19 Questions 47 Answers 0 Followers
Questions related from Radhwan Alnaimi
Hi, Self focusing does not happen in plasma as it has -ve refractive index, but why is it so. would it be attributed to the dominant free electrons and the phase velocity is higher than the speed...
28 March 2016 7,400 3 View
Hi everyone, We are looking at the power of gases in ion's stopping. Can we use the SRIM for this, and are their any limitations for ions energy in the software? If so, is there any other software...
28 August 2015 2,250 23 View
Hi, Any idea about the relation between the plasma pressure and the magnetic field if a magnet is used to mitigate the debris particles in laser plasma sources especially tape drive targets? Many...
10 August 2015 5,703 7 View
In laser produced plasma. Do we see any difference in the the source size vertically and horizontally and why? Thanks, Rad
24 July 2015 2,167 7 View
Hi, I wonder if using Mylar in the tape drive target geometry would be good for a high- rep soft x-ray application. Or if anyone recommend other materials to be used instead in the tape drive, and...
15 July 2015 9,456 4 View
Hi, I wonder if it is possible to utilize long-pulse lasers to accelerate protons where the intensities are below 10^15 w.cm^-2, and why? Thanks Rad
02 July 2015 8,493 9 View
In laser plasma sources. What is the best way in resolving the ions emitting of the source? Many thanks Rad
04 June 2015 6,763 8 View
Hi, Can anyone recommend a safe procedure to measure the focused spot of laser beam. We calculated the focus spot size, but would like to measure it as well. I am thinking of using a set of glass...
25 May 2015 8,246 18 View
Does laser polarization changes after passing through periscope that changes the direction with 90 degrees and why? Many thanks Rad
23 May 2015 313 9 View
Hi, Dose anyone knows if polarization changing of the laser beam changes the x-ray source size. Doing the frequency multiplication changes polarization of the beam from P to S. and even if the...
21 May 2015 5,072 5 View
In laser produced plasma. What would the effect of ablated laser beam wavelength changing be on the x-ray source. Thanks
15 May 2015 6,312 1 View
I am using a photo diode with known quantum efficiency to measure the intensity of my x-ray source. The diode's signal is measured in volts on a scope with known impedance. Can anyone help with,...
03 May 2015 9,057 11 View
Does the polarization of the ablated laser beam has an effect on debris emission in LPP. Thanks Rad
09 April 2015 5,638 2 View
Hi, We are looking at electrons, protons and ions generated from our LPP x-ray source which passes through an electrostatic analyzer before reaching the detector. Can anyone tell us, which is best...
07 April 2015 5,348 7 View
Hi, Wonder if anyone knows whether we can simulate the ESA particle's trajectory using COMSOL software? Thanks, Rad
27 March 2015 6,709 1 View
We have an EMT which has not kept in a Desiccator for a period of time and its dynodes are contaminated (oxidized). Any idea on how to get rid of the oxidization? Thanks
12 March 2015 2,759 1 View
Any idea how to get the resolution of the Image plate scanner when calculating the X-ray source size in a laser produced plasma. I am thinking of using a resolution mesh and wonder if there is...
09 January 2015 9,612 3 View
I am working on a high rep solid target system and would like to measure the electron temperature of the generated plume. any idea? Thanks, Rad
09 January 2015 4,401 10 View
Does someone know how to filtrate IR scattered laser photons that is combined with soft x-ray emitting from a tape target in a laser plasma source without killing the signal of the x-ray?
18 September 2014 3,878 3 View