Abstract

The effect of multiplexing in Fourier transform spectroscopy (FTS) (and other coding techniques such as Hadamard transform spectroscopy) on the signal/noise ratio arises from two factors. The first of these is a <i>N</i>^½ improvement for a spectrum containing <i>N</i> resolution elements since each individual resolution element is now viewed for an <i>N</i>-fold longer time. The second factor is due to the simultaneous observation of all resolution elements, raising the signal level by a factor <i>N</i> for an uniform spectrum.

Conventions and values for the multiplex advantage in Fourier transform spectroscopy

Tomas Hirschfeld
Appl. Opt. 16(12) 3070-3071 (1977)

Experimental Realization of the Multiplex Advantage with a Hadamard-Transform Spectrometer

J. A. Decker
Appl. Opt. 10(3) 510-514 (1971)

Multiplex advantage in Hadamard transform spectrometry utilizing solid-state encoding masks with uniform, bistable optical transmission defects

David C. Tilotta, Robert M. Hammaker, and William G. Fateley
Appl. Opt. 26(19) 4285-4292 (1987)

What are the advantages of ghost imaging? Multiplexing for x-ray and electron imaging

Thomas J. Lane and Daniel Ratner
Opt. Express 28(5) 5898-5918 (2020)

Realization of the Multiplex Advantage in Fourier Spectroscopy Using the Continuous-Drive Method

HAJIME SAKAI and RANDALL E. MURPHY
J. Opt. Soc. Am. 60(3) 422-423 (1970)