Difference holographic interferometry (DHI): single reference beam technique

Füzessy, Zoltán [Füzessy, Zoltán (Koherens optikai ...), szerző] Budapesti Műszaki Egyetem; Gyímesi, Frenc [Gyímesi, Ferenc (Optika), szerző] Fizika Tanszék (BME / TTK / FI); Bányász, István [Bányász, István (Optika), szerző]

Angol nyelvű Tudományos Szakcikk (Folyóiratcikk)
Megjelent: OPTICS COMMUNICATIONS 0030-4018 68 (6) pp. 404-407 1988
      Difference holographic interferometry can be used for a direct optical comparison of two nominally identical objects (master and test) and to display the result of the comparison in the form of an interference pattern related to the difference in deformation, shape or refractive index change of the two objects. Reconstructed real images of the master object in its initial and final states are used for holographic illumination of the test object in both its states. The master interferogram can be recorded by two reference beams and the real images can be reconstructed separately. On the other hand, if the master interferogram is recorded by a single reference beam, the wavefronts of the initial and final states of the master object can only be reconstructed simultaneously. The theory of this new technique is discussed and its application for differential measurements of refractive index changes is presented. © 1988.
      Hivatkozás stílusok: IEEEACMAPAChicagoHarvardCSLMásolásNyomtatás
      2020-10-29 09:41