Martin–Puplett interferometer

A Martin–Puplett interferometer measures the difference between the powers of two input beams.^[1] It is similar to a Michelson interferometer, except in a Martin Puplett interferometer the beam splitters are wire grid polarizers instead of half-silvered mirrors, and mirrors in the beam path are rooftop mirrors to flip the polarization of the light reflecting off of them by 90 degrees.^[2] Martin–Puplett interferometers are set up with two input ports and two output ports.

The configuration was proposed by Derek Martin and Edward Puplett in 1970.^[3]

References

^ "Martin–Puplett Interferometer", World of Science, Wolfram Research
^ Britt Reichborn-Kjennerud (July 2004). "Following the Polarization of a Martin-Puplett Interferometer" (PDF). Columbia University. Archived from the original (PDF) on 2011-07-19. Retrieved 2011-02-24.
^ Martin, D.H.; Puplett, E. (1970). "Polarised interferometric spectrometry for the millimetre and submillimetre spectrum". Infrared Physics. 10 (2): 105–109. Bibcode:1970InfPh..10..105M. doi:10.1016/0020-0891(70)90006-0.

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[1] "Martin–Puplett Interferometer", World of Science, Wolfram Research

[reichborn04-2] Britt Reichborn-Kjennerud (July 2004). "Following the Polarization of a Martin-Puplett Interferometer" (PDF). Columbia University. Archived from the original (PDF) on 2011-07-19. Retrieved 2011-02-24.

[3] Martin, D.H.; Puplett, E. (1970). "Polarised interferometric spectrometry for the millimetre and submillimetre spectrum". Infrared Physics. 10 (2): 105–109. Bibcode:1970InfPh..10..105M. doi:10.1016/0020-0891(70)90006-0.

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