A broadband hyperspectral spectrophotometer suitable for analyzing an object comprising: - an illumination assembly (S) comprising at least one source (Si) for emitting a light beam having a wavelength belonging to the ultraviolet region towards an object to be analyzed, said assembly (S) being further configured to scan line by line the object to be analyzed by means of the emission source (Si); - a spherical focusing mirror (M2); - a first fold mirror (M1) comprising a front face (M11) oriented towards the spherical focusing mirror (M2), said first face (M11) having a metal treatment, the first mirror (M1) further having a rear face (M12) opposite to the first front face (M11), said rear face (M12) also comprising a metal treatment, said first focusing mirror (M1) comprising at its center a slit (F) configured to allow the passage of a line of the beam coming from the object ; the first fold mirror (M1), the spherical focusing mirror (M2) and the slit (F) being arranged so that a fluorescent beam emitted by the object after absorption of the ultraviolet beam by the object coming from the illumination assembly undergoes a reflection from the first face (M11) of the first mirror (M1) towards the focusing mirror (M2), said focusing mirror (M2) then reflecting the beam thus focused towards the slit (F); the spectrophotometer comprising - a parabolic collimating mirror (M3); - a dispersing prism (P); the collimating mirror (M3) being arranged relative to the first fold mirror (M1) to collimate the beam coming from the slit (F) towards the second face of the metal treatment of the first fold mirror which directs the collimated beam towards the dispersing prism (P); - an imaging mirror (M5); - a detection assembly (DET); the imaging mirror (M5) being arranged relative to the dispersing prism (P) to image a line of the object for each wavelength dispersed over the detection assembly (DET). - an illumination assembly (S) comprising at least one source (Si) for emitting a light beam having a wavelength belonging to the ultraviolet region towards an object to be analyzed, said assembly (S) being further configured to scan line by line the object to be analyzed by means of the emission source (Si); - a spherical focusing mirror (M2); - a first fold mirror (M1) comprising a front face (M11) oriented towards the spherical focusing mirror (M2), said first face (M11) having a metal treatment, the first mirror (M1) further having a rear face (M12) opposite to the first front face (M11), said rear face (M12) also comprising a metal treatment, said first focusing mirror (M1) comprising at its center a slit (F) configured to allow the passage of a line of the beam coming from the object ; the first fold mirror (M1), the spherical focusing mirror (M2) and the slit (F) being arranged so that a fluorescent beam emitted by the object after absorption of the ultraviolet beam by the object coming from the illumination assembly undergoes a reflection from the first face (M11) of the first mirror (M1) towards the focusing mirror (M2), said focusing mirror (M2) then reflecting the beam thus focused towards the slit (F); the spectrophotometer comprising - a parabolic collimating mirror (M3); - a dispersing prism (P); the collimating mirror (M3) being arranged relative to the first fold mirror (M1) to collimate the beam coming from the slit (F) towards the second face of the metal treatment of the first fold mirror which directs the collimated beam towards the dispersing prism (P); - an imaging mirror (M5); - a detection assembly (DET); the imaging mirror (M5) being arranged relative to the dispersing prism (P) to image a line of the object for each wavelength dispersed over the detection assembly (DET). <EOS>