16 September 2014 Waveguides in colloidal nanosuspensions
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We present and discuss a set of experiments based on the application of the nonlinear properties of colloidal nanosuspensions to induce waveguides with a high‐power CW laser beam (wavelength 532nm) and its use for controlling an additional probe beam. The probe is a CW laser of a different wavelength (632nm), whose power is well below the critical value to induce nonlinear effects in the colloidal medium. We also discuss a technique for the characterization of the induced waveguides.
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Luis A. López-Peña, Luis A. López-Peña, Yadira Salazar-Romero, Yadira Salazar-Romero, Roland A. Terborg, Roland A. Terborg, Juan Hernández-Cordero, Juan Hernández-Cordero, Juan P. Torres, Juan P. Torres, K. Volke-Sepúlveda, K. Volke-Sepúlveda, } "Waveguides in colloidal nanosuspensions", Proc. SPIE 9164, Optical Trapping and Optical Micromanipulation XI, 916429 (16 September 2014); doi: 10.1117/12.2064341; https://doi.org/10.1117/12.2064341

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