An externally dispersed interferometer (EDI) is a hybrid instrument combining the compactness and beamshape insensitivity of a FTS with the low photon noise of a grating spectrograph. High resolution mapping demonstrated on the solar spectrum.
© 2003 Optical Society of America
D. J. Erskine, " Externally Dispersed Interferometry for Low Photon Noise High Resolution Broadband Spectroscopy," in Fourier Transform Spectroscopy, A. Sawchuk, ed., Vol. 84 of OSA Trends in Optics and Photonics (Optical Society of America, 2003), paper FWB3.
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