Zia Urrehman

11 Questions 17 Answers 0 Followers

Questions related from Zia Urrehman

Does anyone have the experience of indexing electron diffraction pattern using crystal-maker software?

i want to simulate electron diffraction pattern using crystal-maker software

26 October 2015 3,367 10 View

CVD single crystal diamond through ICP-RIE?

Recently i have etched CVD single crystal diamond through ICP-RIE , but after etching the diamond surface have a lot impurities and some black spots , and it was not possible to remove those...

05 September 2015 4,777 6 View

Can somebody explain to me the reduction or more specifically compression of the unit cell in single crystal sapphire due to a laser?

During laser induced bulk breakdown in sapphire using long pulse (nanosecond pulse) we observed compression of c axis of single crystal sapphire(HCP structure)

28 May 2015 9,828 4 View

How do you increase the magnification in time resolved shadowgraphy without losing resolution?

We are working on pump probe shadowgraphy in transparent material using femtosecond laser, but it is difficult to obtained an image of reasonable magnified to image on CCD. We were to able obtain...

26 November 2014 4,445 0 View

How do you focus laser light land white light simultaneously on a sample to see in-situ laser damage?

I am working on reflected microscopy. I want to focus both laser beams and white light on the sample - laser beam for producing some structural changes and white light (halogen lamp) for back...

27 October 2014 1,154 9 View

Can you provide input on designing an optical microscope?

I want to design a microscope ,which can be simultaneously used as laser focusing optics in bulk of material. The reason for this is to know the exit depth of focus point. Does any one give me a...

17 September 2014 1,816 1 View

How can I carry out doping of nanoballs or nanotubes inside glass?

Does anyone have experience with the doping of nanoballs or nanotubes inside transparent dielectric like fused silica, PMMA etc.?

29 July 2014 2,547 1 View

Does anyone have an idea about energy band gap of gorilla glass?

Gorilla glass

23 July 2014 7,560 5 View

Does anyone have experience with the doping of nanoballs or nanotubes inside transparent dielectric like fused silica, PMMA etc.?

Can someone provide any link of any company who can prepare sample by doping nano tubes or nano ball inside transparent glasses.

20 June 2014 7,993 3 View

Triggering of spectrometer using delay generator for single shot spectroscopy - can anyone help?

I am using Quantel brilliant ND:YAG laser. I want to trigger my spectrometer using a delay generator for laser induced breakdown spectroscopy. Spectrometer is ocean optics usb 4000. Can anybody...

17 June 2014 6,024 9 View

What is the difference between cleavage and etching?

Please explain to me on the basis of transparent glass like sapphire, fused silica etc.

03 December 2013 5,755 2 View