9 February 2009 Experimental study on the white light continuum induced by interaction of femtosecond pulse with PMMA
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Abstract
With the rapid development of micro optoelectronic device and integration techniques in PMMA fiber, micro-structure integration in PMMA fiber such as diffraction gratings graved by focusing fslaser inside the PMMA fiber is becoming popular. However, the white light induced by interaction of femtosecond pulse with PMMA has a property that is similar to laser beam has been founded, and generated a continuous spectrum from ultraviolet to infrared. Ti:sapphire femtosecond laser systems with 1kHz, 45fs, 1mJ were used to get the white continuum spectrum in PMMA . The white continuum spectrum from 440nm to1100nm has been recorded. Also White light filament induced by fslaser at lower thredhold power inside the PMMA than others , and this white light filaments will damage the PMMA fiber and induce refractive-index change so as to affect micro optoelectronic device and integration techniques application in PMMA fiber.
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Wei-Bo Wang, Wei-Bo Wang, Yuan-Qin Xia, Yuan-Qin Xia, De-Ying Chen, De-Ying Chen, Rong-Wei Fan, Rong-Wei Fan, "Experimental study on the white light continuum induced by interaction of femtosecond pulse with PMMA", Proc. SPIE 7158, 2008 International Conference on Optical Instruments and Technology: Microelectronic and Optoelectronic Devices and Integration, 71581J (9 February 2009); doi: 10.1117/12.812014; https://doi.org/10.1117/12.812014
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