A device for analyzing a material - having an excitation transmission device formed by a laser light source for generating at least one electromagnetic excitation light beam with plural excitation wave lengths and - having a device for modulating the intensity of the excitation light beam and - having a detection device (106, 139) for detecting a response signal, - wherein the device comprises an optical medium, which is in direct contact with the material in a first region of the surface of the material, - wherein the excitation transmission device emits an electromagnetic excitation beam in a material volume which lies beneath the first region of the surface of the material, - wherein the device comprises a system for emitting a measurement beam which is arranged such that the emitted measurement beam penetrates into the optical medium, which is made from a material that is transparent for the measurement beam, and in particular from glass, crystal or a transparent plastic, - wherein the measurement light beam and the excitation light beam are adjacent to each other or overlapping on the interface between the optical medium and the material surface, - wherein the system for emitting a measurement beam and the detection device are arranged with respect to each other such that the detection device detects the measurement beam as said time dependent response signal, after the measurement beam has been reflected at least once at the interface of the optical medium, which is in contact with the material in the first region of the surface of the material, and - wherein the detection device is configured for detecting a time dependent response signal as a function of the wavelength of the excitation light and/or of the intensity modulation of the excitation light, and - having a device (107, 147) for analyzing the material based on the detected response signal; characterized in that - the excitation transmission device comprises more than two transmission elements in the form of a one, two or multidimensional array of transmission elements of lasers for generating at least one electromagnetic excitation beam by means of successively operating plural lasers of a laser light source and in that the wavelengths of the electromagnetic excitation beams of the transmission elements are different from each other, and - in that the device is configured such that response signals are subsequently determined, by the detection device using different modulation frequencies of the excitation transmission device each for different wavelengths of the excitation beam, and plural response signal waveforms or patterns corresponding to different modulation frequencies are combined with each other and that from this information specific to a depth region beneath the material surface is obtained. - having an excitation transmission device formed by a laser light source for generating at least one electromagnetic excitation light beam with plural excitation wave lengths and - having a device for modulating the intensity of the excitation light beam and - having a detection device (106, 139) for detecting a response signal, - wherein the device comprises an optical medium, which is in direct contact with the material in a first region of the surface of the material, - wherein the excitation transmission device emits an electromagnetic excitation beam in a material volume which lies beneath the first region of the surface of the material, - wherein the device comprises a system for emitting a measurement beam which is arranged such that the emitted measurement beam penetrates into the optical medium, which is made from a material that is transparent for the measurement beam, and in particular from glass, crystal or a transparent plastic, - wherein the measurement light beam and the excitation light beam are adjacent to each other or overlapping on the interface between the optical medium and the material surface, - wherein the system for emitting a measurement beam and the detection device are arranged with respect to each other such that the detection device detects the measurement beam as said time dependent response signal, after the measurement beam has been reflected at least once at the interface of the optical medium, which is in contact with the material in the first region of the surface of the material, and - wherein the detection device is configured for detecting a time dependent response signal as a function of the wavelength of the excitation light and/or of the intensity modulation of the excitation light, and - having a device (107, 147) for analyzing the material based on the detected response signal; - the excitation transmission device comprises more than two transmission elements in the form of a one, two or multidimensional array of transmission elements of lasers for generating at least one electromagnetic excitation beam by means of successively operating plural lasers of a laser light source and in that the wavelengths of the electromagnetic excitation beams of the transmission elements are different from each other, and - in that the device is configured such that response signals are subsequently determined, by the detection device using different modulation frequencies of the excitation transmission device each for different wavelengths of the excitation beam, and plural response signal waveforms or patterns corresponding to different modulation frequencies are combined with each other and that from this information specific to a depth region beneath the material surface is obtained.