An apparatus, as well as a corresponding method, for providing data associated with at least one sample, comprising:at least one first arrangement configured to receive first information associated with signals for the electro-magnetic radiations provided from the at least one sample, wherein at least first one of the electro-magnetic radiations being provided along a first axis, and at least second one of the electro-magnetic radiations being provided along second axis which is different from the first axis, wherein data for each of the signals within at least one portion of the first information includes data for a plurality of depths within the at least one sample； andat least one second arrangement configured to produce second information associated with contrast data of at least one portion of an image for the at least one sample as a function of the first information.
