Technology for Polarization Measurement

PM IRRAS

PM-IRRAS stands for Polarization Modulation Infrared Reflection-Absorption Spectroscopy. It is the differential IR absorption between the s- and p-linearly polarized light for the molecules adsorbed on a metal surface.

SETUP

    T4_2-1-12_A

  • PEM setting: half-wave retardation (λ/2)
  • Polarization modulation: between s-, and p- polarization
  • Lock-in reference: PEM’s 2nd harmonic (2f)

APPLICATIONS

In surface science, analytical chemistry, biochemistry, and electrochemistry
 

TYPICAL PEMs

II/ZS50
II/ZS37
 

FURTHER READING

W. G. Golden and D. D. Saperstein, "Fourier transform infrared reflection-absorption spectroscopy of surface species", J. Elect. Spect. and Rel. Phen. 30, 43 (1983)

A. E. Dowrey and C. Marcott, Appl. Spectrosc.36, 414 (1982)

M. J. Green, B. J. Barner and R. M. Corn, "Real-time sampling electronics for double modulation experiments with Fourier transform infrared spectrometers", Rev. Sci. Instru. 62, 1426 (1991)

D. Blaudez, T. Buffeteau, J.C. Cornut, B. Desbat, N. Escafre, M. Pezolet, and J.M. Turlet, "Polarization modulation FTIR spectroscopy at the air-water interface", Thin Solid Films, 242, 146 (1994)

R. Mendelsohn, J.W. Brauner and A. Gericke, "External Infrared Reflection Absorption Spectrometry of Monolayer Films at the Air-Water Interface", Annu. Rev. Phys. Chem. 46, 305 (1995)
 
 
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