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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 38, Iss. 6 — Feb. 20, 1999
  • pp: 966–971

Heat-resistant flexible-film optical waveguides from fluorinated polyimides

Tohru Matsuura, Junya Kobayashi, Shinji Ando, Tohru Maruno, Shigekuni Sasaki, and Fumio Yamamoto  »View Author Affiliations


Applied Optics, Vol. 38, Issue 6, pp. 966-971 (1999)
http://dx.doi.org/10.1364/AO.38.000966


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Abstract

Heat-resistant flexible-film optical waveguides were fabricated from fluorinated polyimides. These waveguides operated in single mode and had low optical loss (0.3 dB/cm) at a wavelength of 1.3 µm for TE and TM polarizations. They also had good flexibility: The optical loss did not significantly change above a minimum radius of curvature of less than 20 mm. The birefringence of 9 × 10-5 between the TE and TM polarizations is 2 orders of magnitude smaller than that for a waveguide upon a substrate. Moreover, these waveguides had high thermal stability and moisture resistance: The optical loss and single-mode behavior changed little after heating the waveguides at 420 °C for 1 h or after their exposure to 85% relative humidity at 85 °C for more than 350 h.

© 1999 Optical Society of America

OCIS Codes
(130.0130) Integrated optics : Integrated optics
(230.7370) Optical devices : Waveguides

History
Original Manuscript: July 6, 1998
Revised Manuscript: November 6, 1998
Published: February 20, 1999

Citation
Tohru Matsuura, Junya Kobayashi, Shinji Ando, Tohru Maruno, Shigekuni Sasaki, and Fumio Yamamoto, "Heat-resistant flexible-film optical waveguides from fluorinated polyimides," Appl. Opt. 38, 966-971 (1999)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-38-6-966

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