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CREOL, The College of Optics & Photonics
Trenton Ensley

CREOL Alum: Trenton Ensley

Education
2015 PhD in Optics, advisor: David J. Hagan
2009 MS in Optics, advisor: David J. Hagan
2009 M.S. in Optics at University of Central Florida
2006 B.S. in Physics / Mathematics at University of Memphis

Employment
Current Position: Engineer, Army Research Lab, Adelphi, MD
2015 - 2015: Research Scientist, University of Central Florida, College of Optics & Photonics
2009 - 2009: REU 2005, Georgia Tech
2007 - 2015: Graduate Research Assistant, University of Central Florida, College of Optics & Photonics
2006 - 2006: REU 2006, University of Central Florida, College of Optics & Photonics
 
Awards & Honors
2013 University of Central Florida’s Graduate Research Excellence Fellowship
2004 Tennessee HOPE Scholarship
2003 University of Memphis Distinguished Afro-American Scholarship
2003 Tabernacle Baptist Church (Nashville, TN) Scholarship Recipient
2003 A.J. Saffell Memorial Scholarship Recipient
2003 100 Black Men, Inc. Scholars Program
 
Biography
Trenton Ensley obtained his PhD from CREOL, the College of Optics & Photonics, in Spring 2015. His PhD Dissertation title was "White light continuum for broadband nonlinear spectroscopy." He obtained his B.S. in Dec. 2006 from the University of Memphis, Memphis, TN with a dual degree in Physics and Mathematical Sciences and his M.S. in Optics from CREOL in 2009.
 
Publications
2016
M. Reichert, P. Zhao, J.M. Reed, T.R. Ensley, D.J. Hagan, and E.W. Van Stryland
"Beam deflection measurement of bound-electronic and rotational nonlinear refraction in molecular gases: erratum"
Optics Express, Vol. 24, Issue 17, pp. 19122-19122 (2016)
2016
V.L. Tassev, S.R. Vangala, R.D. Peterson, M.M. Kimani, M. Snure, R.W. Stites, S. Guha, J.E. Slagle, T.R. Ensley, A.A. Syed, and I.V. Markov
"Heteroepitaxial growth of OPGaP on OPGaAs for frequency conversion in the IR and THz"
Optical Materials Express, 6(5), pp.1724-1737
2016
Peng Zhao, Matthew Reichert, Trenton R. Ensley, William M. Shensky III, Andrew G. Mott, David J. Hagan, and Eric W. Van Stryland,
"Keynote Presentation: “Nonlinear refraction dynamics of solvents and gases”"
SPIE Photonics West, LASE LA106, Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications XV, Paper 9731-46, San Francisco, February 13-18, 2016.
2016
D.J. Hagan, T.R. Ensley, M. Reichert, M.R. Ferdinandus, H. Hu, and E.W. Van Stryland
"New methods for characterizing the nonlinear optical properties of organic materials"
13th International Conference on Frontiers of Polymers and Advanced Materials, Marrakesh, Morocco, keynote presentation
2016
P. Zhao, M. Reichert, T.R. Ensley, W.M. Shensky, A.G. Mott, D.J. Hagan, and E.W. Van Stryland
"Nonlinear refraction dynamics of solvents and gases"
SPIE 9731, Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications XV, 97310F
2016
C. Shanor, T. Ensley, D.J. Hagan, E.W. Van Stryland, E.M. Wright, and M. Kolesik
"Numerical investigation of enhanced femtosecond supercontinuum via a weak seed in noble gases"
Optics Express, 24(13), pp.15110-15119
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
2016
M. Reichert, H.H. Hu, M.R. Ferdinandus, M. Seidel, P. Zhao, T.R. Ensley, D. Peceli, J.M. Reed, D.A. Fishman, S. Webster, D.J. Hagan, and E.W. Van Stryland
"Temporal, spectral, and polarization dependence of the nonlinear optical response of carbon disulfide (vol 1, pg 436, 2014)"
Optica 3(6), pp.657-658
2016
D.J. Hagan, P. Zhao, T. Ensley, M. Reichert and E.W. Van Stryland
"The nonlinear refraction temporal response function of solvents and gases"
Southeastern Ultrafast Conference, 2016, North Carolina State University, January, invited
2016
Z. Li, P. Zhao, S. Tofighi, R. Sharma, T.R. Ensley, S.H. Jang, D.J. Hagan, E.W. Van Stryland, and A.K.Y. Jen
"Zwitterionic cyanine-cyanine salt: structure and optical properties"
Journal of Physical Chemistry C, 120(28), pp.15378-15384
2015
M. Reichert, P. Zhao, J.M. Reed, T.R. Ensley, D.J. Hagan, E.W. Van Stryland
"Beam deflection measurement of bound-electronic and rotational nonlinear refraction in molecular gases "
Optics Express 23, pp.22224-22237
2015
P. Zhao, M. Reichert, T. Ensley, D.J. Hagan, E.W. Van Stryland
"Beam deflection measurements of nondegenerate nonlinear refractive indices in direct-gap semiconductors"
CLEO, FW3D.7
2015
David J. Hagan, Trenton R. Ensley, Matthew Reichert, Eric W. Van Stryland
"Characterization of nonlinear refraction and absorption"
SPIE Pacific Rim Laser Damage Conference, Shanghai May
2015
David J. Hagan, Trenton R. Ensley, Matthew Reichert, Eric W. Van Stryland
"Characterization of nonlinear refraction and absorption (Keynote paper)"
SPIE/SIOM pacific rim laser damage conference 2015
2015
Z. Li, T.R. Ensley, H. Hu, Y. Zhang, S.H. Jang, S.R. Marder, D.J. Hagan, E.W. Van Stryland, A.K.Y. Jen
"Conjugated Polycyanines: A New Class of Materials with Large Third-Order Optical Nonlinearities"
Advanced Optical Materials, 3, pp.900–906
2015
Hagan, D. J., Ensley, T. R., Reichert, M, Ferdinandus, M, R, Hu, H. and Van Stryland, E. W.,
"New methods for characterizing the nonlinear optical properties of organic materials"
(Keynote Presentation) 13th International Conference on Frontiers of Polymers and Advanced Materials, 13th ICFAM, Marrakesh, Morocco, April 2015.
2015
D.J. Hagan, T.R. Ensley, M. Reichert, M.R. Ferdinandus, H. Hu, E.W. Van Stryland
"New methods for characterizing the nonlinear optical properties of organic materials."
13th International Conference on Frontiers of Polymers and Advanced Materials, keynote presentation
2015
R.L. Gieseking, T.R. Ensley, H.H. Hu, D.J. Hagan, C. Risko, E.W. Van Stryland, J.L. Bredas
"Nonlinear optical properties of X(C6H5)(4) (X = B-, C, N+, P+): a new class of molecules with a negative third-order polarizability"
Journal Of The American Chemical Society 137(30), pp.9635-9642
2015
P. Samuel, T.R. Ensley, H. Hu, D.J. Hagan, E.W. Van Stryland, R. Gaume
"Nonlinear refractive index measurement on pure and Nd doped YAG ceramic by dual arm Z-scan technique"
AIP Conference, Solid State Physics, 1665, 060010-1-3
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
2015
A.A. Syed, M. Reichert, T.R. Ensley, J. Pelc, D.J. Hagan, E.W. Van Stryland
"Temporal dynamics of nonlinear absorption and refraction in crystalline and hydrogenated amorphous silicon"
Nonlinear Optics, OSA Technical Digest, Kauai, Hawaii
2015
Akbar Ali Syed, Matthew Reichert, Trenton R. Ensley, Jason Pelc, David J. Hagan, Eric W. Van Stryland
"Temporal dynamics of nonlinear absorption and refraction in crystalline and hydrogenated amorphous silicon"
Temporal dynamics of nonlinear absorption and refraction in crystalline and hydrogenated amorphous silicon Akbar Ali Syed, Matthew Reichert, Trenton R. Ensley, Jason Pelc, David J. Hagan, Eric W. Van Stryland, Nonlinear Optics, OSA Technical Digest (online) (Optical Society of America), Kauai, Hawaii, 2015.
2015
T.R. Ensley
"White light continuum for broadband nonlinear spectroscopy"
PhD Dissertation, CREOL: The College of Optics & Photonics, University of Central Florida, Orlando, FL USA
2014
Matthew Reichert, Peng Zhao, Jennifer M. Reed, Trenton R. Ensley, David J. Hagan, Eric W. Van Stryland
"Beam Deflection Measurements of Transient Nonlinear Refraction from Coherent Rotational Revivals in Air"
OSA FIO (Optical Society of America, 2014), Tucson, 2014.
2014
E. Van Stryland, T. Ensley, M. Reichert, D. Hagan
"Experimental tool for nonlinear spectroscopy: absorption and refraction"
(KEYNOTE PRESENTATION) SPIE Laser Damage 2014, NIST, Boulder, CO, Sept 14-17
2014
Hagan, D. J., Ensley, T. R., Reichert, M, Ferdinandus, M, R, Hu, H. and Van Stryland, E. W.
"New methods for characterizing the nonlinear optical properties of organic materials."
13th INTERNATIONAL CONFERENCE ON FRONTIERS OF POLYMERS AND ADVANCED MATERIALS
2014
David J Hagan, Honghua Hu, Manuel R Ferdinandus, Trenton R Ensley, Matthew Reichert, Eric W Van Stryland
"New Methods for Measuring Nonlinear Refraction: Beam Deflection and Dual-Arm Z-Scan"
MRS Spring meeting, paper JJ7.02, San Francisco, April 2014.
2014
Eric W. Van Stryland, Honghua Hu, Trenton R. Ensley, Matthew C. Reichert, Manuel R. Ferdinandus, David J. Hagan,
"Nonlinear absorption and refraction spectroscopic tools"
(INVITED) SPIE Optics & Photonics, 9181, San Diego, CA, Aug. 20-21, 2014.
2014
S. Shabahang, G. Tao, M. P. Marquez, H. Hu, T. R. Ensley, P. J. Delfyett, and A. F. Abouraddy
"Nonlinear characterization of robust multimaterial chalcogenide nanotapers for infrared supercontinuum generation"
Journal of the Optical Society of America B 31, 450-457. Highlight: B. Eggleton, Spotlight on Optics, March 2014: http://www.opticsinfobase.org/spotlight/summary.cfm?uri=josab-31-3-450; selected for the Virtual Journal for Biomedical Optics 9(5), pp. 450
2014
E.W. Van Stryland, M. Reichert, M.R. Ferdinandus, H. Hu, P. Zhao, J.M. Reed, T.R. Ensley, & D.J. Hagan
"Spectroscopic Tools for Nonlinear Absorption and Refraction"
International Commission on Optics, ICO, Santiago de Compostella, Spain, August 2014.
2014
Matthew Reichert, Honghua Hu, Manuel R. Ferdinandus, Marcus Seidel, Peng Zhao, Trenton R. Ensley, Davorin Peceli, Jennifer M. Reed, Dmitry A. Fishman, Scott Webster, David J. Hagan, Eric W. Van Stryland
"Temporal, spectral, and polarization dependence of the nonlinear optical response of carbon disulfide"
Optica, Vol. 1, 436-445 (2014)
2013
H. Hu, T. R. Ensley, M. Seidel, M. Ferdinandus, M. Reichert, O. Przhonska, E. W. Van Stryland, and D. J. Hagan
"Dispersion of the electronic third-order nonlinearity of symmetric molecules"
CLEO: QELS, OSA Technical Digest (online), Optical Society of America, San Jose, CA, QM4E.1
2013
P. Samuel, H. Hu, T.R. Ensley, D. J. Hagan. E. W. Van Stryland and R. Gaume
"Femtosecond Dual-Arm Z-Scan on Ceramic and Single Crystals of YAG"
Innovations in Glass Science and Technology. Glass and Optical Materials Division Meeting: SYMPOSIUM B: Glass Technology and Cross-Cutting Topics: Ultrafast spectroscopy techniques at The 10th Pacific Rim Conference on Ceramic and Glass Technology including GOMD - Glass & Optical Materials Division Annual Meeting, paper PACRIM10-SB-010-2013 San Diego
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
2013
T. R. Ensley, H. Hu, Z. a. Li, S.-H. Jang, A. K. Y. Jen, D. J. Hagan, and E. W. Van Stryland
"Nonlinear Spectra/Dispersion of Quinolinium Dyes Using Dual-Arm Z-scan"
CLEO: QELS_Fundamental Science, OSA Technical Digest (online) (Optical Society of America, ), San Jose, CA, JW2A.47.
2013
D. Pecelli, P. Olszak, C. Cirloganu, S. Webster, L. Padilha, T. Ensley, H. Hu, G. Nootz, D. Hagan, and E. W. Van Stryland
"Three-photon absorption of GaAs and other semiconductors"
OSA Topical Conference, Nonlinear Optics, Kohala Coast, Fairmont Hotel, Hawaii, talk NTu1B.6
2013
Honghua Hu, Olga V. Przhonska, Francesca Terenziani, Anna Painelli, Dmitry Fishman, Trenton R. Ensley, Matthew Reichert, Scott Webster, Julia L. Bricks, Alexey D. Kachkovski, David J. Hagan, and Eric W. Van Stryland
"Two-photon Absorption Spectra of a Near-Infrared 2-Azaazulene Polymethine Dye: Solvation and Ground-State Symmetry Breaking"
Physical Chemistry Chemical Physics 15, 7666-7678
2012
Manuel R. Ferdinandus, Matthew Reichert, Trenton R. Ensley, Honghua Hu, Dmitry A. Fishman, Scott Webster, David J. Hagan, and Eric W. Van Stryland
"Dual-Arm Z-scan for measuring nonlinearities of solutes in solution "
IEEE, Nonlinear Photonics 2012, Colorado Springs, CO, June 17-21 2012
2012
M. R. Ferdinandus, M. Reichert, T. R. Ensley, H. Hu, D. A. Fishman, S. Webster, D. J. Hagan, and E. W. Van Stryland
"Dual-arm Z-scan technique to extract dilute solute nonlinearities from solution measurements"
Optical Materials Express, 2, pp. 1776-1790
2012
Ferdinandus, M. R.; Reichert, M.; Ensley, T. R.; Fishman, D. A.; Webster, S.; Hagan, D. J. and Van Stryland, E. W
"Measuring small solute nonlinearities in solution by dual-arm Z-Scan technique"
Frontiers in Optics, Rochester, NY, 2012.
2011
S. Ellinger, K. R. Graham, P. Shi, R. T. Farley, T. T. Steckler, R. N. Brookins, P. Taranekar, J. Mei, L. A. Padilha, T. R. Ensley, H. Hu, S. Webster, D. J. Hagan, E. W. Van Stryland, K. S. Schanze, J. R. Reynolds
"Donor-Acceptor-Donor-based pi-Conjugated Oligomers for Nonlinear Optics and Near-IR Emission"
Chemistry of Materials 23(17) pp. 3805-3817
2011
T. R. Ensley, D. A. Fishman, S. Webster, L. A. Padilha, D. J. Hagan, and E. W. Van Stryland
"Energy and Spectral Enhancement of Femtosecond Supercontinuum in a Noble Gas Using a Weak Seed"
Optics Express 19(2), pp. 757-763
2011
T.R. Ensley, D.A. Fishman, S. Webster, D.J. Hagan, and E.W. Van Stryland
"Seeded Femtosecond Supercontinua in Various Media"
Frontiers in Optics/Laser Science XXVII (FIO/LS), San Jose, CA, Oct. 16-20 (2011).
2011
Trenton R. Ensley, Dmitry A. Fishman, Scott Webster, Lazaro A. Padilha, David J. Hagan, and Eric W. Van Stryland
"Seeded Femtosecond Supercontinuum in Kr Gas"
CLEO, QMD6, Baltimore, MD, 2011.
2011
Trenton R. Ensley, Dmitry A. Fishman, Scott Webster, David J. Hagan, and Eric W. Van Stryland
"Seeded Supercontinuum Generation in Gases and Condensed Matter"
Nonlinear Optics Conference, Kauai, Hawaii, July 17-22, 2011.
2010
L.A. Padilha, S. Webster, O.V. Przhonska, H. Hu, D. Peceli, T.R. Ensley, M.V. Bondar, A.O. Gerasov, Y.P. Kovtun, M.P. Shandura, A.D. Kachkovski, D.J. Hagan, E.W. Van Stryland
"Efficient Two-Photon Absorbing Acceptor-pi-Acceptor Polymethine Dyes"
Journal of Physical Chemistry 114(23), pp. 6493-6501
2010
S. Fardad, L.A. Padilha, S. Webster, T.R. Ensley, R. Gvishi, N. Larina, V. Lokshin, V. Khodorkovsky, M. Sigalov, D.J. Hagan, and E.W. Van Stryland
"Förster Energy Transfer to a Spirooxazine Photochromic Molecule through One- and Two-Photon Absorption"
Quantum Electronics and Laser Science Conference (QELS) OSA Technical Digest
2010
T. Ensley, D. Fishman, L. Padilha, S. Webster, D. Hagan, and E. Van Stryland
"Self-Trapping of Supercontinuum Generated by Femtosecond Pulses in a Noble Gas"
International Conference on Ultrafast Phenomena, OSA Technical Digest (CD) Optical Society of America
2009
H. Hu, L.A. Padilha, S. Webster, T.R. Ensley, D. Peceli, O.V. Przhonska, D.J. Hagan, E.W. Van Stryland, M.V. Bondar, Y.L. Slominsky, A.D. Kachkovski, A.O. Gerasov, M.P. Shandura, Y.P. Kovtun
"Comparison of Linear and Nonlinear Absorption in Three Series of Similear Cyanine Dyes: D-pi-A, A-pi-D and D-pi-A"
IPNRA Optical Society of America Technical Digest (CD) 2009
2009
S.A. Odom, R.F. Kelley, S. Ohira, T.R. Ensley, C.Huang, L.A. Padilha, S. Webster, V. Coropceanu, S. Barlow, D.J. Hagan, E.W. Van Stryland, J-L Brdas, H.L. Anderson, M.R. Wasielewski and S.R. Marder
"Photophysical Properties of an Alkyne-Bridged Bis(zinc porphyrin)-Perylene Bis(dicarboximide) Derivative"
J. Phys. Chem. A, vol.113, no.40, pp.10826-10832
2008
G. Nootz, L.A. Padilha, T. Ensley, S. Webster, D.J. Hagan, E.W. Van Stryland, S. Hoogland, E.H. Sargent
"Carrier Dynamics and Two Photon Processes in PbS Quantum Dots"
Frontiers in Optics (FiO), Optical Society of America Technical Digest, 2008
2001
Peng Zhao, Matthew Reichert, Trenton R. Ensley, William M. Shensky III, Andrew G. Mott, David J. Hagan, and Eric W. Van Stryland
"Nonlinear refraction dynamics of solvents and gases"
Proceedings of the SPIE, Photonics West, LASE LA106, Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications XV, Paper 9731-46, San Francisco, 2016.
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