What are the units of intensity of a laser beam?

What are the units of intensity of a laser beam? as an example say Gaussian laser beam. is it W/m2? in some document they have stated this as " irradiance" Then in that case units of W/m2 is ok....

10 November 2017 8,951 24 View

Is it possible to exceed the mean occupation number ( number of photons per mode) of black-body radiation?

Boltzmann distribution determines the expected occupancy of the modes in thermal equilibrium. Are there any passive ways of increasing the occupancy number?

06 July 2017 9,244 3 View

What is the rationale method for deciding whether going for high efficiency or high throughput in power generations?

06 July 2017 465 4 View

Anybody know a good dye that can absorb about 1 micron to 2 micron range to be used in Dye-Sensitized Cells?

05 June 2017 2,989 2 View

What is Gaussian Schell-model source?

09 October 2016 5,016 0 View

What is fresnel entropy?

08 September 2016 2,474 0 View

How does the enhanced near-field due to nanoparticles increase the absorption in the semiconductor?

31 December 2015 8,994 4 View

Is it possible to phonon-photon interaction in solids?

08 September 2015 6,111 0 View

What are the factors that determine (decide) the fabrication cost of different nano-particles?

05 June 2015 824 5 View

What are the resent industrial applications of spin coating?

04 May 2015 7,281 2 View

Is There Any Feasible Method To Test Fluorescent Compounds Other Than Fluorescence Spectrometers ??

Is There Any Feasible Method To Test The Efficiency Of Fluorescent Compounds Other Than UV Spectrometers ? Suggestions Would Be Appreciated !

02 March 2021 5,785 3 View

Why almost every element would be metallized in sufficiently high pressure and low temperature?

(This statement is from wikipedia, BTW). What is so special about metallic bond that is limiting high-P low-T state of a matter (as long as individual atoms exist, not white dwarf of neutron star...

02 March 2021 3,309 2 View

How Can I bring as much common elements in steel as possible to calculate stable phase(s) in OpenCalphad?

As I was tweaking step-by-step OpenCalphad6 Macros step1.ocm involving phase and thermal property calculation of a High-speed steel, I could not incorporate more than 6 elements in the steel...

01 March 2021 8,840 1 View

What is the error of the Txy diagram?

Hi, I know the attached Txy diagram has an error but can't figure it out. Could you please look at the diagrams and explain it to me?

23 February 2021 4,239 1 View

How the values of errors can be calculated for thermodynamic data?

I have calculated thermodynamic parameters for surfactant solutions in aqueous and mixed alcoholic solvents. I want to calculate the value of errors in the data and represent it in the table along...

22 February 2021 239 2 View

Could the "incoming radiation (net radiation)" values be negative?

Could the "incoming solar radiation" values be negative? What is the difference between "global solar radiation" and "incoming solar radiation"? Which one might be measured negative values?

21 February 2021 7,726 9 View

In methylene blue test Why is UV absorbance reading very low as soon adsorbent is added and then increasing before reaching equilibrium?

Hello, I'm working on removal of methylene blue. 01. in the dark test very first reading is taken 15 minutes after adding adsorbent to the dye solution and that UV absorbance reading is very...

19 February 2021 472 5 View

How to calculate ultraviolet dose in Gy or J/kg?

Currently I'm doing a literature review regarding the comparisons of different types of radiation such as uv, electron beam and gamma radiation. But I'm having a difficult time converting uv unit...

11 February 2021 7,642 3 View

Is there any publication about the effect of basketball and volleyball on body height?

Many people believe that some stretching sports with vertical jump such as basketball and volleyball can increase the body height. On the other hand, others do not agree with this argument. The...

02 February 2021 281 6 View

Are you interested to submit a paper in the special issue "Solar Radiation" in "Remote Sensing" ?

I you are interested to submit a paper in the special issue "Solar Radiation" in "Remote Sensing", please have a look on the 2 following files and/or on the web site :...

01 February 2021 2,954 3 View