Shubham Rathore

10 Questions 28 Answers 0 Followers

Questions related from Shubham Rathore

What is the working principle of milk analyzer Laktan 900?

Hello Everyone Laktan 900 seems to be a very promising device for quick milk analysis in field. Its portable and cost effective. https://www.youtube.com/watch?v=392WRZ90fBI Can anyone explain...

05 May 2018 7,488 7 View

What are some applications where only a visible spectrophotometer can be used, and colorimeter cannot?

Our group have developed a pocket visible range spectrophotometer (www.testright.in) and are looking for application areas where we can put it to use. Most of the conventiontial 'color reading'...

03 March 2018 2,054 19 View

Can NIR (600-1100nm) calibration be transferred from one spectrometer device to another? How (if yes), Why (if no)?

Hello everyone I have developed a compact spectrometer (photo attached) and working towards developing it into a milk analyzer. I will be using 600-1100nm, based on literature, where researchers...

02 February 2017 5,190 8 View

What is the algorithm for auto-optimization of integration time in a spectrometer?

Dear All I have developed a CCD spectrometer. But I can't understand how to add auto-optimization feature for best integration time. I aim is to find a integration time which is neither too high...

10 October 2016 5,567 2 View

What should be there in an awesome spectroscopy software? Take spectrometer as reward?

Hi everyone I left my job last year to work full time on the development of budget spectrometer and have finally developed it. Now I'm looking towards developing a really awesome software which...

09 September 2016 5,481 22 View

Would you buy a cheap (350$) good resolution Vis-NIR spectrometer?

Hi! I left my job last year and started working on portable low cost spectrometers, SpectroSmart (patent pending) and have come up with some excellent results. Please refer to the attached images...

08 August 2016 7,930 4 View

How to neutralize/remove the source's spectra to obtain absorption spectra?

We have made a CCD detector based spectrometer but are facing a problem while taking the absorption spectra. We are using tungsten lamp as source and stored its spectrum as Yref. Next we placed a...

08 August 2016 5,097 10 View

How to take care of the effects due to temperature variations in a opto-electronic device?

We are working on a spectrometer, which uses many LEDs as light source and CCD as detector. We are worried that temperature variations might make things tough for us. For eg. spectrum shift in...

06 June 2016 4,142 1 View

Why diffraction gratings are still so expensive, where as CD/DVDs come at throwaway prices, though both are based on the same technology?

I wonder why diffraction gratings, though could be manufactured similar to CD/DVDs, are still so expensive. There are lots of hologram stickers in the market which are also based on a similar...

06 June 2016 1,824 1 View

What are overtones or combination frequencies of absorption?

Milk fat has fundamental vibrations in the mid-infrared range (around 5um) but has noticeable overtones upto 700nm and has combination frequency around 2.4um. What do we exactly mean by overtones...

04 April 2016 8,227 4 View