1. An apparatus for generating tomography images, the apparatus comprising: a detection unit configured to detect a basic interference signal and a target interference signal of an object, and comprising a beam splitter, and a modulator, comprising an array of micro-mirrors configured to modulate an incident beam into a basic modulated incident beam that is incident on an object, by setting an on/off position of a micro-mirror, based on resolution information, and a target modulated incident beam that is incident on the object, based on a target modulation parameter, wherein the basic modulated incident beam and the target modulated incident beam comprise spherical waves; an imaging processor configured to extract a basic interference signal and a target interference signal from response signals, the response signals comprising plane waves formed by the object reflecting or scattering the basic modulated incident beam and the target modulated incident beam, to change the basic interference signal into tomography image signals, to output the target modulation parameter by analyzing the tomography image signals, to process the target interference signal as a target image of the object, and to output the target image, wherein the imaging processor comprises an image processor configured to process each of the basic interference signal to generate tomography image signals and to process the target interference signal as an image signal corresponding to a section of the object, and a target setter configured to analyze each of the tomography image signals, and to set the target modulation parameter.