Vasundara V. Varadan - Publications

Affiliations: 
Electrical Engineering University of Arkansas, Little Rock, AR 
Area:
General Engineering, General Physics, Alternative Energy

79 high-probability publications. We are testing a new system for linking publications to authors. You can help! If you notice any inaccuracies, please sign in and mark papers as correct or incorrect matches. If you identify any major omissions or other inaccuracies in the publication list, please let us know.

Year Citation  Score
2017 Ji L, Varadan VV. Gap orientation tuning in split ring resonator array for increased energy absorption Journal of Applied Physics. 121: 244504. DOI: 10.1063/1.4989806  0.579
2016 Ji L, Varadan VV. Negative refractive index and negative refraction of waves in lossy metamaterials Electronics Letters. 52: 260-262. DOI: 10.1049/El.2015.3416  0.561
2015 Seal S, Budhraja V, Ji L, Varadan VV. Enhanced Light Trapping in Thin Film Solar Cells Using a Plasmonic Fishnet Structure International Journal of Photoenergy. 2015. DOI: 10.1155/2015/910619  0.603
2015 Ji L, Varadan VV. Efficient light scattering in plasmonic light trapping designs for thin film solar cells Proceedings of Spie - the International Society For Optical Engineering. 9434. DOI: 10.1117/12.2085444  0.594
2015 Ji L, Varadan VV. Conditions for negative refraction and negative refractive index in lossy media Progress in Electromagnetics Research Symposium. 2015: 670-674.  0.525
2012 Fonash SJ, Nam WJ, Ji L, Varadan VV. Photonics and plasmonics applied to solar cells Proceedings of Spie - the International Society For Optical Engineering. 8482. DOI: 10.1117/12.928052  0.585
2012 Ji L, Varadan VV. A blazed grating for light trapping in a-Si thin-film solar cells Journal of Optics (United Kingdom). 14. DOI: 10.1088/2040-8978/14/9/095001  0.586
2012 Jun Nam W, Ji L, Varadan VV, Fonash SJ. Exploration of nano-element array architectures for substrate solar cells using an a-Si:H absorber Journal of Applied Physics. 111. DOI: 10.1063/1.4729539  0.573
2011 Ji L, Varadan VV. Competing effects of field localization and absorption enhancement using plasmonic nanostructures in thin film a-Si solar cells Conference Record of the Ieee Photovoltaic Specialists Conference. 003353-003356. DOI: 10.1109/PVSC.2011.6186666  0.558
2011 Ji L, Varadan VV. Short wavelength absorption loss due to plasmonic nanoparticles top-coated on thin film solar cells Conference Record of the Ieee Photovoltaic Specialists Conference. 000886-000888. DOI: 10.1109/PVSC.2011.6186094  0.542
2011 Ji L, Varadan VV. Erratum: “Fishnet metastructure for efficiency enhancement of a thin film solar cell” [J. Appl. Phys. 110, 043114 (2011)] Journal of Applied Physics. 110: 109901. DOI: 10.1063/1.3662184  0.536
2011 Jun Nam W, Ji L, Benanti TL, Varadan VV, Wagner S, Wang Q, Nemeth W, Neidich D, Fonash SJ. Incorporation of a light and carrier collection management nano-element array into superstrate a-Si:H solar cells Applied Physics Letters. 99. DOI: 10.1063/1.3628460  0.586
2011 Ji L, Varadan VV. Fishnet metastructure for efficiency enhancement of a thin film solar cell Journal of Applied Physics. 110. DOI: 10.1063/1.3626827  0.598
2010 Varadan VV, Ji L. Temperature dependence of resonances in metamaterials Ieee Transactions On Microwave Theory and Techniques. 58: 2673-2681. DOI: 10.1109/Tmtt.2010.2065910  0.569
2007 Sheng Z, Varadan VV. Tuning the effective properties of metamaterials by changing the substrate properties Journal of Applied Physics. 101: 14909. DOI: 10.1063/1.2407275  0.329
2006 Varadan VV, Tellakula AR. Effective properties of split-ring resonator metamaterials using measured scattering parameters: Effect of gap orientation Journal of Applied Physics. 100. DOI: 10.1063/1.2218669  0.344
2006 Varadan VV, Puligalla S, Ro R. S-parameter measurements for oblique angles of incidence and Brewster angle studies for metamaterial samples Microwave and Optical Technology Letters. 48: 2619-2624. DOI: 10.1002/Mop.21986  0.349
2006 Varadan VV, Ro R, Penumarthy S. Switching of electrical and magnetic resonances in Omega structures by a reflection operation experimental studies Microwave and Optical Technology Letters. 48: 2624-2629. DOI: 10.1002/Mop.21984  0.312
2004 Varadan VV. Sensors at small scales for applications in fluid structure interaction problems Journal of the Acoustical Society of America. 116: 2543-2543. DOI: 10.1121/1.4785145  0.31
2002 Chang W, Varadan VK, Varadan VV. Design of model reduction and robust controller for underwater echo cancellation The Journal of the Acoustical Society of America. 111: 2453. DOI: 10.1121/1.4778457  0.309
2002 Lim YH, Varadan VV, Varadan VK. Closed loop finite-element modeling of active constrained layer damping in the time domain analysis Smart Materials and Structures. 11: 89-97. DOI: 10.1088/0964-1726/11/1/310  0.31
2000 Zhang J, Zhang W, Varadan VK, Varadan VV. Active underwater acoustic cancellation with pressure sensor and piezocomposite transducer Journal of the Acoustical Society of America. 108: 2638-2638. DOI: 10.1121/1.4743824  0.312
2000 Zhu B, Ziang J, Varadan VK, Varadan VV. Solid‐state MOSFET‐based micro hydrophone array Journal of the Acoustical Society of America. 108: 2600-2600. DOI: 10.1121/1.4743677  0.321
2000 Zhang J, Varadan VK, Varadan VV. Acoustic scattering of metallic springs in elastic medium Journal of the Acoustical Society of America. 108: 2574-2574. DOI: 10.1121/1.4743564  0.38
2000 Gopinathan S, Varadan V, Varadan V. Electro‐elastic laminate theory for discrete piezoelectric patches on laminated plates Journal of the Acoustical Society of America. 107: 2853-2853. DOI: 10.1121/1.429230  0.31
2000 Gopinathan SV, Varadan VV, Varadan VK. Review and critique of theories for piezoelectric laminates Smart Materials and Structures. 9: 24-48. DOI: 10.1088/0964-1726/9/1/304  0.35
1999 Varadan VV, Gangadharan S, Varadan VK. Love wave surface acoustic wave sensor for ice detection on aircraft The Journal of the Acoustical Society of America. 106: 2269-2269. DOI: 10.1121/1.427751  0.342
1999 Varadan VV, Lim Y, Gopinathan SV, Varadan VK. Closed‐loop finite‐element modeling of smart structures—An overview Journal of the Acoustical Society of America. 105: 1239-1240. DOI: 10.1121/1.425957  0.321
1999 Lim YH, Gopinathan SV, Varadan VV, Varadan VK. Finite element simulation of smart structures using an optimal output feedback controller for vibration and noise control Smart Materials and Structures. 8: 324-337. DOI: 10.1088/0964-1726/8/3/305  0.322
1997 Bao X, Varadan V, Varadan V. Active cabin noise control in the time domain Journal of the Acoustical Society of America. 101: 3108-3108. DOI: 10.1121/1.418930  0.302
1997 Lim Y, Varadan VV, Varadan VK. Closed‐loop finite‐element modeling of active/passive structural vibration damping in the time domain The Journal of the Acoustical Society of America. 101: 3043-3043. DOI: 10.1121/1.418674  0.324
1997 Bao X, Varadan VV, Varadan VK. Sensors for ice detection on aerospace structures Journal of the Acoustical Society of America. 101: 3035-3035. DOI: 10.1121/1.418650  0.317
1997 Varadan VV, Varadan VK, Bao X, Ramanathan S, Piscotty D. Wireless passive IDT strain microsensor Smart Materials and Structures. 6: 745-751. DOI: 10.1088/0964-1726/6/6/012  0.301
1997 Lim YH, Varadan VV, Varadan VK. Closed loop finite element modeling of active structural damping in the frequency domain Smart Materials and Structures. 6: 161-168. DOI: 10.1088/0964-1726/6/2/005  0.35
1997 Lim YH, Varadan VV, Varadan VK. Finite-element modeling of the transient response of MEMS sensors Smart Materials and Structures. 6: 53-61. DOI: 10.1088/0964-1726/6/1/007  0.313
1996 Varadan VV, Lim YH, Varadan VK. Closed loop finite-element modeling of active/passive damping in structural vibration control Smart Materials and Structures. 5: 685-694. DOI: 10.1088/0964-1726/5/5/016  0.334
1995 Wu Z, Varadan VK, Varadan VV, Lee KY. Active absorption of acoustic waves using state-space model and optimal control theory Journal of the Acoustical Society of America. 97: 1078-1087. DOI: 10.1121/1.412220  0.333
1995 Varadan VV, Kim J, Varadan VK. Optimal design of enclosures for active noise control and isolation The Journal of the Acoustical Society of America. 97: 3255-3255. DOI: 10.1121/1.411671  0.311
1995 Bao X, Varadan VV, Varadan VK. Active control of sound transmission through a thin metal plate Journal of the Acoustical Society of America. 97: 3254-3254. DOI: 10.1121/1.411668  0.347
1994 Sung C, Varadan VV, Bao X, Varadan VK. Active Torsional Vibration Control Experiments Using Shear-Type Piezoceramic Sensors and Actuators Journal of Intelligent Material Systems and Structures. 5: 436-442. DOI: 10.1177/1045389X9400500319  0.301
1994 Varadan VV, Kim J, Varadan VK. Effect of piezoelectric sensor size and geometry on fidelity of sensor response when embedded in a structure subjected to fluid loading The Journal of the Acoustical Society of America. 95: 2995-2995. DOI: 10.1121/1.408867  0.353
1994 Varadan VV, Kim J, Varadan VK. Effect of different boundary conditions in the finite element modeling of acoustic field problems involving infinite domains—An application to smart structures The Journal of the Acoustical Society of America. 95: 3006-3006. DOI: 10.1121/1.408811  0.334
1993 Howarth TR, Bao X, Moser R, Varadan VK, Varadan VV. Digital time delay network for an active underwater acoustic coating Journal of the Acoustical Society of America. 93: 1613-1619. DOI: 10.1121/1.406820  0.322
1993 Varadan VV, Kim J, Varadan VK. Modeling the sensor/actuator response of a finite disk transducer flush mounted on a plate subject to fluid loading The Journal of the Acoustical Society of America. 93: 2352-2352. DOI: 10.1121/1.406241  0.346
1992 Howarth TR, Varadan VK, Bao X, Varadan VV. Piezocomposite coating for active underwater sound reduction Journal of the Acoustical Society of America. 91: 823-831. DOI: 10.1121/1.402542  0.358
1991 Bao X, Varadan VV, Varadan VK, Audoly C. Acoustic fields on the surface of a submerged finite cylindrical shell irradiated by plane waves Journal of the Acoustical Society of America. 89: 1993-1993. DOI: 10.1121/1.2029809  0.333
1991 Macrorie M, Varadan VV, Pauley WR. Measurement of unsteady pressure and shear stress using surface acoustic wave devices Journal of the Acoustical Society of America. 89: 1944-1944. DOI: 10.1121/1.2029618  0.312
1991 Shanker B, Varadan VV, Varadan VK, Shaw BA. Application of surface waves for antifouling The Journal of the Acoustical Society of America. 89: 1914-1914. DOI: 10.1121/1.2029489  0.321
1991 Varadan VK, Varadan VV. Wave propagation and scattering in chiral elastic media The Journal of the Acoustical Society of America. 89: 1900-1900. DOI: 10.1121/1.2029439  0.35
1991 Sung C, Bao X, Varadan VV, Varadan VK. Active vibration control using shear mode piezoceramic transducers Journal of the Acoustical Society of America. 89: 1890-1890. DOI: 10.1121/1.2029398  0.311
1991 Lakhtakia A, Varadan VV, Varadan VK. Plane wave scattering response of a simply moving electrically small, chiral sphere Journal of Modern Optics. 38: 1841-1847. DOI: 10.1080/09500349114551941  0.319
1991 Hollinger R, Varadan VV, Varadan VK. Eigenmodes in a circular waveguide containing an isotropic chiral material Radio Science. 26: 1335-1344. DOI: 10.1029/91Rs00962  0.308
1990 Lakhtakia A, Varadan VK, Varadan VV. Reflection of elastic plane waves at a planar achiral-chiral interface Journal of the Acoustical Society of America. 87: 2314-2318. DOI: 10.1121/1.399076  0.343
1990 Howarth TR, Varadan VV, Varadan VK. Composite smart skin systems The Journal of the Acoustical Society of America. 88: S115-S115. DOI: 10.1121/1.2028528  0.303
1990 Roh Y, Varadan VV, Varadan VK. Application of surface acoustic waves for marine fouling prevention The Journal of the Acoustical Society of America. 87: S45-S45. DOI: 10.1121/1.2028233  0.33
1990 Lakhtakia A, Varadan VK, Varadan VV. Scattering of elastic waves by solid chiral half‐spaces and spheres The Journal of the Acoustical Society of America. 87: S41-S42. DOI: 10.1121/1.2028215  0.35
1990 Lan J, Varadan VK, Varadan VV. Active three‐dimensional sound‐field cancellation The Journal of the Acoustical Society of America. 87: S34-S35. DOI: 10.1121/1.2028179  0.359
1990 Sung C, Bao X, Varadan VV, Varadan VK. Shear mode piezoceramic sensors and actuators for active torsional vibration control Journal of the Acoustical Society of America. 87. DOI: 10.1121/1.2028106  0.311
1990 Howarth TR, Bao X, Varadan VK, Varadan VV, Benjamin KC. Piezocomposite actuator designs for an active underwater acoustic control system coating Journal of the Acoustical Society of America. 87. DOI: 10.1121/1.2028105  0.348
1990 Varadan VK, Howarth TR, Bao X, Varadan VV. Active underwater acoustic damping coating Journal of the Acoustical Society of America. 87. DOI: 10.1121/1.2028010  0.33
1990 Kim YW, Varadan VV, Lakhtakia A. Elastic wave scattering from debonded fibers in composite materials The Journal of the Acoustical Society of America. 87: S145-S145. DOI: 10.1121/1.2028005  0.333
1990 Bao X, Varadan VV, Varadan VK. High‐frequency air‐coupled transducers Journal of the Acoustical Society of America. 87. DOI: 10.1121/1.2027926  0.321
1990 Yin A, Varadan VK, Varadan VV. Fiberacoustic sensor embedded in a composite The Journal of the Acoustical Society of America. 87: S127-S128. DOI: 10.1121/1.2027921  0.307
1990 Chin L, Jeng J, Bao X, Varadan VV, Varadan VK. Finite‐element eigenmode analysis for the design of composite transducers under the effect of fluid loading Journal of the Acoustical Society of America. 87. DOI: 10.1121/1.2027920  0.31
1989 Bayer JI, Varadan VV, Varadan VK. Optimization of placement of piezoelectric elements for the active control of plate vibrations The Journal of the Acoustical Society of America. 85: S73-S73. DOI: 10.1121/1.2027123  0.31
1989 Roh Y, Varadan VV, Varadan VK. Low‐frequency SAW sensors for the detection of shear stresses in the turbulent boundary layer The Journal of the Acoustical Society of America. 85: S50-S50. DOI: 10.1121/1.2027005  0.344
1989 Varadan VV, Ma Y, Varadan VK. Effects of chiral microstructure on em wave propagation in discrete random media Radio Science. 24: 785-792. DOI: 10.1029/Rs024I006P00785  0.347
1988 Lakhtakia A, Varadan VV, Varadan VK. Reflection characteristics of an elastic slab containing a periodic array of circular elastic cylinders: P and SV wave analysis Journal of the Acoustical Society of America. 83: 1267-1275. DOI: 10.1121/1.395982  0.354
1988 Jeng J‐, Varadan VV, Varadan VK, Bao X‐. Transmission and reflection of acoustic waves through a composite slab using the finite element‐eigenmode analysis Journal of the Acoustical Society of America. 84. DOI: 10.1121/1.2026569  0.371
1988 Lakhtakia A, Varadan VV, Varadan VK. On left‐ and right‐circularly polarized waves in isotropic noncentrosymmetric elastic media The Journal of the Acoustical Society of America. 84: S6-S6. DOI: 10.1121/1.2026439  0.347
1988 Bao X‐, Varadan VK, Varadan VV. Active acoustic absorber for plane waves in water Journal of the Acoustical Society of America. 84. DOI: 10.1121/1.2026338  0.368
1988 Lakhtakia A, Varadan VV, Varadan VK. Erratum: ‘‘Elastic wave propagation in noncentrosymmetric, isotropic media: Dispersion and field equations’’ [J. Appl. Phys. 63, 5246 (1988)] Journal of Applied Physics. 64: 4795-4795. DOI: 10.1063/1.342530  0.304
1986 Lakhtakia A, Varadan VV, Varadan VK. Reflection characteristics of an elastic slab containing a periodic array of elastic cylinders: SH wave analysis Journal of the Acoustical Society of America. 80: 311-316. DOI: 10.1121/1.394148  0.364
1985 Lakhtakia A, Varadan VV, Varadan VK. Reflection and transmission characteristics of a periodic array of cylinders embedded in a plane slab or in a homogeneous material space The Journal of the Acoustical Society of America. 78: S78-S78. DOI: 10.1121/1.2023001  0.347
1985 Varadan VV, Jeng J, Varadan VK. Scattering of elastic waves by an anisotropic inclusion The Journal of the Acoustical Society of America. 78: S36-S36. DOI: 10.1121/1.2022781  0.355
1985 Lakhtakia A, Varadan VK, Varadan VV. Scattering by a partially illuminated, doubly periodic, doubly infinite surface Journal of the Acoustical Society of America. 77: 1999-2004. DOI: 10.1121/1.2022331  0.338
1985 Varadan VV, Varadan VK. The quasicrystalline approximation and multiple scattering of waves in random media The Journal of the Acoustical Society of America. 77: S3-S3. DOI: 10.1121/1.2022321  0.316
1984 Baskar S, Varadan VV, Varadan VK. Acoustic wave scattering by 3‐D finite axisymmetric shells in water The Journal of the Acoustical Society of America. 75: S54-S54. DOI: 10.1121/1.2021487  0.361
1984 Baskar S, Varadan VV, Varadan VK. Thin shell theories and acoustic wave scattering by infinitely long cylindrical shells of arbitrary cross section Journal of the Acoustical Society of America. 75: 1673-1679. DOI: 10.1121/1.2020667  0.348
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