Vemuri Sri Ranga Sai Praveen Kumar

12 Questions 5 Answers 0 Followers

Questions related from Vemuri Sri Ranga Sai Praveen Kumar

Request for guidance in developing Re-optimization tool in excel for thin film coatings?

Dear all my friends and professors I want to develop an optimization tool in excel software for my research work in optical thin film coatings for single-layer analysis in sputtering or electron...

29 July 2022 3,593 1 View

How to Avoid the cluster formation and cluster materials falling on the glass substrate?

Dear all members, I am facing an issue in the production of thin-film coatings by large area sputtering coating chambers. The problem is that during the production coating runs and in the...

03 April 2021 4,394 1 View

How to solve the HAZE problem in Low emissivity coatings ?

Dear friends, I am facing a problem with an issue of milky Haze in the coatings developed for aesthetic applications. All the layers were deposited by magnetron sputtering having thickness in...

09 November 2020 2,997 3 View

How to design double layer silver low emissive coating?

Dear friends of the research community, I am having an issue with double-layer low emissive coating fabrication. the coating of silver layer is not been adhere to the glass surface in this...

05 August 2020 7,845 3 View

How and what kind of coating designs are used in architectural glass?

Hi friends, research scholar, professors, Can anyone help in the design of coatings for architectural glass which is used for buildings?

23 July 2020 1,296 3 View

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...

11 August 2019 8,190 3 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

11 August 2019 6,144 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...

03 August 2016 1,613 2 View

Why peak shift and amplitude of the optical filter decreases, after cementing both hexagonal beam splitters ?

can any one explain what is the reason behind the peak amplitude decreases after cementing the both hexagonal prisms?

21 March 2016 9,136 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.

15 January 2015 2,595 3 View

Interested in the simulation and modelling of thin film filters for anti reflection and high reflection coatings?

Dear sir, I am Vemuri srs Praveen Kumar. as the simulation studies for the solar cells may have antireflection coatings. how these antireflection coatings were simulated and which software...

01 January 1970 187 8 View

How and in which way we can Design a Novel Development of High transmission Low Emissivity Coatings?

Dear all members, I am focusing on some developments in Aesthetic large area coatings for applications in fields of solar control, architectural, automotive, and window applications. In general,...

01 January 1970 6,408 4 View