NDLI: Structure-property relationship of fluorinated co-poly(arylene ether sulfide)s and co-poly(arylene ether sulfone)s for low-loss and low-birefringence waveguide devices

Content Provider	IEEE Xplore Digital Library
Author	Jae-Wook Kang Jae-Pil Kim Jae-Suk Lee Jang-Joo Kim
Copyright Year	1983
Abstract	Optical properties such as refractive index, birefringence, thermal stability, and optical loss of fluorinated co-poly(arylene ether sulfide)s and co-poly(arylene ether sulfone)s were investigated, and they are related to the molecular structure of the polymers. The refractive index of the optical polymers varies in the range of 1.51/spl sim/1.60, and its variation is well described by a Lorentz-Lorenz equation. Their birefringence varies between 0.0027/spl sim/0.0039 for the sulfides series and between 0.0009/spl sim/0.0025 for the sulfone series at a 1.55-/spl mu/m wavelength, respectively. The birefringence is analyzed based on the microscopic anisotropic ratio of the polarizability of the molecular repeating unit resulting in good linear relationship between them within the polymer groups. This result implies that the molecular calculation can be utilized to design polymers with low birefringence. The propagation losses of the optical polymers were 0.1/spl sim/0.3 and 0.2/spl sim/0.5 dB/cm at the wavelength of 1.3 and 1.55 /spl mu/m, respectively. The optical losses are inversely proportional to fluorine content. The polymers have good thermal stability upon long-term thermal stress at 100/spl deg/C for 1000 h and short-term thermal stress at 300/spl deg/C for 1 h.
Sponsorship	IEEE Lasers and Electro-Optics Society Optical Society of America
Starting Page	364
Ending Page	373
Page Count	10
File Size	670838
File Format	PDF
ISSN	07338724
Volume Number	23
Issue Number	1
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2005-01-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Optical polymers Thermal stresses Birefringence Optical refraction Optical variables control Optical waveguides Refractive index Thermal stability Optical losses Optical devices thermally stable Fluorinated poly(arylene ether sulfide)s fluorinated poly(arylene ether sulfone)s low-birefringence low-loss optical polymer waveguides
Content Type	Text
Resource Type	Article
Subject	Atomic and Molecular Physics, and Optics

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