devices such as power or optical splitters, power or optical combiners, integrated-optic gyroscopes, Mach-Zehnder...

31 December 2015 7,947 5 View

Which is the best simulation setup using VPI TransmissionMaker before field testing?

I am investigating the influence of different modulation formats on gain flatness of raman assisted fibre optical parametric amplifiers.

31 December 2014 7,236 2 View

wind and solar energy

can someone help me on how to use available wind velocity data to design a specification of a wind turbine generator

02 March 2010 6,956 4 View

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10?

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10? Since, the growth curve from day 2 to 10 won't be like the "Logistic curve" it might not follow logistic...

03 March 2021 1,401 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 techniques can I use to determine the miscibility of polymer blends?

The term miscibility refers to the single-phase state in thermodynamics. I do not mean the compatibility of different components. To determine the miscibility I know several techniques such as...

03 March 2021 4,107 4 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

How to repeat an operation on an atom selection for multiple times in PyMol?

Hi, I am trying to construct a multi-layer fibril structure from a single layer in PyMol by translating the layer along the fibril axis. For now, I am able to use the Translate command in PyMol...

02 March 2021 4,569 4 View

Shall I skip the measurement model in SmartPLS?

Hello everyone, I had run a mediation model in SmartPLS using questionnaires that were already validated among my statistical population. A professor who edited my paper -though she is not...

01 March 2021 3,052 3 View

What is involved in morphological changes of SEM images of a substance?

In the sem analysis of CaCO3 nanaoparticles, the morphology images showed spherical shaped particles but the proposed morphology for these type of nanoparticles is trigonal. I prepared the...

01 March 2021 1,960 4 View

Joint behaviour in Abaqus is not captured well?

I am working on roof joint and trying to simulate the behaviour in Abaqus. I am successful in running the model but the final graph does not follow the experimental curve in the negative direction...

01 March 2021 6,661 3 View

How to define tie constraint between rigid body and another part in dynamic explicit model of Abaqus?

Hi dear researchers I connected a rigid body into the part of my structure by tie constraint and then I added displacement to rigid body, in static general step every thing is fine and these two...

28 February 2021 3,442 2 View