Z-scan

what could be the final form of the equation how it looks like when saturable and reverse saturable absorption present in the sample at lower and higher intensities,I mean combining total...

04 May 2017 1,775 6 View

Z-scan saturable absorption

Regarding z-scan, while fitting open aperture data how can we get conformation that we are on a right track while calculating saturation intensity Is is it less then peak intensity or...

04 May 2017 160 4 View

Z-scan experimental technique ?

Since in z-scan experiment intensity that people normally refer is in Gw/Cm2 i want to know how to maintain such a high intensity and can some body suggest how to calculate it during the experiment.

03 April 2017 2,492 1 View

Charge/energy transfer in 0D/2D hetrostructure ?

Is it possible to achieve Electron transfer from CdSe QDs( with TOP ligand on its surface)to 2-D material in time a time domain of 45-50 ps ? What is the effect of different ligands on ET transfer...

03 April 2017 5,564 2 View

How to find Kerr rotation in easiest way?

Kerr rotation measurement ?

05 June 2016 6,076 1 View

How Fermi surafce changes when the effect of perodic potential is included?

fermi surface

03 April 2016 720 1 View

How to calculate fermi energy for 2-D hexagonal lattice?

fermi energy

03 April 2016 6,305 2 View

1st Law Of Thermodynamics?

11 December 2015 3,854 15 View

Physics: Why do we describe light by referring to its wavelength, but microwaves and radar pulses by referring to their frequency?

In physics, the description of the properties of light generally refers to its wavelength (nm), while in the range of microwaves and radio waves we refer to the frequency of a signal (e.g. kHz or...

03 March 2021 1,682 3 View

Is there any effect of different colours of light (white, red, yellow, blue etc.) on the rate of photosynthesis? If yes, why?

Light is inevitable for the process of photosynthesis reaction. Naturally sunlight plays the vital role for this process. Light may be of different colours like white, red, yellow, blue etc....

02 March 2021 7,890 2 View

What are anisotropic electrical and optical properties of a semiconductor due to?

In some materials, properties such as band gap, thermal conductivity differ along different crystallographic axes. What are the basics?

01 March 2021 1,923 3 View

If you haven't computer? how you show the photons to pupils?

Educational Process

01 March 2021 1,827 1 View

In an eye with Tyndall, does each dot correspond to an individual cell?

When you observe the presence of Tyndall in an inflamed eye: Does each of the small floating dots correspond to an individual cell or to an aggregate of cells? Does a conventional slit lamp have...

27 February 2021 6,326 2 View

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25 February 2021 5,713 1 View

How can I obtain time series data by country on night-time light (brightness) ?

Hi everyone, Please, how can I obtain time series data by country on night-time light (brightness) ? I've tried, but so far all I can find are maps. I am looking for numerical data, especially in...

24 February 2021 8,625 4 View

What are difference between laser diodes, simple light emitting diodes and power light emitting diodes when operated in the visible spectrum ?

I want to illuminate a scene (small space) using LED to capture photographs or videos of some tiny objects inside the space. But am not sure if I should use a Laser LED, or simple LED or power...

22 February 2021 4,240 4 View

How to interpret this FTIR spectrum of pyrolyzed hydrochar?

20 February 2021 2,840 3 View

No title

The regenerated cellulose film was prepared by zinc chloride/H2O system. The zinc chloride had been washed away in the regeneration process, and the wet film which was not dried had uniform...

18 February 2021 9,538 1 View