What is the origin of absorption in the materials? during deposition of optical thin films?

Hello every one, I feel the absorption in the coating films in physical vapor deposition refers to various following factors 1) in proper maintenance of the coating chamber 2) variation in the...

07 August 2019 6,254 4 View

What is parallel momentum conservation in the thin films grown by glad technique?

please explain how the parallel momentum is important in glancing angle deposition techniques for developing columnar growth process

07 August 2019 2,196 1 View

Coating peeling off, How the Stress were generated between the substrate and coated multi layer stack ?

Hi friends, Recently we have deposited a multilayer stack using materials like TiO2, HfO2 combination and TiO2, Y2O3 combination. both combination of stacks were deposited by electron beam...

07 August 2016 3,374 2 View

Does able to do coating on Aluminium substrate as Aluminium material ?

07 August 2016 5,622 2 View

Can any one Explain Single Oscillator Model?

31 December 2015 5,266 0 View

What is the concept of effective medium theory for modelling the galncing angle deposition thinfilm filters?

GLAD modelling

04 May 2015 1,625 1 View

How can I model a graded design of optical filter?

I would like to model and design a graded design (multilayer) for the electron beam evaporation technique. I would appreciate if anyone can help me modeling this problem.

03 April 2015 7,714 2 View

Can any explain how to make a rugate broad band design in visible region?

Thin film optics

01 February 2015 3,284 1 View

How the side lobes or harmonics or ripples formation can be Exhaustively been removed in the thin film filters by maintaining overall uniformity?

generation of ripples or harmonics in the interface of the coating.

31 December 2014 1,681 3 View

How to compare two groups with only two measurements?

Hiiiii everyone! I have an enquiry on statistical analysis. I was looking for many forum and it's still cannot solve my problem. I want to compare means of two groups of data but only with two...

03 March 2021 8,796 3 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

How to increase a model accuracy ?

dear community, my model is based feature extraction from non stationary signals using discrete Wavelet Transform and then using statistical features then machine learning classifiers in order to...

03 March 2021 6,994 5 View

1. What is the impact of having different scales in a survey? and how can we solve this problem before and after data collection (Literature)?

1. What is the impact of having different scales in a survey? and how can we solve this problem before and after data collection (Literature-based reflection)? Thank you for your time and for...

03 March 2021 2,870 3 View

What degree of missing data in a particular case/participant results in Expectation-Maximisation no longer working?

I'm dealing with a mediation model and am using the PROCESS module in SPSS. Due to SPSS and PROCESS being limited in the imputation methods - being unable to handle multiple imputation - the other...

02 March 2021 4,362 1 View

Can NFL theorem be valid in infinite search space in ML?

NFL theorem is valid for algorithms training in fixed training set. However, the general characteristic of algorithms in expanded or open dataset has not been proved yet. Could you show your...

01 March 2021 1,189 3 View

Does anyone know how to plot my station to a section plot on Ocean Data View (ODV)?

I made a vertical section plot with WOA .nc file on ODV, and now I want to plot my stations (csv. file) in it. Does anyone know how to import my points to the section? They are two different...

01 March 2021 3,610 1 View

How to address this issue in the analysis of Real-Time PCR results?

To dear Researchers, I was analyzing a series of concentration for estimation of Real-Time PCR efficiency. The concentration was 1:10. I used MS-excel to evaluate Slope. The result of slope was -8...

01 March 2021 8,683 4 View

How to arrange coordinates and extract climate dataset out of MPI-ESM-MR netcdf files?

Have a nice day everyone, I'm stuck in extracting datasets out of MPI-ESM-MR netcdf files because the latitude ranges from -3*10^6 to 3*10^6 and longitude ranges -5,9*10^6 to 5,9*10^6. Plus, the...

28 February 2021 912 3 View

Is there any Machine Learning/AI algorithm that lets you predict with incomplete features without missing value imputation process?

For instance, the model is trained with A,B,C,D,E features to predict F target. Then, I want to make prediction on a new data, but with only A,C,D,E is known without doing missing value imputation...

28 February 2021 1,556 6 View