期刊
REVIEW OF SCIENTIFIC INSTRUMENTS
卷 84, 期 9, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.4819742
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资金
- CiSTUP, IISc
- DST, under the Centre for Strategic Initiatives
- Robert Bosch Centre for Cyber Physical Systems, IISc
We have demonstrated novel concept of utilizing the photomechanical actuation in carbon nanotubes (CNTs) to tune and reversibly switch the Bragg wavelength. When fiber Bragg grating coated with CNTs (CNT-FBG) is exposed externally to a wide range of optical wavelengths, e. g., ultraviolet to infrared (0.2-200 mu m), a strain is induced in the CNTs which alters the grating pitch and refractive index in the CNT-FBG system resulting in a shift in the Bragg wavelength. This novel approach will find applications in telecommunication, sensors and actuators, and also for real time monitoring of the photomechanical actuation in nanoscale materials. (C) 2013 AIP Publishing LLC.
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