Fig. 1. Sagnac beam splitter

Fig. 2. Double right-angle beam splitter

Fig. 3. Solid double right-angle beam splitter

Fig. 4. Optical system of reflective static Fourier spectrometer. (a) Top view; (b) right view

Fig. 5. Rear light path. (a) Transmission-type; (b) reflection-type

Fig. 6. Prototype of reflective static Fourier spectrometer

Fig. 7. Interferograms of mercury lamp. (a) Light source through single slit; (b) light source through double slits

Fig. 8. (a) Interference curve and (b) reconstruction spectrum obtained by processing the interference data

Fig. 9. (a) Interference curve and (b) reconstruction spectrum with the light source of 650 nm