“…For the principal design of the key assembly, i.e. of the time-encoded dispersive OCT spectrometer, we adopted and customised the concept of a high-finesse polygon-based wavelength-scanning filter proposed in [12,13], which was then further implemented and analysed for OCT in [14] (quite a similar idea was introduced in [15]); besides, various aspects of the employed approach have been also inten-sively considered and discussed in [16,17].…”