A spectrometer comprising: an inverted image slicer configured to accept input light to the spectrometer; an adjustable interferometer configured to accept light from the inverted image slicer, wherein the adjustable interferometer is capable of being used in a Fourier transform spectrometer; a sensor configured to sense light from the adjustable interferometer; wherein the inverted image slicer causes a linear field of view of the spectrometer to be imaged as a two-dimensional grid on the sensor, wherein the inverted image slicer comprises: a first lens to focus input light onto a first plurality of mirrors (306A-306E); the first plurality of mirrors (306A-306E), wherein each of the first plurality of mirrors (306A-306E) is tilted at an angle different from each other of the first plurality of mirrors (306A-306E), wherein each of the first plurality of mirrors (306A-306E) is configured to direct light from the first lens to a corresponding mirror of a second plurality of mirrors (308A-308E); the second plurality of mirrors (308A-308E), wherein each of the second plurality of mirrors (308A-308E) is configured to direct light from the corresponding mirror of the first plurality of mirrors (306A-306E) to a corresponding mirror of a third plurality of mirrors (310A-310E); the third plurality of mirrors (310A-310E), wherein each of the third plurality of mirrors (310A-310E) is tilted at an angle different from each other of the third plurality of mirrors (310A-310E), wherein each of the third plurality of mirrors (310A-310E) is configured to direct light from a corresponding mirror of the second plurality of mirrors (308A-308E) to a second lens; and the second lens. an inverted image slicer configured to accept input light to the spectrometer; an adjustable interferometer configured to accept light from the inverted image slicer, wherein the adjustable interferometer is capable of being used in a Fourier transform spectrometer; a sensor configured to sense light from the adjustable interferometer; wherein the inverted image slicer causes a linear field of view of the spectrometer to be imaged as a two-dimensional grid on the sensor, wherein the inverted image slicer comprises: a first lens to focus input light onto a first plurality of mirrors (306A-306E); the first plurality of mirrors (306A-306E), wherein each of the first plurality of mirrors (306A-306E) is tilted at an angle different from each other of the first plurality of mirrors (306A-306E), wherein each of the first plurality of mirrors (306A-306E) is configured to direct light from the first lens to a corresponding mirror of a second plurality of mirrors (308A-308E); the second plurality of mirrors (308A-308E), wherein each of the second plurality of mirrors (308A-308E) is configured to direct light from the corresponding mirror of the first plurality of mirrors (306A-306E) to a corresponding mirror of a third plurality of mirrors (310A-310E); the third plurality of mirrors (310A-310E), wherein each of the third plurality of mirrors (310A-310E) is tilted at an angle different from each other of the third plurality of mirrors (310A-310E), wherein each of the third plurality of mirrors (310A-310E) is configured to direct light from a corresponding mirror of the second plurality of mirrors (308A-308E) to a second lens; and the second lens. a first lens to focus input light onto a first plurality of mirrors (306A-306E); the first plurality of mirrors (306A-306E), wherein each of the first plurality of mirrors (306A-306E) is tilted at an angle different from each other of the first plurality of mirrors (306A-306E), wherein each of the first plurality of mirrors (306A-306E) is configured to direct light from the first lens to a corresponding mirror of a second plurality of mirrors (308A-308E); the second plurality of mirrors (308A-308E), wherein each of the second plurality of mirrors (308A-308E) is configured to direct light from the corresponding mirror of the first plurality of mirrors (306A-306E) to a corresponding mirror of a third plurality of mirrors (310A-310E); the third plurality of mirrors (310A-310E), wherein each of the third plurality of mirrors (310A-310E) is tilted at an angle different from each other of the third plurality of mirrors (310A-310E), wherein each of the third plurality of mirrors (310A-310E) is configured to direct light from a corresponding mirror of the second plurality of mirrors (308A-308E) to a second lens; and the second lens.