An all-optical polymer fiber cantilever

Mark G. Kuzyk; Shaoping Bian; Dirk Robinson

doi:10.1117/12.678596

14 September 2006 An all-optical polymer fiber cantilever

Mark G. Kuzyk, Shaoping Bian, Dirk Robinson

Proceedings Volume 6331, Linear and Nonlinear Optics of Organic Materials VI; 63310T (2006) https://doi.org/10.1117/12.678596
Event: SPIE Optics + Photonics, 2006, San Diego, California, United States

Abstract

There is a long history of using light to change the shape of a material. More than a decade ago, our group proposed and demonstrated that the length of an optical fiber should change due to a guided mode in analogy to the refractive index change due to the Optical Kerr Effect. The mechanisms that we postulated as being responsible included photothermal heating and photoisomerization. In the present studies, we report on a polymer optical fiber cantilever, which is excited by launching a light beam off-axis into the fiber. In measurements of the degree of bending as a function of time after the light beam is turned on or turned off, we find that there are two distinct time responses, each of different magnitude. We show that the dynamics of photobending is consistent with coupling between the photothermal heating and photoisomerization mechanisms. More interestingly, we find that a collective release of stress must be invoked to describe the observations. We propose new kinetic models of the phenomena, and show that they are consistent with the data.

Citation Download Citation

Mark G. Kuzyk, Shaoping Bian, and Dirk Robinson "An all-optical polymer fiber cantilever", Proc. SPIE 6331, Linear and Nonlinear Optics of Organic Materials VI, 63310T (14 September 2006); https://doi.org/10.1117/12.678596

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