Title :
Raman spectroscopic study of silicone-based hydrogel polymers with large index changes induced by femtosecond laser micromachining
Author :
Ding, Li ; Cancado, Luiz Gustavo ; Novotny, Lukas ; Knox, Wayne H. ; Blackwell, Richard I. ; Jani, Dharmendra ; Kunzler, Jay F.
Author_Institution :
Inst. of Opt., Univ. of Rochester, Rochester, NY
Abstract :
Raman spectroscopy has been used to study the femtosecond laser micromachined regions inside silicone-based hydrogel polymers. No significant changes in the Raman spectrum are observed even when index change is as large as +0.06.
Keywords :
Raman spectra; high-speed optical techniques; laser beam machining; micromachining; polymer gels; refractive index; Balafilcon A; Raman spectroscopy; femtosecond laser micromachining; refractive index; silicone-based hydrogel polymers; Focusing; Laser transitions; Micromachining; Nonlinear optics; Optical materials; Optical pulse generation; Polymers; Raman scattering; Spectroscopy; Ultrafast optics; (160.5470) Polymers; (300.6450) Spectroscopy, Raman; (320.2250) Femtosecond phenomena;
Conference_Titel :
Lasers and Electro-Optics, 2008 and 2008 Conference on Quantum Electronics and Laser Science. CLEO/QELS 2008. Conference on
Conference_Location :
San Jose, CA
Print_ISBN :
978-1-55752-859-9