Giving to CREOL
CREOL, The College of Optics & Photonics
Joel Hales

CREOL Alum: Joel Hales

Education
2004 PhD in Optics, advisor: Eric W. Van Stryland & David J. Hagan
2000 MS in Optics, advisor: David J. Hagan & Eric W. Van Stryland

Employment
1998 - 2004: Graduate Research Assistant, University of Central Florida, College of Optics & Photonics
Current Position: Postdoctoral Fellow, Georgia Institute of Technology
 
Publications
2016
T.R. Ensley, H.H. Hu, M. Reichert, M.R. Ferdinandus, D. Peceli, J.M. Hales, J.W. Perry, Z.A. Li, S.H. Jang, A.K.Y. Jen, S.R. Marder, D.J. Hagan, and E.W. Van Stryland
"Quasi-three-level model applied to measured spectra of nonlinear absorption and refraction in organic molecules"
Journal Of The Optical Society Of America B - Optical Physics, 33(4), pp.780-796
2016
T.R. Ensley, H.H. Hu, M. Reichert, M.R. Ferdinandus, D. Peceli, J.M. Hales, J.W. Perry, Z.A. Li, S.H. Jang, A.K.Y. Jen, S.R. Marder, D.J. Hagan, and E.W. Van Stryland
"Quasi-three-level model applied to measured spectra of nonlinear absorption and refraction in organic molecules (vol 33, pg 780, 2016)"
Journal Of The Optical Society Of America B - Optical Physics, 33(5), pp.1007-1007
2015
H. Hu, T.R. Ensley, M. Reichert, M.R. Ferdinandus, D. Peceli, O.V. Przhonska, S.R. Marder, A. K-Y Jen, J.M. Hales, J.W. Perry, D.J. Hagan, & E.W. Van Stryland
"Optimization of the Electronic Third-order Nonlinearity of Cyanine-like Molecules for All Optical Switching"
Photonics West, San Francisco, January
2015
H. Hu, T.R. Ensley, M. Reichert, M.R. Ferdinandus, D. Peceli, O.V. Przhonska, S.R. Marder, A. K-Y Jen, J.M. Hales, J.W. Perry, D.J. Hagan, & E.W. Van Stryland
"Optimization of the electronic third-order nonlinearity of cyanine-like molecules for all optical switching"
Photonics West, San Francisco
2015
H. Hu, T.R. Ensley, M. Reichert, M.R. Ferdinandus, D. Peceli, O.V. Przhonska, S.R. Marder, A. K-Y Jen, J.M. Hales, J.W. Perry, D.J. Hagan, E.W. Van Stryland
"Optimization of the electronic third-order nonlinearity of cyanine-like molecules for all optical switching"
SPIE Photonics West, Invited
2013
Yulia A. Getmanenko, Joel M. Hales, Mihaela Balu, Jie Fu, Egbert Zojer, Ohyun Kwon, Jeffrey Mendez, S. Thayumanavan, Gregory Walker, Qing Zhang, Scott D. Bunge, Jean-Luc Bredas, David J. Hagan, Eric W. Van Stryland, Stephen Barlow and Seth R. Marder
"Characterisation of a dipolar chromophore with third-harmonic generation applications in the near-IR"
J. Mater. Chem., 22, 4371(2012).
2013
T. R. Ensley, H. Hu, J. M. Hales, H. Kim, J. W. Perry, A. R. Ernst, C. Fuentes-Hernandez, A. Dindar, B. Kippelen, D. J. Hagan, and E. W. Van Stryland
"Nonlinear characterization of thin films by the Dual-Arm Z-scan Method"
Frontiers in Optics , OSA Technical Digest (online) Optical Society of America, Orlando, Florida, FW1A.7
2011
Getmanenko, YA; Hales, JM; Balu, M; Fu, J; Zojer, E; Kwon, O; Mendez, J; Thayumanavan, S; Walker, G; Zhang, Q; Bunge, SD; Bredas, JL; Hagan, DJ; Van Stryland, EW; Barlow, S; Marder, SR
"Characterisation of a dipolar chromophore with third-harmonic generation applications in the near-IR "
Journal Of Materials Chemistry 22(10), pp.4371-4382
2006
Bhaskar A, Ramakrishna G, Lu ZK, et al.
"Investigation of two-photon absorption properties in branched alkene and alkyne chromophores"
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY 128 (36): 11840-11849
2006
Morales AR, Belfield KD, Hales JM, et al.
"Synthesis of two-photon absorbing unsymmetrical fluorenyl-based chromophores"
CHEMISTRY OF MATERIALS 18 (20): 4972-4980
2005
Balu M, Hales J, Hagan DJ, et al.
"Dispersion of nonlinear refraction and two-photon absorption using a white-light continuum Z-scan"
OPTICS EXPRESS 13 (10): 3594-3599
2005
Belfield KD, Yao S, Morales AR, et al.
"Synthesis and characterization absorbing polymers of novel rigid two-photon"
POLYMERS FOR ADVANCED TECHNOLOGIES 16 (2-3): 150-155 Sp. Iss. SI
2004
Joel Hales
"Chemical structure-nonlinear optical property relationships for a series of two-photon absorbing fluorene molecules "
PhD Dissertation, CREOL, The College of Optics and Photonics
2004
Belfield KD, Morales AR, Hales JM, et al.
"Linear and two-photon photophysical properties of a series of symmetrical diphenylaminofluorenes"
CHEMISTRY OF MATERIALS 16 (11): 2267-2273
2004
Lepkowicz RS, Przhonska OV, Hales JM, et al.
"Nature of the electronic transitions in thiacarbocyanines with a long polymethine chain"
CHEMICAL PHYSICS 305 (1-3): 259-270
2004
Hales JM, Hagan DJ, Van Stryland EW, et al.
"Resonant enhancement of two-photon absorption in substituted fluorene molecules"
JOURNAL OF CHEMICAL PHYSICS 121 (7): 3152-3160
2004
Belfield KD, Morales AR, Kang BS, et al.
"Synthesis, characterization, and optical properties of new two-photon-absorbing fluorene derivatives"
CHEMISTRY OF MATERIALS 16 (23): 4634-4641
2004
Schafer KJ, Hales JM, Balu M, et al.
"Two-photon absorption cross-sections of common photoinitiators"
JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY 162 (2-3): 497-502
2004
Balu M, Hales J, Hagan DJ, et al.
"White-light continuum Z-scan technique for nonlinear materials characterization"
OPTICS EXPRESS 12 (16): 3820-3826
2003
Lepkowicz, R. S.; Przhonska, O. V.; Hales, J. M.; Hagan, D. J.; Van Stryland, E. W.; Bondar, M. V.; Slominsky, Y. L.; Kachkovski, A. D.
"Excited-state absorption dynamics in polymethine dyes detected by polarization-resolved pump-probe measurements"
Chemical Physics. 286(2-3) 277-291
2003
Negres, R. A.; Hales, J. M.; Kobyakov, A.; Hagan, D. J.; Van Stryland, E. W.
"Experiment and analysis of two-photon absorption spectroscopy using a white-light continuum probe (vol 38, pg 1205, 2002)"
Ieee Journal of Quantum Electronics. 39(2) 392-392
2002
Negres, R. A.; Hales, J. M.; Hagan, D. J.; Van Stryland, E. W.
"Experiment and analysis of two-photon absorption spectroscopy using a white-light continuum probe"
Ieee Journal of Quantum Electronics. 38(9) 1205-1216
2002
J. Hales, K. J. Schafer, A. M. Morales, K. D. Belfield, D. J. Hagan, and E. W. Van Stryland
"Nonlinear optical characterization for a set of fluorene push-pull chromophores"
Crystalline Materials and Technologies”, 709, 219-228
2002
Raluca Negres, Joel Hales, Andrey Kobyakov, David Hagan, and Eric Van Stryland
"Two-Photon Spectroscopy and Analysis with a White-Light Continuum Probe"
Optics Letters, 27, 270-272
2001
Van Stryland, E.; Negres, R.; Hales, J.; Hagan, D.
"Femtosecond sources solve a higher-order problem"
Laser Focus World. 37(8) S22-+
2001
Belfield, K. D.; Andrasik, S.; Schafer, K. J.; Yavuz, O.; Hales, J. M.; Van Stryland, E. W.
"Maleic Anhydride-Modified Polymers for Two-Photon Upconverted Fluorescence"
Polymeric Materials: Science and Engineering 2001, 84, 732-733
2001
Belfield, K. D.; Andrasik, S.; Schafer, K. J.; Yavuz, O.; Hales, J. M.; Van Stryland, E. W.
"Maleic anhydride-modified polymers for two-photon upconverted fluorescence."
Abstracts of Papers of the American Chemical Society. 221U418-U418
2000
Hales, J.; Zhukov, A.; Roy, R.; Dykman, M. I.
"Dynamics of activated escape and its observation in a semiconductor laser"
Physical Review Letters. 85(1) 78-81
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