Published December 15, 2002
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Journal Article
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Perdeuterated cyanobiphenyl liquid crystals for infrared applications
Chicago
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Abstract
Perdeuterated 4'-pentyl-4-cyanobiphenyl (D5CB) was synthesized and its physical properties evaluated and compared to those of 5CB. D5CB retains physical properties similar to those of 5CB, such as phase transition temperatures, dielectric constants, and refractive indices. An outstanding feature of D5CB is that it exhibits a much cleaner and reduced infrared absorption. Perdeuteration, therefore, extends the usable range of liquid crystals to the mid infrared by significantly reducing the absorption in the near infrared, which is essential for telecom applications.
Additional Information
©2002 American Institute of Physics. (Received 26 July 2002; accepted 18 September 2002) The UCF group is supported by AFOSR under Contract No. F49620-01-1-0377. The authors are thankful to Dr. C. J. Wang and Vicky Wen for technical assistance.Files
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