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Questions related to Optics
I need the steps for calcualting the EML for different frequecny and how to plot it in excel. How do I extract the computed data from comsol and plot it.
30 June 2023 8,654 0 View
Hi, I diluted a nanocomposite solution with D5x to measure its UV-Vis absorbance. What I did was just simply times 5 with the UV-Vis absorbance results I have and assume this is the full...
19 June 2023 5,632 1 View
Bonjour a tous, je voudrais savoir la relation entre la temperature du verre ( viscosite ) et le radius de la fibre de verre? merci
05 June 2023 4,888 1 View
Dear Altruists I would like to know that how can I model a stochiometric nanocluster e.g (CdSe)n with a spherical shape? Is there any software or code available to do so? Thank you very...
26 May 2023 9,075 0 View
Can anyone have any idea which Tauc plot I used for my work actually I plotted the Graphene oxide Tauc plot for different values of transition but in all the cases I got a plot with different...
14 May 2023 7,527 1 View
Several articles suggest, in a MOPA configuration high power fiber laser, the SRS can be mitigated by increasing the bandwidth of the OC FBG. How to determine the optimized bandwidth of such FBG?...
10 April 2023 3,290 3 View
Hi, When I tried to S2 Resampling using SNAP 9.0.0, I get an error and the processing fails. I kept all parameters default. Error as follows, A problem occurred during the target product...
15 February 2023 2,195 1 View
Could you explain briefly, what is the use of the effective mass approximation in semiconductor quantum dots ?
11 January 2023 2,186 2 View
I am attaching an image of RBS spectra plotted using RUMP software. The target is 193-Iridium on Aluminium backing. In the attached image, there are some parameters and (gross and net)...
28 December 2022 7,171 3 View
If we operate with Raman laser well above threshold, for example, about 10 times, then the increase of laser efficiency due to double-pass pumping should be minimum in comparison with a...
11 November 2022 7,726 1 View
Dear all! I am testing a new type of reactor where 2 liquids and a gas are made to interact together with a thorough and rapid mixing, but I am more fluid dynamic specialist than chemist and I...
12 October 2022 5,494 4 View
How can use the multiple launch fields by using the Rsoft Fullwave and MOSTMultiVarFormat. Namely, how can I design the name of the second launch field? Optionally, the name of launch file is the...
23 September 2022 855 0 View
I need to design a multi layer structure( such as :substrate-layer 1-layer 2-component- heater) by Rsoft-BPM.I have gone through the tutorial in the BPM manual but couldn't design it completely ....
11 September 2022 1,312 0 View
Dear all, I am building and aligning mech Zehnder type f-2f interferometer for CEP signal detection. I have a few questions regarding this setup if someone could advise or comment? so, I have a...
10 August 2022 8,851 7 View
We are working on 3 D imaging in holography, need to develop new devices can add with CCD.
12 June 2022 333 2 View
Hi everyone, I am using CST Suite Studio for signal integrity analysis and I am wondering how to visualize the eyediagram in input and output. There are different eyediagram tasks but I do not...
10 March 2022 9,235 0 View
Hello all, I am trying to synthesize ZnO NPs from a plant extract, i tried many procedures and i didn't obtain them yet. My question is: do i have to calcinate the resultant precipitate in order...
28 February 2022 2,626 6 View
Nearly a year ago, I hit upon an idea with which I try to make an analogy between the Coriolis force (F=2mv×Ω,) and the Lorentz force (F=qv×B) due to an induced magnetic field. I see that these...
13 September 2021 8,128 2 View
There are many methods for the preparation of nanosuspension but among, all which method may be the suitable method for producing an optimum particle size and stability.
03 September 2021 6,905 4 View
Hello, I’m making some measurements sensitive to numerical aperture (NA), using Nikon 60X water immersion objective with NA 1, WD (working distance) 2.0. To verify the NA for my sources of light,...
14 July 2021 3,030 21 View
The correlation function for a two-level atom in contact with a reservoir of photons at temperature T is (I'm using natural units): C_R(\tau)\propto PolyGamma[4, 1-i (\tau/\beta)], where...
14 June 2021 8,915 2 View
In Ref. [Thermal Equilibrium in the Jaynes-Cummings Model ] the James-Cummings model is studier in a general way. In particular, Eq. (8) introduces a reservoir-Hamiltonian. The same procedure can...
17 May 2021 7,235 0 View
I like to do project in laser measurement system. My objective is to eliminate or reduce the cosine error, abbe error in Laser measurement system. I have Rhenishaw XL80 system. Please tell the...
01 March 2021 5,517 3 View
If The Laser head is parallel to the machine axis, the cosine error will be zero(θ=0). If the laser head tilted means the theta value will be some angle. My question is how to measure that...
26 February 2021 2,588 3 View