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Questions related from Kaleem Ullah
Hello dear researchers, I want to measure the value of the third-order nonlinear susceptibility (Chi3). I have only the third harmonic generation (THG) spectra in photon counts and I know the...
10 December 2019 1,015 6 View
Hello dear researchers, has anyone experience in obtaining the monolayer of material MoTe2 successfully by the mechanical exfoliation method ?? I have tried a lot of times, but the best thinner...
10 September 2018 5,273 4 View
Hello dear researchers, I am using dark field illumination to get the reflection signal for the left hand and right hand circular polarized light using a 0.90 NA, 100x Objective. I have read that...
14 October 2017 10,054 0 View
Hello dear researchers, Is that true, due to the modulation, we can map the weak signals and alone with modulation, we can get super-resolution??? If we can get the weak signals by using...
19 September 2017 1,474 0 View
I have already used COMSOL, FDTD, and CST software, But they do not offer to map the near and far field distribution at the same simulation area around the particle. Is there any way to simulate...
17 August 2017 3,441 2 View
Hello, dear researchers, What is the best and convenient way to calculate the multipolar effect of a nanoparticle on the substrate.
14 March 2017 3,694 0 View
Hello dear, I am working on the super-resolution polarization modulation method, which gives the Stokes with high accuracy, which means we have the degree of polarization. Our Imaging method can...
08 December 2016 4,289 1 View
Hello, dear researchers, I have a modulation system which can give me the backscattered(reflection) and forward scattered (transmission) Stokes parameter of the particle under study. According to...
30 November 2016 8,200 4 View
Dear researchers, As you know from the linear degree of polarization at 90-degree, one can find out the resonance modes: PL(90)=I90-I0/I90+I0=|a1|^2-|b1|^2/|a1|^2+|b1|^2 where a1 and b1 are the...
24 October 2016 7,129 2 View
Hello, dear researchers, some researchers do not believe that we can detect the near field or evanescent field using a far field microscopy but some believe that in some directions polarization...
10 October 2016 7,777 3 View
Hello, I want to investigate the effect of substrate on the near field scattering of the nanosphere by using the Mie theory. does Mie theory allow us? Can anyone help me to solve this issue? What...
27 September 2016 266 6 View
Hello, I have a microscopic system as shown in attached figure. I want to measure the linear degree of polarization at 90 degrees. How can I measure it? Acoording to our parametric solution the...
15 September 2016 8,768 10 View
Hello dear researchers, I am using polarization parametric system whose base is on the anisotropy. I want to ask your experience, ideas and comments that if i have some material nano-particles...
22 June 2016 311 8 View
hello dear all, i have performed some NF measurement on nanoparticles whose size range in the 500nm to 1500 nm with wavelength of 532 nm. The system is like polarization microscopy. i have heated...
22 June 2016 4,962 4 View
Hello guys as we know Bessel Beam Microscopy (BBM) is a near to far field microscopy, Can anyone explain its limitations and possible solutions???
04 June 2016 2,748 2 View
Hello dear researchers, I have question for especially for those whose field of research is Polarimetric Imaging, As according to the Jones model if our experimental setup is like...
19 May 2016 3,865 2 View
Hello dear researchers ,I have GaN nanoparticle of size 700 nm, i want to know that what should be the changes in the scattering field if we doped it with cadmium or any other metal, Also please...
05 May 2016 8,329 4 View
Hello, guys , I want to use DDA code on windows, someone told me it's better to use Linux for it, is like that??? What are its limitations in your point of view?? what is the easiest way to run...
03 April 2016 7,712 2 View
Hi , I want to ask that if one want to study the ocean animals under the polarization microscope, then what are the animals whose skin has more anisotropic structure and one can study them( I mean...
03 April 2016 2,383 4 View
Suppose I have a fluorescence intensity image which having data like 2000*2000*8unit. How can I calculate the Ex, Ey and Ez of that intensity image? Any suggestions???
28 February 2016 8,434 4 View
Hello, I want to ask if we can get the data on each pixel point from the confocal microscopy(e.g A1MP Nikon) for an image. Usually, it is in the form of 2400*3400*8units. Can we reshape that...
27 February 2016 4,192 4 View
Now a days everyone focus on astrophysics like black holes, Universe, Relativity.That is why there are a lot of online programs , courses available from which one can easily understand these...
25 February 2016 3,626 6 View
Hello everyone, i have sample of oral skin of human effected from cancer. Due to no background of the biology, i am unable to get info from the image. I shall be very thankful to him/her(...
18 February 2016 1,660 7 View
Hello everyone, i did not understand why we are finding polarization states by assuming light as a wave? Don't you think that if we assume light also particle i.e photon then by using quantum...
07 February 2016 3,538 6 View
Hello every one hope so you all will be doing good work.. i want to ask a question i have got experimental results in which i have near field distribution around a nano-particle about one...
15 December 2015 9,314 2 View
Hi everyone i am the beginner in MATLAB. I am using FDTD software.After the simulation when i get image from FDTD is different when i export the data from the FDTD image into a Data matrix and...
14 November 2015 4,052 3 View
Hi all! I am using COMSOL 5, i have done some simulation related to the near field scattering now when i have exported data from the comsol and put it into the matlab and tried to plot it as image...
12 October 2015 2,326 10 View
Hi everyone, my question is that when we take time average in the polarization average what kind of uncertainties finished and still what kind of uncertainties remain in describing the...
01 October 2015 2,707 3 View
Hello everyone i have performing simulations in FDTD and i have polarization ellipse i want to find the orientation angle Psi(w) elliptical angle (X) polarization angle at each pixel how can i...
01 June 2015 3,000 2 View
I would like a code from lumeric FDTD and I would like to convert that code into MATLAB code. How can I do that? I would like to find the function of my simulations so for this I have to convert...
06 May 2015 6,872 2 View
Hello everyone , How to get the code from the Lumeric FDTD after performing the simulations?
05 May 2015 3,073 6 View
As we know the orientation of the field vector of local polarizaton is a key quantity in many thousands of theoretical studies on nano-optics, nanophotonic devices and optical sciences in general....
20 April 2015 4,131 3 View
As you know Walter Lewin is a famous MIT professor its lectures has been cited more than 10 millions time due to its simplicity, experimental verification and delivering method.... Do you know any...
03 April 2015 3,732 4 View
Hello every one i have come to know that how to define the materials in FDTD(Lumeric) but for this we have to define Real and imaginary part of refractive index for the range of 400 nm to 700...
31 March 2015 8,431 5 View
How can I find imaginary refractive index for the wavelength range of 400 nm to 700 nm for calcium carbide?
31 March 2015 2,069 10 View
Hello everyone, I want to do Near to Far Field Transformation by using FDTD how can it be possible..I have a geometry of Metal Nanosphere and i want to perform NTFF Transformations, Can anyone...
27 March 2015 2,927 4 View
I have asked two times the following question:I want to calculate the gas concentration, in ppm, in the closed chamber of volume 1025 cm3. I have a cylinder of mixture of NH3 and air with the 10...
28 February 2015 3,872 6 View
How can I find the concentration (or PPM) of gas with provided flow rate in a fixed volume static chamber (or cylinder or vessel)?
12 February 2015 7,974 4 View
Except for Some Special Directions Non-Spherical Field or Other Broad Class of Fields.What you think kindly share your concept and personal experience
14 January 2015 8,398 3 View
Hello dear researchers, I want to know the possible reasons (all possible reasons) for the phase change in single layered or thin film of 2 D materials probing under the ultra-fast laser...
01 January 1970 1,050 1 View
