Table of Contents:
  • An introduction to optical multiplexing techniques
  • A survey of multiplexing spectrometers
  • The basic theory of Hadamard transform spectrometers and imagers
  • Noise, or when to multiplex and when to avoid it
  • Instrumental considerations
  • Systematic errors
  • Applications
  • Appendix. Hadamard and s-matrices, Walsh functions, pseudo-random sequences, and the fast Hadamard transform.