Craig Arnold
Associate Professor
Ph. D. (physics) Harvard University (2000)
ONR Young Investigators Award (2005), NSF Career Award (2006)
Profile
Research in the Arnold group primarily focuses on laser processing and transport in materials with particular emphasis on shaping laser-material interactions. We strive to develop a deep understanding of the fundamental materials and optical physics, in order to have a direct impact on applications at the frontiers of technology in fields ranging from energy to biology and imaging to nanoscience. Key examples of our work in this area include the research and development of optical trap assisted direct-write nanopatterning (Trap and Zap), the tunable acoustic gradient index of refraction (TAG) lens for high-speed varifocal imaging and materials processing, laser direct-write printing for complex materials in biological and energy applications, and solution based printing methods of chalcogenide glass for mid-infrared photonic applications. The research is primarily experimental in nature with a mix of fundamental and applied projects.
Principal Research Efforts include:
- TAG lens adaptive optics for imaging and materials processing
- Bessel beam optical trap assisted near field laser direct-write nanopatterning
- Fundamentals of laser forward transfer and "On-the-fly" materials modification
- Photo-modifiable materials and processing for mid-infrared photonics
- Relations between mechanical properties and electrochemical performance in energy storage applications
- Laser surface texturing for biological surfaces
Recent Publications
E. McLeod and C. B. Arnold, “Subwavelength direct-write nanopatterning using optically trapped microspheres,” Nature Nanotechnology 3, 413-417(2008)
J. Chen, W. O. Soboyejo, C. B. Arnold, and A. Esta, “An investigation of the initial attachment and orientation of osteoblast-like cells on laser grooved Ti-6Al-4V surfaces,” Submitted, Mat. Sci. Eng. C. (2008)
A. Mermillod-Blondin, E. McLeod, and C. B. Arnold, “High-speed varifocal imaging with a tunable acoustic gradient index of refraction lens,” In Press, Opt. Lett (2008)
A. Mermillod-Blondin, E. McLeod, and C. B. Arnold,“Dynamic pulsed-beam shaping using a TAG lens in the near UV,” Appl. Phys. A. 93, 231-234 (2008)
A. Y. Fasasi, S. Mwenifumbo, N. Rahbar, J. Chen, M. Li, A. C. Beye, C. B. Arnold, and W. O. Soboyejo, “Nanosecond UV laser processed microgrooves on Ti6Al4V for biomedical applications,” In Press, Mat. Sci. Eng. C , (2008). available online at Elsevier doi: 10.1016/j.msec.2008.05.002
E. McLeod and C. B. Arnold, “Optical analysis of time-averaged multiscale Bessel beams generated by a tunable acoustic gradient index of refraction lens,” Appl. Opt. 47, 3609-3618 (2008)
C. B. Arnold and E. McLeod, “A new approach to adaptive optics for materials processing: Acousto-optic beam shaping brings a new dimension to adaptive optics” Photonics Spectra, 41(11),78-84 (2007)(Invited)
N. Kattamis, P. Purnick, R. Weiss, and C. B. Arnold, “Thick-film laser induced forward transfer for deposition of thermally and mechanically delicate materials,” Appl Phys. Lett., 91, 171120 (2007)
C. B. Arnold and A. Piqué, “Laser Direct-write Processing,” MRS Bulletin, 32, 9-11 (2007)
C. B. Arnold, P. Serra, and A. Piqué, “Laser direct-write of complex materials,” MRS Bulletin, 32 23-31 (2007)
