Application of thin-film interference coatings in infrared reflection spectroscopy of organic samples in contact with thin metal films

doi:10.1364/AO.50.00C301

Application of thin-film interference coatings in infrared reflection spectroscopy of organic samples in contact with thin metal films

Martina Reithmeier and Andreas Erbe »View Author Affiliations

Applied Optics, Vol. 50, Issue 9, pp. C301-C308 (2011)
http://dx.doi.org/10.1364/AO.50.00C301

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Abstract
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Abstract

A thin dielectric IR-transparent interlayer is introduced between an IR-transparent medium of incidence and a thin metal film. The interlayer increases the intensity of light on the metal/sample interface at certain wavenumbers. By computations, the reflectivities of the system “calcium fluoride ( ${CaF}_{2}$ )– germanium (Ge)–gold (Au) sample” are analyzed as a function of incidence angle and Ge layer thickness. Absorbance spectra with acetonitrile as a sample are recorded for different angles of incidence and polarizations and compared to computations. A characteristic feature of the absorbance spectra is the occurrence of interference fringes distributed between 1000 and $6000 {cm}^{- 1}$ , i.e., over the complete mid-IR wavelength range into the near-IR. These fringes could be used in analytical spectroscopy.

OCIS Codes
(240.6490) Optics at surfaces : Spectroscopy, surface
(300.6340) Spectroscopy : Spectroscopy, infrared
(310.4165) Thin films : Multilayer design
(310.6845) Thin films : Thin film devices and applications
(310.7005) Thin films : Transparent conductive coatings

History
Original Manuscript: July 29, 2010
Revised Manuscript: December 10, 2010
Manuscript Accepted: December 10, 2010
Published: January 24, 2011

Citation
Martina Reithmeier and Andreas Erbe, "Application of thin-film interference coatings in infrared reflection spectroscopy of organic samples in contact with thin metal films," Appl. Opt. 50, C301-C308 (2011)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-50-9-C301

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References

P. Yeh, Optical Waves in Layered Media, 2nd ed. (Wiley, 2005).
P. H. Berning and A. F. Turner, “Induced transmission in absorbing films applied to band pass filter design,” J. Opt. Soc. Am. 47, 230–239 (1957). [CrossRef]
B. V. Landau and P. H. Lissberger, “Theory of induced-transmission filters in terms of the concept of equivalent layers,” J. Opt. Soc. Am. 62, 1258–1264 (1972). [CrossRef]
I. R. Hooper, T. W. Preist, and J. R. Sambles, “Making tunnel barriers (including metals) transparent,” Phys. Rev. Lett. 97, 053902 (2006). [CrossRef] [PubMed]
See, e.g., V. P. Tolstoy, I. V. Chernyshova, and V. A. Skryshevsky, Handbook of Infrared Spectroscopy of Ultrathin Films (Wiley, 2003). [CrossRef]
N. J. Harrick, Internal Reflection Spectroscopy (Wiley, 1967).
E. Goormaghtigh, V. Raussens, and J.-M. Ruysschaert, “Attenuated total reflection infrared spectroscopy of proteins and lipids in biological membranes,” Biochim. Biophys. Acta 1422, 105–185 (1999). [PubMed]
M. Boncheva and H. Vogel, “Formation of stable polypeptide monolayers at interfaces: controlling molecular conformation and orientation,” Biophys. J. 73, 1056–1072 (1997). [CrossRef] [PubMed]
A. Erbe, R. J. Bushby, S. D. Evans, and L. J. C. Jeuken, “Tethered bilayer lipid membranes studied by simultaneous attenuated total reflectance infrared spectroscopy and electrochemical impedance spectroscopy,” J. Phys. Chem. B 111, 3515–3524 (2007). [CrossRef] [PubMed]
R. F. Aroca, D. J. Ross, and D. Concepcion, “Surface-enhanced infrared spectroscopy,” Appl. Spectrosc. 58, 324A–338A(2004). [CrossRef] [PubMed]
K. Ataka and J. Heberle, “Biochemical applications of surface-enhanced infrared absorption spectroscopy,” Anal. Bioanal. Chem. 388, 47–54 (2007). [CrossRef] [PubMed]
M. Reithmeier and A. Erbe, “Dielectric interlayers increasing the transparency of metal films for mid-infrared attenuated total reflection spectroscopy,” Phys. Chem. Chem. Phys. 12, 14798–14803 (2010). [CrossRef] [PubMed]
S. A. Ramakrishna, “Physics of negative refractive index materials,” Rep. Prog. Phys. 68, 449–521 (2005). [CrossRef]
A. Erbe, “Reflcalc,” http://home.arcor.de/aerbe/en/prog/a/reflcalc.html.
J. Lekner, Theory of Reflection, 1st ed. (Kluwer, 1987).
M. Schubert, “Polarization-dependent optical parameters of arbitrarily anisotropic homogeneous layered systems,” Phys. Rev. B 53, 4265–4274 (1996). [CrossRef]
E. D. Palik, ed., Handbook of Optical Constants of Solids(Academic, 1998), Vols. I–III.
J. E. Bertie and Z. Lan, “Liquid water-acetonitrile mixtures at 25 °C: the hydrogen-bonded structure studied through infrared absolute integrated absorption intensities,” J. Phys. Chem. B 101, 4111–4119 (1997). [CrossRef]

Anal. Bioanal. Chem.

K. Ataka and J. Heberle, “Biochemical applications of surface-enhanced infrared absorption spectroscopy,” Anal. Bioanal. Chem. 388, 47–54 (2007). [CrossRef] [PubMed]

Appl. Spectrosc.

R. F. Aroca, D. J. Ross, and D. Concepcion, “Surface-enhanced infrared spectroscopy,” Appl. Spectrosc. 58, 324A–338A(2004). [CrossRef] [PubMed]

Biochim. Biophys. Acta

E. Goormaghtigh, V. Raussens, and J.-M. Ruysschaert, “Attenuated total reflection infrared spectroscopy of proteins and lipids in biological membranes,” Biochim. Biophys. Acta 1422, 105–185 (1999). [PubMed]

Biophys. J.

M. Boncheva and H. Vogel, “Formation of stable polypeptide monolayers at interfaces: controlling molecular conformation and orientation,” Biophys. J. 73, 1056–1072 (1997). [CrossRef] [PubMed]

J. Opt. Soc. Am.

J. Phys. Chem. B

A. Erbe, R. J. Bushby, S. D. Evans, and L. J. C. Jeuken, “Tethered bilayer lipid membranes studied by simultaneous attenuated total reflectance infrared spectroscopy and electrochemical impedance spectroscopy,” J. Phys. Chem. B 111, 3515–3524 (2007). [CrossRef] [PubMed]
J. E. Bertie and Z. Lan, “Liquid water-acetonitrile mixtures at 25 °C: the hydrogen-bonded structure studied through infrared absolute integrated absorption intensities,” J. Phys. Chem. B 101, 4111–4119 (1997). [CrossRef]

Phys. Chem. Chem. Phys.

M. Reithmeier and A. Erbe, “Dielectric interlayers increasing the transparency of metal films for mid-infrared attenuated total reflection spectroscopy,” Phys. Chem. Chem. Phys. 12, 14798–14803 (2010). [CrossRef] [PubMed]

Phys. Rev. B

M. Schubert, “Polarization-dependent optical parameters of arbitrarily anisotropic homogeneous layered systems,” Phys. Rev. B 53, 4265–4274 (1996). [CrossRef]

Phys. Rev. Lett.

I. R. Hooper, T. W. Preist, and J. R. Sambles, “Making tunnel barriers (including metals) transparent,” Phys. Rev. Lett. 97, 053902 (2006). [CrossRef] [PubMed]

Rep. Prog. Phys.

S. A. Ramakrishna, “Physics of negative refractive index materials,” Rep. Prog. Phys. 68, 449–521 (2005). [CrossRef]

Other

A. Erbe, “Reflcalc,” http://home.arcor.de/aerbe/en/prog/a/reflcalc.html.
J. Lekner, Theory of Reflection, 1st ed. (Kluwer, 1987).
E. D. Palik, ed., Handbook of Optical Constants of Solids(Academic, 1998), Vols. I–III.
See, e.g., V. P. Tolstoy, I. V. Chernyshova, and V. A. Skryshevsky, Handbook of Infrared Spectroscopy of Ultrathin Films (Wiley, 2003). [CrossRef]
N. J. Harrick, Internal Reflection Spectroscopy (Wiley, 1967).
P. Yeh, Optical Waves in Layered Media, 2nd ed. (Wiley, 2005).

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[1] P. Yeh, Optical Waves in Layered Media, 2nd ed. (Wiley, 2005).

[2] P. H. Berning and A. F. Turner, “Induced transmission in absorbing films applied to band pass filter design,” J. Opt. Soc. Am. 47, 230–239 (1957). [CrossRef]

[3] B. V. Landau and P. H. Lissberger, “Theory of induced-transmission filters in terms of the concept of equivalent layers,” J. Opt. Soc. Am. 62, 1258–1264 (1972). [CrossRef]

[4] I. R. Hooper, T. W. Preist, and J. R. Sambles, “Making tunnel barriers (including metals) transparent,” Phys. Rev. Lett. 97, 053902 (2006). [CrossRef] [PubMed]

[5] See, e.g., V. P. Tolstoy, I. V. Chernyshova, and V. A. Skryshevsky, Handbook of Infrared Spectroscopy of Ultrathin Films (Wiley, 2003). [CrossRef]

[6] N. J. Harrick, Internal Reflection Spectroscopy (Wiley, 1967).

[7] E. Goormaghtigh, V. Raussens, and J.-M. Ruysschaert, “Attenuated total reflection infrared spectroscopy of proteins and lipids in biological membranes,” Biochim. Biophys. Acta 1422, 105–185 (1999). [PubMed]

[8] M. Boncheva and H. Vogel, “Formation of stable polypeptide monolayers at interfaces: controlling molecular conformation and orientation,” Biophys. J. 73, 1056–1072 (1997). [CrossRef] [PubMed]

[9] A. Erbe, R. J. Bushby, S. D. Evans, and L. J. C. Jeuken, “Tethered bilayer lipid membranes studied by simultaneous attenuated total reflectance infrared spectroscopy and electrochemical impedance spectroscopy,” J. Phys. Chem. B 111, 3515–3524 (2007). [CrossRef] [PubMed]

[10] R. F. Aroca, D. J. Ross, and D. Concepcion, “Surface-enhanced infrared spectroscopy,” Appl. Spectrosc. 58, 324A–338A(2004). [CrossRef] [PubMed]

[11] K. Ataka and J. Heberle, “Biochemical applications of surface-enhanced infrared absorption spectroscopy,” Anal. Bioanal. Chem. 388, 47–54 (2007). [CrossRef] [PubMed]

[12] M. Reithmeier and A. Erbe, “Dielectric interlayers increasing the transparency of metal films for mid-infrared attenuated total reflection spectroscopy,” Phys. Chem. Chem. Phys. 12, 14798–14803 (2010). [CrossRef] [PubMed]

[13] S. A. Ramakrishna, “Physics of negative refractive index materials,” Rep. Prog. Phys. 68, 449–521 (2005). [CrossRef]

[14] A. Erbe, “Reflcalc,” http://home.arcor.de/aerbe/en/prog/a/reflcalc.html.

[15] J. Lekner, Theory of Reflection, 1st ed. (Kluwer, 1987).

[16] M. Schubert, “Polarization-dependent optical parameters of arbitrarily anisotropic homogeneous layered systems,” Phys. Rev. B 53, 4265–4274 (1996). [CrossRef]

[17] E. D. Palik, ed., Handbook of Optical Constants of Solids(Academic, 1998), Vols. I–III.

[18] J. E. Bertie and Z. Lan, “Liquid water-acetonitrile mixtures at 25 °C: the hydrogen-bonded structure studied through infrared absolute integrated absorption intensities,” J. Phys. Chem. B 101, 4111–4119 (1997). [CrossRef]

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Application of thin-film interference coatings in infrared reflection spectroscopy of organic samples in contact with thin metal films