Multiband Polarization Imaging

Table 1

Spectral tuning methods in multiband polarization imaging systems.

	Design features	Basic principles	Features
Dispersion	Prism; interferometer	Light dispersion	Easy to realize; Low spatial resolution; Low spectral resolution
Interference	Interferometer	Fourier transforms; Spectral pixel interferogram	Without calibration; High imaging efficiency; Low spatial resolution
Spectral filtering	Optical filters	AOTF: light diffraction; LCTF: electrical tuning	Easy to realize; Simple and compact; Low imaging efficiency
Tomography	Tomography imager	Tomography projection	Complex structure; Full-field; High spectral resolution