As one expects photon antibumching is a small effect for great mean photon numbers. In addition perceptible k-photon absorption ( k≥2) which produces photon antibunching, needs large mean photon numbers. In order to measure a great anticorrelation effect in a Hanbury Brown-Twiss experiment we have to reduce the intensity by interference. How this can be accomplished with the help of polarizers is shown in this paper. This method is in certain analogy to the principles of the polarization spectroscopy.