The radiation exchange between two objects is enhanced when the separation between them is less than the wavelength of the dominant frequency. This application calculates the near-field radiation exchange as well as the far-field exchange in p- and s- polarization.
Python: numpy, scipy, sympy, numexpr, matplotlib; rappture
Vanderbilt University Department of Mechanical Engineering
Results from the application have been checked against data shown in:
 Basu, S., Zhang, Z. M. and Fu, C. J. (2009), Review of near-field thermal radiation and its application to energy conversion. Int. J. Energy Res., 33: 1203–1232. doi: 10.1002/er.1607
 Francoeur, M. (2010). Near-field radiative transfer: thermal radiation, thermophotovoltaic power generation and optical characterization. Ph.D. Thesis. University of Kentucky: U.S.A.
 Mulet, J. P., Joulain, K., Carminati, R., & Greffet, J. J. (2002). Enhanced radiative heat transfer at nanometric distances. Microscale Thermophysical Engineering, 6(3), 209-222.