Fourier transform spectrometer

Large dispersive effects near the band edges of photonic crystals
A. Imhof, W.L. Vos, R. Sprik, and A. Lagendijk
Phys. Rev. Lett. 83, 2942-2945 (1999)

Phase-sensitive interferometry with ultrashort optical pulses
R. H. J. Kop and R. Sprik
Rev. Sci. Instrum. 66, 5459-5463 (1995)