36 citations · 346 across the 19 of their papers we have counts for
19 papers
Two-color Thermosensors based on [YDy(acetylacetonate)(1,10-phenanthroline) Molecular Crystals
Benjamin R. Anderson, Ray Gunawidjaja, Hergen Eilers
We develop a two-color thermometry (TCT) phosphor based on [YDy(acetylacetonate)(1,10-phenanthroline)] ([YDy(acac)(phen)]) molecular crystals for us…
Dy-doped Yttrium Complex Molecular Crystals for Two-color Thermometry in Heterogeneous Materials
Benjamin R. Anderson, Ray Gunawidjaja, Hergen Eilers
We develop Dy-doped yttrium complexes for use as two-color thermometry (TCT) phosphor molecular crystals in heterogeneous materials. These complexes include: Dy:Y(acac)(…
Effect of experimental parameters on optimal reflection of light from opaque media
Benjamin R. Anderson, Ray Gunawidjaja, Hergen Eilers
Previously we considered the effect of experimental parameters on optimized transmission through opaque media using spatial light modulator (SLM)-based wavefront shaping. In this s…
Random Lasing and Reversible Photodegradation in Disperse Orange 11 Dye-Doped PMMA with Dispersed ZrO Nanoparticles
Benjamin R. Anderson, Ray Gunawidjaja, Hergen Eilers
We report the observation of intensity feedback random lasing at 645 nm in Disperse Orange 11 dye-doped PMMA (DO11/PMMA) with dispersed ZrO nanoparticles (NPs). The lasing thre…
Wavelength dependence of reversible photodegradation of disperse orange 11 dye-doped PMMA thin films
Benjamin R. Anderson, Sheng-Ting Hung, Mark G. Kuzyk
Using transmittance imaging microscopy we measure the wavelength dependence of reversible photodegradation in disperse orange 11 (DO11) dye-doped (poly)methyl-methacrylate (PMMA).…
Photodegradation and self-healing in a Rhodamine 6G dye and YO nanoparticle-doped polyurethane random laser
Benjamin R. Anderson, Ray Gunawidjaja, Hergen Eilers
One of the fundamental difficulties in implementing organic dyes in random lasers is irreversible photodegradation of the dye molecules, leading to loss of performance and the need…
Stability of optimal-wave-front-sample coupling under sample translation and rotation
Benjamin R. Anderson, Ray Gunawidjaja, Hergen Eilers
The method of wavefront shaping to control optical properties of opaque media is a promising technique for authentication applications. One of the main challenges of this technique…
Low-Threshold and Narrow Linewidth Diffusive Random Lasing in Rhodamine 6G Dye-Doped Polyurethane with Dispersed ZrO Nanoparticles
Benjamin R. Anderson, Ray Gunawidjaja, Hergen Eilers
We report on low-threshold and narrow linewidth intensity feedback random lasing in Rhodamine 6G dye-doped polyurethane with dispersed ZrO nanoparticles. Depending on the dye/p…
Microgenetic optimization algorithm for optimal wavefront shaping
Benjamin R. Anderson, Patrick Price, Ray Gunawidjaja +1
One of the main limitations of utilizing optimal wavefront shaping in imaging and authentication applications is the slow speed of the optimization algorithms currently being used.…
Self-healing organic-dye-based random lasers
Benjamin R. Anderson, Ray Gunawidjaja, Hergen Eilers
One of the primary difficulties in the implementation of organic-dye-based random lasers is the tendency of organic dyes to irreversibly photodecay. In this letter we report the ob…
Effect of experimental parameters on optimal transmission of light through opaque media
Benjamin R. Anderson, Ray Gunawidjaja, Hergen Eilers
Spatial light modulator (SLM) controlled transmission of light through opaque media is a relatively new experimental method with wide applications in various fields. While there ha…
Mechanisms of the refractive index change in DO11/PMMA due to photodegradation
Benjamin R. Anderson, Mark G. Kuzyk
Using a white light interferometric microscope (WLIM) we measure the photodamage induced change in the complex index of refraction of disperse orange 11 (DO11) dye-doped (poly)meth…
The effect of pump depletion on reversible photodegradation
Benjamin Anderson, Sheng-Ting Hung, Mark G. Kuzyk
We model the effect of pump depletion on reversible photodegradation using the extended domain model[Anderson and Kuzyk, arXiv:1309.5176v1, 2013] and the Beer-Lambert law. We find…
Generalizing the correlated chromophore domain model of reversible photodegradation to include the effects of an applied electric field
Benjamin Anderson, Mark G. Kuzyk
All observations of photodegradation and self healing follow the predictions of the correlated chromophore domain model. [Ramini et.al. Polym. Chem., 2013, 4, 4948.] In the present…
The influence of an electric field on photodegradation and self healing in disperse orange 11 dye-doped PMMA thin films
Benjamin Anderson, Sheng-Ting Hung, Mark G. Kuzyk
The influence of an applied electric field on reversible photodegradation of disperse orange 11 (DO11) doped into PMMA is measured using digital imaging and conductivity measuremen…
A White Light Interferometric Microscope for Measuring Dose-Dependent Reversible Photodegradation
Benjamin Anderson, Elizabeth Bernhardt, Mark G. Kuzyk
We have developed a white light interferometric microscope (WLIM), which can spatially resolve the change in the complex index of refraction and apply it to study reversible photod…
A quantum mechanical model of the upper bounds of the cascading contribution to the second hyperpolarizability
Nathan J. Dawson, Benjamin R. Anderson, Jennifer L. Schei +1
Microscopic cascading of second-order nonlinearities between two molecules has been proposed to yield an enhanced third-order molecular nonlinear-optical response. In this contribu…
A classical model of the upper bounds of the cascading contribution to the second hyperpolarizability
Nathan J. Dawson, Benjamin R. Anderson, Jennifer L. Schei +1
We investigate whether microscopic cascading of second-order nonlinearities of two molecules in the side-by-side configuration can lead to a third-order molecular nonlinear-optical…
Imaging Studies of photodamage and self-healing in disperse orange 11 dye-doped PMMA
Benjamin Anderson, Shiva K. Ramini, Mark G. Kuzyk
We report on optical imaging studies of self-healing after laser-induced photodamage in disperse orange 11 dye doped into poly(methyl methacrylate) (PMMA) polymer. In particular, t…