It is well known that finite size objects can emit radiation beyond the Planck ( or black body) limit. Is there a good thermodynamic base explanation for this phenomenon?
Article Finite-size corrections to the radiation laws of a Kerr nonl...
https://www.sciencedirect.com/science/article/pii/B978012809597300105X
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 9,103 24 View
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 9,429 3 View
in power generation (say heat to electricity) the highest efficient system not always provide the high throughput and vise versa. in this scenario is there any rational way of deciding what...
06 July 2017 577 4 View
The dye should absorb 1 micron to 2 micron (near to mid infrared) Range. Not for solar application.
05 June 2017 3,103 2 View
Optics
09 October 2016 5,131 0 View
Electromagnetic, information theory
08 September 2016 2,601 0 View
Nano particles are incorporated into various layers of thin film solar cells. near field enhancement is one way of increasing the photon absorption in the active layer. Can anybody explain to me...
31 December 2015 9,134 4 View
phonon-photon interaction ( collision or heat transfer in between photons and phonons)
08 September 2015 6,220 0 View
Fabrication cost of different nano-particles ( specially metal) with different shapes (sphere, cube, prism. etc) and different structure such as core and shell. I am concern about nano-particles...
05 June 2015 946 5 View
Spin coating, industry
04 May 2015 7,406 2 View
Approximate concentrations are require in compared with the WHO permissible limts
11 August 2024 2,723 1 View
A crude extract of fungal culture using EtOH was subjected to column and TLC and partially purified compound was obtained. UV vis spectrum of the compound/s has max absorbance at 218nm. The...
11 August 2024 9,801 2 View
A website software of Blackbody radiation law expert software can used through the following web site. http://39.105.188.151:3000/index
07 August 2024 1,706 0 View
I'm researching light sources and their UV emissions. I'm curious if a 50W, 7500K conventional LED lamp emits any UV light. I found that a 200W tungsten lamp can emit up to 1.5 mW/cm² at 350 nm....
31 July 2024 3,843 7 View
How can we calculate the percentage of configuration interaction (CI) in the UV output data of the Gaussian program? for example: Excited State 17: Singlet-A 5.1359 eV 241.41 nm...
28 July 2024 9,165 2 View
i need to find ECC for 4-MIMO antenna using radiation pattern on CST
16 July 2024 7,291 1 View
A universe model compatible with VSLT The research of Halton Arp and Eric Lerner supports a stationary universe, and the intrinsic nature of redshift, i.e. not linked to its presumed expansion...
14 July 2024 4,092 5 View
What would be the effect of distance from CNC cum Heart on the structure and function of a particular part of the human body? Do short people have evolutionary advantages to control body parts in...
09 July 2024 2,052 3 View
The diagram suggests that there is a contradiction within the second law of thermodynamics and Carnot's efficiency theory. According to the second law, Carnot efficiency is independent of the...
08 July 2024 7,478 4 View
I'm attempting to simulate a crossed dipole antenna. For excitation, I've placed a lumped port along each dipole. However, the resulting radiation pattern is similar to that of a single dipole....
08 July 2024 1,876 3 View