Complex sentence: Both waves pass the same optical path but in different points of time.The method can be used for thick and thin, small and large micro-objects.Due to equal intensities of the interfering waves, contrast of images is maximal.
Split into simpler sentences: Both waves pass the same optical path but in different points of time. The methods can be used for thick and thin, small and large micro-objects.Due to equal intensities of the interfering waves, contrast of images is maximal.