Several variations are given of a relatively simple thin film optical cavity construction which can be designed either to induce absorption in a weak absorber or to induce thermal emission from a weak emitter. In both cases the cavity is very selective with respect to polarization and wavelength.
© 1970 Optical Society of America
Original Manuscript: March 16, 1970
Published: September 1, 1970
N. J. Harrick and A. F. Turner, "A Thin Film Optical Cavity to Induce Absorption or Thermal Emission," Appl. Opt. 9, 2111-2114 (1970)