Laser profile reshaping in a Fabry-Perot thin film.


We report the observation of non-Gaussian reflected and transmitted laser spatial profiles resulting from the excitation of resonant modes below the critical angle for total reflection in a Fabry-Perot cavity formed by a thin ~7 um air film between two glass prisms. The observations of an interference minimum in the reflected profile and exponential decay… (More)
DOI: 10.1364/OL.37.000283