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Journal of the Optical Society of America B

Journal of the Optical Society of America B


  • Vol. 18, Iss. 7 — Jul. 1, 2001
  • pp: 908–912

Absorption and scattering in low-loss polymer optical waveguides

Claire Pitois, Anders Hult, and Dorothea Wiesmann  »View Author Affiliations

JOSA B, Vol. 18, Issue 7, pp. 908-912 (2001)

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The absolute absorption spectra of low-loss optical waveguides, together with their intrinsic and extrinsic scatterings, were measured in the near infrared. Photothermal deflection spectroscopy was used to measure the full absorption spectra of a series of fluorinated cross-linked polymers. Assignment of —CH3, —CH2—, and —OH overtones as well as of combinations of overtones were made by use of the theory of anharmonic vibrations based on a Morse potential for local modes. Details of the molecular potential are given. The total attenuation in slab waveguides made with these polymers was measured by a prism-coupling technique and compared with the absolute absorption. Losses that are due to the material itself and those that are due to the processing are quantified.

© 2001 Optical Society of America

OCIS Codes
(060.4510) Fiber optics and optical communications : Optical communications
(160.5470) Materials : Polymers
(250.5460) Optoelectronics : Polymer waveguides
(290.0290) Scattering : Scattering
(300.1030) Spectroscopy : Absorption

Claire Pitois, Anders Hult, and Dorothea Wiesmann, "Absorption and scattering in low-loss polymer optical waveguides," J. Opt. Soc. Am. B 18, 908-912 (2001)

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