Surendra Gupta

3 Questions 2 Answers 0 Followers

Questions related from Surendra Gupta

How to couple an external light into FTIR for radiation measurements?

I have an FTIR (model: Nicolet 6700 from Thermo Scientific) and need to couple an external light coming from a heat source into it to measure the radiation spectrum. May I please know how can I do...

03 December 2019 9,489 0 View

How to characterize the reflection spectrum of small structure samples?

I have fabricated a sample size of 40 micron x 40 micron using Electron beam lithography. I need to characterize the sample to obtain reflection and transmission spectrum of the fabricated...

02 August 2018 385 2 View

How can I select the specifications of a lens and an optical fiber to couple light into a fiber?

I have a divergent beam coming from a sample in the NIR region. I need to converge the light into a fiber and take the spectrum. A rough sketch of the set up is attached here. Could some please...

06 January 2016 4,926 3 View