A miniature medical spectrometer is provided, the spectrometer comprises: a room temperature, electrically excited, solid state two photon laser generating high intensity broad wavelength a light projection optics, projecting said generated light on biological subject a light collection optics, collecting reflected light from said biological subject a wavelength selector spectrally analyzing said collected light a detector, detecting said analyzed light and a controller analyzing the reflected spectra and calculating result indicative of the medical state of the biological subject based on said spectrum.
