Study on effect of optical wavelength on photo induced strain sensitivity in carbon nanotubes using fiber Bragg grating
Data(s) |
2015
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Resumo |
In this work, the role of optical wavelength on the photo induced strain in carbon nanotubes (CNT) is probed using a Fiber Bragg Grating (FBG), upon exposure to infrared (IR) (21 mu epsilon mW(-1)) and visible (9 mu epsilon mW(-1)) radiations. The strain sensitivity in CNT is monitored over a smaller range (10(-3) to 10(-9) epsilon) by exposing to a low optical power varying in the range 10(-3) to 10(-6) W. In addition, the wavelength dependent response and recovery periods of CNT under IR (tau(rise) = 150 ms, tau(fall) = 280 ms) and visible (tau(rise) = 1.07 s, tau(fall) = 1.18 s) radiations are evaluated in detail. This study can be further extended to measure the sensitivity of nano-scale photo induced strains in nano materials and opens avenues to control mechanical actuation using various optical wavelengths. |
Formato |
application/pdf |
Identificador |
http://eprints.iisc.ernet.in/51943/1/Jou_of_Phy_D_App_Phy_48-27_275502_2015.pdf Shivananju, BN and Asokan, S and Misra, Abha (2015) Study on effect of optical wavelength on photo induced strain sensitivity in carbon nanotubes using fiber Bragg grating. In: JOURNAL OF PHYSICS D-APPLIED PHYSICS, 48 (27). |
Publicador |
IOP PUBLISHING LTD |
Relação |
http://dx.doi.org/10.1088/0022-3727/48/27/275502 http://eprints.iisc.ernet.in/51943/ |
Palavras-Chave | #Others #Instrumentation and Applied Physics (Formally ISU) |
Tipo |
Journal Article PeerReviewed |