A Fourier-domain optical coherence tomography apparatus for angle-resolved Fourier-domain optical coherence tomograph comprising: at least one first arrangement (710, 750, 770, 775) configured to receive at least one first electro-magnetic radiation and configured to split it into a reference beam and a sample beam; wherein the first arrangement is configured to focus and forward the sample beam as at least one second electro-magnetic radiation within a solid angle to a sample, wherein the at least one second electro-magnetic radiation is at least one focused radiation, wherein the at least one first arrangement is configured to receive the at least one second electro-magnetic radiation as a plurality of third electro-magnetic radiations scattered from the sample, and wherein at least one portion of the third electro-magnetic radiations is provided outside a periphery of the solid angle; wherein the first arrangement is configured for interfering the at least one portion of the third electromagnetic radiation that is provided outside the periphery of the solid angle with the reference beam, wherein the reference beam has a larger cross sectional area than the sample beam, at least one second arrangement (765, 785) configured to simultaneously detect signals based on each of the third electro-magnetic radiations, wherein the signals contain information for the at least one sample at a plurality of depths thereof, and wherein the at least one second arrangement is configured to determine the depths using at least one of the third electro-magnetic radiations without a need to utilize another one of the third electro-magnetic radiations; and further comprising at least one third arrangement configured for generating at least one image of at least one portion of the sample as a function of the signals. at least one first arrangement (710, 750, 770, 775) configured to receive at least one first electro-magnetic radiation and configured to split it into a reference beam and a sample beam; wherein the first arrangement is configured to focus and forward the sample beam as at least one second electro-magnetic radiation within a solid angle to a sample, wherein the at least one second electro-magnetic radiation is at least one focused radiation, wherein the at least one first arrangement is configured to receive the at least one second electro-magnetic radiation as a plurality of third electro-magnetic radiations scattered from the sample, and wherein at least one portion of the third electro-magnetic radiations is provided outside a periphery of the solid angle; wherein the first arrangement is configured for interfering the at least one portion of the third electromagnetic radiation that is provided outside the periphery of the solid angle with the reference beam, wherein the reference beam has a larger cross sectional area than the sample beam, at least one second arrangement (765, 785) configured to simultaneously detect signals based on each of the third electro-magnetic radiations, wherein the signals contain information for the at least one sample at a plurality of depths thereof, and wherein the at least one second arrangement is configured to determine the depths using at least one of the third electro-magnetic radiations without a need to utilize another one of the third electro-magnetic radiations; and further comprising at least one third arrangement configured for generating at least one image of at least one portion of the sample as a function of the signals.