Is it possible to theoretically predict the magnitude of random errors in semiconductor ring laser gyros?
I want to detect relative movement between fingers with wearable sensors. Which could be an appropriate technology for this?
31 December 2018 2,619 3 View
I am looking for a book to learn simulation of mostly semiconductor optoelectronic devices.
09 October 2018 476 0 View
If anyone has tested these IoT technologies in outdoor environment, could you please help me with max range and data rate that is actually achievable? I feel there is lot of difference between...
04 May 2018 1,477 0 View
I want a wireless transceiver module for remote sensing application with range about 10km. Xbee would not be sufficient. Can anyone suggest an alternative?
03 April 2018 5,813 10 View
My work is related to theoretical modeling of a phenomenon in semiconductor lasers and I want to submit it in a reputed journal. Most journals in optics and photonics require experimental work....
02 March 2016 1,472 5 View
What does 'k' refers to in a E-k diagram ? Is it a wavevector or something else?
01 February 2016 1,042 10 View
I have complex values of a periodic signal which is clearly visible in time domain. But I want to find its frequency content ? FFT is not working with me and I am looking for alternate ways to...
11 December 2015 9,340 20 View
I want to learn optical waveguide analysis using methods such as FD, FDTD, BPM and EIM, but I am not sure how and where to start ? Any guidance will be helpful.
09 October 2015 390 11 View
I want to simulate both integrated and bulk fiber-optic semiconductor ring laser. Which of the tools e.g. Lumerical, Comsol, OptiFDTD will be most useful to me?
08 September 2015 4,819 1 View
How do I find out the beam area of a light wave?
05 June 2015 2,891 0 View
i am unable to interpret why its increases in start as shown in figure
11 August 2024 2,179 1 View
I am using Rhodamine6G as gain medium and silver nanoparticles as scatterers on a microscope slide and laser input 532 nm comes from above.
09 August 2024 9,894 2 View
I am interested to know the behavior of dyes toward light. Specifically, Blue dyes re-emit the spectrum, especially from the green zone (known as principal in LED lamps, and blue dyes are known...
05 August 2024 3,290 1 View
Dear all! Oxygen vacancies do raise negatively the Fermi level by increasing the negative charge in the semiconductor crystal structure. In the case of n-type semiconductors, I wonder if this...
30 July 2024 8,339 2 View
Hello, I'm trying to measure the conductivity of semiconductor films but since I don't have a commercial four point probe set up I would like to build one on my own in my lab. I have generators,...
30 July 2024 906 2 View
The threshold voltage (Vth) of a MOS device plays a crucial role for its operation. At the same time, noise is an intrinsic factor. So how noise (flicker or thermal) change with the change in...
29 July 2024 3,246 0 View
There are three operating parameters - the laser power, the diameter of the focus spot and the scanning speed. It is necessary to obtain a seam of a given depth without pores. What parameter...
27 July 2024 7,168 2 View
I am currently working on a regression model for a project and considering using both Random Forest and Decision Tree algorithms. Given that Random Forest is essentially an ensemble of Decision...
23 July 2024 4,306 3 View
Though much literature suggests fitting a Voigt profile on a LIBS peak, is it also possible to fit a Gaussian profile on the LIBS peak? I have 204 spectra files, and I am building a pipeline for...
23 July 2024 6,127 1 View
I would like to use biofilmQ to analyse confocal laser image, how can do?
16 July 2024 7,628 2 View