Saravanamuttu, Kalai - McMaster University - Department of Chemistry & Chemical Biology

个人简介

B.Sc. (Hons) 1996; PhD 2001, Department of Chemistry, McGill University Post-doctoral fellow (FCAR scholarship): University of Oxford, 2001-2003

研究领域

Nonlinear Forms of Laser Beams and White Light We study light-induced perturbations and nonlinear waveforms of laser light and white light in photochemical systems. Our work is distinctive because it focuses on chemical reactions, which offer molecular-level control over the macroscopic optical response of the medium, for example through changes in refractive index. Functional Optical Materials and Microstructure By combining photochemistry and optics, we devise new strategies to address a principal goal of photonics research – to precisely control and manipulate light beams propagating in 3-D microstructures. Optochemical Organization We develop routes to 2-D, 3-D optical and microstructural lattices through mechanisms that marry the elegant spontaneity of self-organisation to the precision and directionality of directed-beam lithography. Unlike any other known self-organised structures, the resulting lattices are composed of multimode, polychromatic cylindrical polymer waveguides.

近期论文

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J. Guo, J. T. Sheridan* and K. Saravanamuttu*, “Collective dynamics of populations of weakly correlated filaments of incoherent white light”, J. Opt. 15, 035201-0352206 (2013) Featured on journal cover. K. Kasala and K. Saravanamuttu*, “Optochemical self-organization in a spatially modulated incandescent field: a single-step route to black and bright polymer lattices”, Langmuir 29, 1221-1227 (2013) M. R. Ponte, R. Welch and K. Saravanamuttu*, “An optochemically self-organized nonlinear waveguide lattice with primitive cubic symmetry”, Opt. Express 4, 4205-4214 (2013) L. Qiu and K. Saravanamuttu*, “Modulation instability of incandescent light in a photopolymer doped with Ag nanoparticles”, J. Opt. 14, 125202-1-125202-13 (2012) K. Kasala and K. Saravanamuttu*, “A black beam borne by an incandescent field self-traps in a photopolymerizing medium”, J. Am. Chem. Soc. 134, 14195–14200 (2012) Featured in Chemistry World (RSC); highlighted in Editor’s Choice, Science. K. Kasala and K. Saravanamuttu*, “Coaxial self-trapping of white and gray regions of an incandescent field: a bright core with a dark cladding” (invited submission), accepted, Physics Research International, special issue “Advances in Novel Optical Materials and Devices”, (2012). doi:10.1155/2012/798906 A. B. Villafranca and K. Saravanamuttu*, “Diversity and slow dynamics of diffraction rings: a comprehensive study of spatial self-phase modulation in a photopolymer”, J. Opt. Soc. Am. B, 29, 2357-2372 (2012) K. Kasala and K. Saravanamuttu*, “Optochemical self-organisation of white light in a photopolymerisable gel: a single-step route to intersecting and interleaving 3-D optical and waveguide lattices”, J. Mater. Chem., 22, 12281-12287 (2012) L. Qiu and K. Saravanamuttu*, “Optical self-trapping in a photopolymer doped with Ag nanoparticles: a single-step route to metallodielectric cylindrical waveguides”, J. Opt. Soc. Am. B, 29, 1085-1093 (2012) A. B. Villafranca and K. Saravanamuttu*, “Spontaneous and sequential transitions of a Gaussian beam into diffraction rings, single ring and circular array of filaments in a photopolymer”, Opt. Express 19, 15560-15573 (2011) K. Saravanamuttu*, “Nonlinear light propagation in photopolymers: from self-trapped beams to 3-D optical lattices”, Photons, Technical Review of the Canadian Institute for Photonics Innovation, 9, 14-18, (2011) A. B. Villafranca and K. Saravanamuttu*, “Diffraction rings due to spatial self-phase modulation in a photopolymerizable medium”, J. Opt. A: Pure Appl. Opt. 11, 125202-125208, (2009) L. Qiu, J. Franc, A. Rewari, D. Blanc and K. Saravanamuttu*, “Photolytic formation of Ag nanoparticles in oligomeric organosiloxanes: new photolithographic routes to metallodielectric microperiodic structures”, J. Mater. Chem. 19, 373-378, (2009) J. Zhang and K. Saravanamuttu*, “Nonlinear propagation of incoherent white light in a photopolymerizable medium: evidence of the co-existence and competition between spontaneous pattern formation and self-trapping”. J. Mat. Sci.: Materials in Electronics, 20, S380–S384, (2009) A. B. Villafranca and K. Saravanamuttu*, “Dynamics of self-trapped coherent beams and the evolution of their modal structure in photopolymerizable media”, J. Phys. Chem. C, 112, 17388–17396, (2008) K. Kasala and K. Saravanamuttu*, “Interactions of mutually incoherent self-trapped beams of white light in a photopolymerisable medium”. Appl. Phys. Lett. 93, 051111-051113 (2008) I. B. Burgess, M. Ponte and K. Saravanamuttu*, “Spontaneous formation of 3-D optical and structural lattices from two orthogonal and mutually incoherent beams of white light propagating in a photopolymerisable material”. J. Mater. Chem. 18, 4133–4139 (2008) Featured on journal cover; top ten most- downloaded articles, September 2008. I. B. Burgess, W. E. Shimmell and K. Saravanamuttu*, “Spontaneous Pattern Formation Due to Modulation Instability of Incoherent White Light in a Photopolymerizable Medium”, J. Am. Chem. Soc. 129, 4738–4746 (2007) J. Zhang and K. Saravanamuttu*, “The Dynamics of Self-Trapped Beams of Incoherent White Light in a Free-Radical Photopolymerizable Medium”, J. Am. Chem. Soc. 128, 14913–14923, (2006) J. Zhang, K. Kasala, A. Rewari and K. Saravanamuttu*, “Self-trapping of spatially and temporally incoherent light in a photochemical system”, J. Am. Chem. Soc. 128, 406-407 (2006)