PUBLICATION LIST

Refereed Journal Articles, published or accepted in final form

[76] X. Wang, R. Witte, and H. Xin, “Thermoacoustic and Photoacoustic Characterization of Few-Layer Graphene by Pulsed Excitations,” Applied Physics Lett., accepted, Mar. 2016.

[75] C. Shemelya, M. Zemba, M. Liang, X. Yu, D. Espalin, R. Wicker, H. Xin, and E. MacDonald, “Multi-layer Archimedean Spiral Antenna Fabricated using Polymer Extrusion 3D Printing,” accepted, Microwave and Opt. Tech. Letts., Mar. 2016.

[74] G. Du, M. Liang, R. Sabory-García, C. Liu, and H. Xin, “3D Printing Implementation of an X-band Eaton Lens for Beam Deflection,” IEEE Antennas Wireless Propag. Lett., accepted, Dec. 2015.

[73] S. Li, W. Hua, M. Liang, M. Tuo, S. Tawfick, J. Hart, Q, Zhu, and H. Xin, “Anisotropic Microwave Conductivity Dispersion of Horizontally Aligned Multi-Walled Carbon-Nanotube Thin Film on Flexible Substrate,” IEEE Trans. on Microwave Theory and Tech., Vol. 63, No. 11, pp. 3588-3594, Oct. 2015.

[72] T. Chen, L. Wang, G. Goodyear, A. Yializis, and H. Xin, “Broadband Microwave Characterization of Nano-Structured Thin Film with Giant Dielectric Response,” IEEE Trans. on Microwave Theory and Tech., Vol. 63, No. 11, 3768-3774, Sept. 2015.

[71] T. Chen, W. Hua, K. Gbele, H. Zhang, and H. Xin, “A Dual-Band Amplifier with Flexible Frequency Ratios,” Microwave and Opt. Tech. Letts., in press, 2015.

[70] D. Bauer, X. Wang, J. Vollin, H. Xin, R. Witte, “Broadband Spectroscopic Thermoacoustic Characterization of Single-Walled Carbon Nanotubes,” J. of Spectroscopy, Apr. 2015.

[69] X. Wang, D. Bauer, R. Witte, and H. Xin, “Computational Feasibility Study of Contrast-Enhanced Thermoacoustic Imaging for Breast Cancer Detection Using Realistic Numerical Breast Phantoms,” IEEE Trans. on Microwave Theory and Tech., Vol. 63, No. 5, pp. 1489-1501, May 2015.

[68] C. Shemelya, A. Rivera, A. Perez, C. Rocha, M. Liang, X. Yu, C. Kief, D. Alexander, J. Stegeman, H. Xin, E. MacDonald, R. Wicker and D. Roberson, “Mechanical, Electromagnetic, and X-ray Shielding Characterization of a 3D Printable Tungsten–Polycarbonate Polymer Matrix Composite for Space-Based Applications,” J. Electronic Materials., DOI: 10.1007/s11664-015-3687-7, Mar. 2015.

[67] Min Liang, Corey Shemelya, Eric MacDonald, Ryan Wicker and Hao Xin, "3D printed microwave patch antenna via fused deposition method and ultrasonic wire mesh embedding technique" accepted, IEEE Antennas Wireless Propag. Lett., Jan. 2015.

[66] T. Qin, X. Wang, Y. Qin, G. Wan, R. Witte, and H. Xin "Quality Improvement of Thermoacoustic Imaging Based on Compressive Sensing," accepted, IEEE Antennas Wireless Propag. Lett., Jan. 2015.

[65] M. Liang, Y. Li, H. Meng, M. Neifeld, and H. Xin, "Reconfigurable array design to realize Principal Component Analysis (PCA) based microwave compressive sensing imaging system," accepted, IEEE Antennas Wireless Propag. Lett., Dec. 2014.

[64] T. Qin, X. Wang, Y. Qin, P. Ingram, G. Wan, R. Witte, and H. Xin, "Experimental Validation of a Numerical Model for Thermoacoustic Imaging Applications," accepted, IEEE Antennas Wireless Propag. Lett., Dec. 2014.

[63] D. Ye, K. Chang, L. Ran, and H. Xin, "Microwave Gain Medium with Negative Refractive Index," Nature Communications, Dec. 2014.

[62] Q. Tang, and H. Xin, "Active Metamaterial Incorporating Gain Device Medium: A Review," J. of Applied Computational Electromagnetics, Dec. 2014.

[61] I. Zimmerman, M. Liang, and H. Xin, "Infrared (IR) Thermal Emission from a 2D Array of Plasmonic Spheres," J. App. Phys., Vol. 116, 054910, Aug. 2014.

[60] W. Ng, D. Golish, H. Xin, and M. Gehm, "3D Rapid Prototyping of Terahertz Computer-Generated Volume Holograms," Optics Express, Vol. 22, No. 3, pp. 3349-3355, Mar. 2014.

[59] P. Nayeri, M. Liang, R. Sabory-García, M. Tuo, F. Yang, M. Gehm, H. Xin, and A. Elsherbeni, "3D Printed Dielectric Reflectarrays: Low-Cost High-Gain Antennas at Sub-Millimeter Waves," IEEE Trans. Antennas Propag., Vol. 62, No. 4, pp. 2000-2008, Apr. 2014.

[58] I. Echchgadda, J. Grundt, M. Tarango, B. Ibey, T. Tongue, M. Liang, H. Xin, and J. Wilmink, "Using a portable terahertz spectrometer to measure the optical properties of in vivo human skin," J. of Biomed. Opt. Letts., Vol. 18(12), pp. 120503, Dec. 2013.

[57] I. Zimmerman, Z. Wu, H. Xin, and R. Ziolkowski, "THz thermal emission control via electromagnetic band engineering," IEEE Trans. THz Tech., Vol. 4, No. 2, pp. 213-224, Mar. 2014.

[56] M. Liang, W. Ng, K. Chang, K. Gbele, M. Gehm, and H. Xin, "A 3-D Luneburg Lens Antenna Fabricated by Polymer Jetting Rapid Prototyping," IEEE Trans. Antennas Propag., Vol. 62, No. 4, pp. 1799-1807, Apr. 2014.

[55] M. Liang, and H. Xin, "Microwave to THz characterization of carbon based nano-materials,"IEEE Microwave Magazine, Vol. 15, No. 1, pp. 40-51, Jan. 2014.

[54] R. Zhou, H. Zhang, and H. Xin, "Liquid Based Dielectric Resonator Antenna and Its Application for Measuring Liquid Real Permittivities," IET Microwaves, Antennas & Propagation, Vol. 8, No. 4, pp. 255-262, Mar. 2014.

[53] R. Che, Z. Yi, Q. Zhu, and H. Xin, "Design of an integrated lens for separating microwave and optical wave," Microwave and Opt. Tech. Letts., Vol. 55, No. 10, pp. 2358-2363, Oct. 2013.

[52] X. Wang, D. R. Bauer, J. L. Vollin, D. G. Manzi, R. Witte, and H. Xin, "Impact of Microwave Pulses on Thermoacoustic Imaging Applications," IEEE Antennas Wireless Propag. Lett., vol. 11, pp. 1634-1637, Dec. 2012.

[51] Z. Wu, M. Liang, W. Ng, M. Gehm, and H. Xin, "Terahertz Horn Antenna Based on Hollow-core Electromagnetic Crystal (EMXT) Structure," IEEE Trans. Antennas Propag., accepted, July 2012.

[50]  D. Bauer, X. Wang, J. Vollin, H. Xin, and R. Witte, "Spectroscopic Thermoacoustic Imaging of Water and Fat Composition," Appl. Phys. Lett., vol. 101, no. 3, pp. 033705: 1-4, July 2012.

[49] X. Wang, D. Bauer, R. Witte, and H. Xin, "Microwave-Induced Thermoacoustic Imaging Model for Potential Breast Cancer Detection," IEEE Trans. Biomedical Eng., vol. 59, no. 10, pp. 2782-2791, Oct. 2012.

[48] K. Chang, T. Jiang, L. Ran, and H. Xin, "Investigation of Microwave Negative Refractive Index (NRI) Transmission Lines Incorporating Tunnel Diodes," IEEE Antennas Wireless Propag. Lett., vol. 11, pp. 671-674, 2012.

[47] R. Zhou, D. Liu, and H. Xin, "A Wideband Circularly Polarized Patch Antenna for 60 GHz Wireless Communications," Wireless Eng. And Tech., accepted, May 2012.

[46] Q. Zhu. C. Gong, and H. Xin, "Design of high power capacity phase shifter with composite right/left-handed transmission line," Microw. Optical Tech. Lett., vol. 54, no. 1, pp. 119-124, Nov. 2011.

[45] T. Jiang, K. Chang, L. Si, L. Ran, and H. Xin, "Active microwave negative-index metamaterial transmission line with gain," Phys. Rev. Lett., vol. 107, 205503, Oct. 2011.

[44] N. Zhu, R. W. Ziolkowski, and H. Xin, "Electrically small GPS L1 rectennas," IEEE Antennas Wireless Propag. Lett., vol. 10, pp. 935-938, Sep. 2011.

[43] N. Zhu, R. W. Ziolkowski, and H. Xin, "A metamaterial-inspired, electrically small rectenna for high-efficiency low power harvesting and scavenging at the GPS L1 frequency," Appl. Phys. Lett., vol. 99, no. 11, 114101, Sep. 2011.

[42] J. Shao, Y. Lin, H. Zhang, and H. Xin, "Dual-frequency electromagnetic cloaks enabled by LC-based metamaterial circuits," Prog. Electromag. Res., v. 119, pp. 225-237, July 2011.

[41] M. Liang, Z. Wu, L. Chen, L. Song, P. Ajayan and H. Xin, "Terahertz Characterization of Single-walled Carbon Nanotube and Graphene On-Substrate Thin Films," IEEE Trans. on Microwave Theory and Tech., vol. 59, no. 10, pp. 2719-2725, Oct. 2011.

[40] B. Duong, Y. Peng, L. Wang, S. Seraphin, and H. Xin "Production of predominantly semiconducting double-walled carbon nanotubes," Carbon, vol. 49, no. 11, pp. 3512-3521, Sep. 2011.

[39] E. Rahani, T. Kundu, Z. Wu and H. Xin "Heat Induced Damage Detection by Terahertz (THz) Radiation," Journal of Infrared, Millimeter, and Terahertz Waves, vol. 32, no. 6, pp. 848-856, Apr. 2011.

[38] Z. Wu, W. Ng, M. Gehm, and H. Xin, "Terahertz Electromagnetic Crystal Waveguide Fabricated by Polymer Jetting Rapid Prototyping," Optics Express, vol. 19, no. 5, pp. 3962-3972, Jan., 2011.

[37] ( invited paper ) L.-M. Si, T. Jiang, K. Chang, X. Lv, L. Ran, and H. Xin, "Active Microwave Metamaterials Incorporating Ideal Gain Devices," Materials, vol. 4, no. 1, pp. 73-83, Jan. 2011.

[36] ( featured article ) Y. Liu, L.-M. Si, S.-H. Zhu and H. Xin, "Experimental realization of an integrated THz electromagnetic crystals (EMXT) H-plane horn antenna", Electronics Letters, vol. 47, no. 2, pp. 80-82, Jan. 2011.

[35] R. Zhou, H. Zhang and H. Xin, "Improved Two-Antenna Direction Finding Inspired by Human Ears," IEEE Trans. on Antennas and Propagation, vol. 59, no. 7, pp. 2691-2697, July 2011.

[34] E. Kabiri Rahani, T. Kundu, Z. Wu, H. Xin, "Mechanical Damage Detection in Polymer Tiles by THz Radiation," in press, IEEE Sensors Journal, vol. 11, no. 8, pp. 1720-1725, Aug. 2011.

[33] L. Wang, Y. Xiong, Z. Wu, B. Duong, S. Seraphin, H. Xin, and L. Chen, Demetalization of Single-Walled Carbon Nanotube Thin Films with Microwave Irradiation," App. Phys. A, vol. 102, no. 2, pp. 401-406, Jan., 2011.

[32] H. Zhang, R. Bortolin, J. Kudva, and H. Xin, "A Compact Metamaterial-Inspired Multi-Layered Slot Antenna," Microwave and Optical Technology letters, vol. 53, Issue 1, pp. 219-223, Jan. 2011.

[31] Z. Wu, A. Young, M. Gehm, and H. Xin, "Investigation of Several Terahertz (THz) Electromagnetic Band Gap Structures," Microwave and Optical Technology letters, vol. 52, Issue 3, pp. 678-686, Mar. 2010.

[30] H. Zhang, R. Zhou, Z. Wu, H. Xin, and R. W. Ziolkowski, "Designs of Ultra Wideband (UWB) Printed Elliptical Monopole Antennas with Slots," Microwave and Optical Technology letters, vol. 52, Issue 2, pp. 466-471, Feb. 2010.

[29] R. Zhou, H. Zhang, and H. Xin, "Metallic Wire Array as Low-Effective Index of Refraction Medium for Directive Antenna Application", vol. 58, no. 1, pp. 79-87, IEEE Trans. on Antennas and Propagation, Jan. 2010.

[28] Q. Zhu, W. Liu, H. Zhang, and H. Xin, "Experimental Study of Microwave Radiation of Carbon Nanotube Arrays," Applied Physics Letter, Vol. 95, 083119, August, 2009. ( This article was also published in the Sept. 7, 2009 issue of the Virtual Journal of Nanoscale Science & Technology (www.vjnano.org )

[27] H. Zhang, and H. Xin, "A Dual-Band Dipole Antenna with Integrated-Balun", IEEE Trans. on Antennas and Propagation, vol. 57, no. 3, pp. 786-789, Mar. 2009.

[26] Z. Wu, J. Kinast, M. Gehm, and H. Xin, "Rapid and Inexpensive Fabrication of Terahertz Electromagnetic Band Gap Structures," Optics Express, vol. 16, no. 21, pp. 16442-16451, Oct. 2008.

[25] H. Xin, Z. Wu, A. Young, and R. Ziolkowski, "THz Thermal Radiation Enhancement Using an Electromagnetic Crystal", IEEE Trans. on Antennas and Propagation, vol. 56, no. 9, pp. 2070-2980, Sep. 2008.

[24] R. Zhou, H. Zhang, and H. Xin, "Experimental Demonstration of Narrow Beam Monopole Antenna Embedded in Low Effective Index of Refraction (n < 1) Metallic Wire Media," Microwave and Optical Technology Letters, vol. 50, no. 9, pp. 2341-2345, Apr. 2008.

[23] Z. Wu, L. Wang, A. Young, S. Seraphin , and H. Xin, "Terahertz Characterization of Multi-Walled Carbon Nanotube (MWNT) Films", J. App. Phys., vol. 103, no. 9, May 2008. ( This article was also published in the June 2, 2008 issue of the Virtual Journal of Nanoscale Science & Technology (www.vjnano.org )

[22] H. Xin, T-C Chen, and H. Kazemi, "W-Band Low-Loss Quasi-TEM Waveguide Using Electromagnetic Crystal Surfaces", IEEE Trans. on Antennas and Propagation, vol. 56, no. 6, pp. 1661-1668, June 2008.

[21] H. Zhang, Y. Peng, and H. Xin, "A Tapped Stepped-Impedance Balun with Dual-Band Operations", IEEE Antennas and Wireless Propagation Letters, vol. 7, pp. 119-122, Jan. 2008.

[20] L. Wang, R. Zhou, and H. Xin, "Microwave frequency Characterization of Multi-Walled Carbon Nanotube (MWNT) Paper", IEEE Trans. Microwave Theory and Tech., vol. 56, no. 2, pp. 499-506, Feb. 2008.

[19] X. Wang, H. Xin, J. Leonard, G. Chen, and Q. Jiang, "The Oscillatory Characteristics of Carbon Nanotube with Magnetic Particle Fillings", Nano Technology, vol. 18, pp. 1-7, Oct. 2007.

[18] X. Wang, H. Xin, J. Leonard, G. Chen, A. Chwang, and Q. Jiang, "The Oscillatory Characteristics of a 2C60/CNT Oscillator System", Journal of Nanoscience and NanoTechnology, vol. 7, no. 3, pp. 1512-1517, Mar. 2007.

[17] D. Kim, M. Kim, H. Xin, and J. Hacker, "A Microstrip Phase Shifter Design Using an Electromagnetic Bandgap Ground Plane", IEICE Trans. on Communications, pp. 2632-2635, June, 2005.

[16] H. Xin, J. B. West, J. C. Mather, J. P. Doane, J. A. Higgins, and M. Rosker, "A Two-Dimensional Electronic-Scanned Antenna Utilizing Analog Electromagnetic Crystal (EMXT) Waveguide Phase Shifters", IEEE Trans. on Antennas and Propagation, vol. 53, no. 1, pp. 151-159, Jan. 2005.

[15] H. Xin, M. Kim, J. B. Hacker, and J. A. Higgins, "Incident Angle-Dependence of Electromagnetic Crystal (EMXT) Surfaces", IEEE Microwave and Guided Wave Letters, vol. 14, no. 9, pp. 437-439, Sep. 2004.

[14] H. Xin, J. B. Hacker, A. Sailer, G. Nagy, J. A. Higgins, D. Pilz, and M. J. Rosker, "25-45 GHz Wave-front Adaptive Control System for Quasi-Optical Power Amplifiers in Intelligent RF Front Ends", IEEE Microwave and Guided Wave Letters, vol. 14, no. 9, pp. 404-406, Sep. 2004.

[13] T. Nishino, H. Xin, Y. Wang, and T. Itoh, "A Frequency-Controlled Active Phased Array", IEEE Microwave and Guided Wave Letters, vol. 14, no. 3, pp. 115-117, Mar. 2004.

[12] D. Kim, M. Kim, H. Xin, and J. B. Hacker, "A 2-GHz Electromagnetic Reflector Antenna", Electronics Letters, vol. 39, no. 15, pp. 1096-1098, July 2003.

[11] H. Xin, J.A. Higgins, J.B. Hacker, M. Kim and M. Rosker, "Electromagnetic Crystal (EMXT) Waveguide Band-Stop Filter", IEEE Microwave and Guided Wave Letters, vol. 13, no. 3, pp. 108-110, Mar. 2003.

[10] J. A. Higgins, H. Xin, A. Sailer and M. Rosker, "Ka-Band Waveguide Phase Shifter Using Tunable Electromagnetic Crystal Sidewalls", IEEE Trans. on Microwave Theory and Techniques, vol. 51, no. 4, pp. 1281-1288, Apr. 2003.

[9] M. Kim, J. B. Hacker, H. Xin, and J. A. Higgins, "A Waveguide Shutter Using Electromagnetic Crystals", Microwave and Optical Technology Letters, vol. 34, no. 3, pp. 186-187, Aug. 2002.

[8] H. Xin, M. Kim, J. B. Hacker, J. A. Higgins, and M. J. Rosker, "Mutual Coupling of Monopole Antennas on High Impedance Ground Plane", Electronics Letters, vol. 38, no. 16, Aug. 2002.

*[7] H. Xin, D. E. Oates, G. F. Dresselhaus and M. S. Dresselhaus, "Microwave Intermodulation Distortion in Bicrystal YBCO Grain Boundary Junctions", Phys. Rev. B, 65, 214533-7, 2002.

*[6] H. Xin, D. E. Oates, G. F. Dresselhaus and M. S. Dresselhaus, "Microwave-frequency Vortex Dynamics in YBCO Grain Boundaries", Journal of Superconductivity, vol. 14, no. 5, pp. 637-649, Oct. 2001.

*[5] D. E. Oates, H. Xin, G. F. Dresselhaus and M. S. Dresselhaus, "Intermodulation Distortion and Josephson Vortices in YBCO Bicrystal Grain Boundaries", IEEE Trans. on Applied Superconductivity, vol. 11, no. 1, pp. 2804-2807, Mar. 2001.

*[4] H. Xin, D. E. Oates, S. Sridhar, G. F. Dresselhaus, M. S. Dresselhaus, "Observation of Individual Josephson Vortices in YBCO bi-Crystal Grain Boundary Junctions", Phys. Rev. B, 61, no. 22, R14952-R14955, 2000.

*[3] H. Xin, D. E. Oates, A. C. Anderson, R. L. Slattery, G. F. Dresselhaus and M. S. Dresselhaus, "Comparison of Power Dependence of Microwave Surface Resistance of Unpatterned and Patterned YBCO Thin Film", IEEE Trans. on Microwave Theory and Techniques, vol. 48, no. 7, pp. 1221-1226, July 2000.

*[2] J. S. Herd, D. E. Oates, H. Xin and S. J. Berkowitz, "Coupled-Grain/RSJ Series Array for Modeling of Nonlinear Microwave Surface Impedance of YBCO Thin Films", IEEE Trans. on Applied Superconductivity, vol. 9, no. 2, pp. 2117-2120, June, 1999

**[1] Z. Bar-Yam et al, "A Scintillation Detector of Unique Geometry", Nucl. Instrum. Meth. vol. A357, pp. 95-102, 1995.

 

Invited Conference Presentations

"Measurements of Metamaterial Inspired, Electrically Small Antenna Systems" R. W. Ziolkowski, H. Xin, and C. Holloway, IEEE Antennas and Propagation Society / Union Radio-Scientifique Internationale (URSI) Symp., July 2008.

"Radiation Characteristics of Monopole Antenna Embedded in Low Effective Index of Refraction (n < 1) Wire Media," R. Zhou, H. Zhang, and H. Xin, URSI Symp., Jan. 2008.

"Metamaterial-based Compact CPW-Fed Antenna for 44 GHz Applications," H. Zhang, H. Xin, and R. W. Ziolkowski, URSI Symp., Jan. 2008.

"Electromagnetic Bandgap Waveguide (EBG) Phase Shifter for Low Cost Electronically Scanned Antennas (ESA)", H. Kazemi, J. A. Higgins, B. Herting, H. Xin, J. West, and J. Hacker, IEEE AP-S Symp., June 2007.

"Incident Angle Dependence of Electromagnetic Crystal Surface Impedance", H. Xin, IEEE AP-S / URSI Symp., June 2004.

"Low-Loss Monolithic Electromagnetic Crystal Surfaces with Planar GaAs Schottky Diodes", H. Xin, H. Kazemi, A. Lee, J. Higgins, and M. Rosker, IEEE AP-S Symposium, June, 2003.

"Tunable Millimeter-Wave Electromagnetic Crystal (EMXT) Waveguide Band-Stop Filter", H. Xin, J.A. Higgins, and M. Kim, IEEE AP-S Symposium, June, 2003.

"Some Applications of Rectangular Waveguide with Electromagnetic Crystal (EMXT) Sidewalls", H. Xin, J.A. Higgins, J.B. Hacker and M. Kim, IEEE AP-S / URSI Symp., June 2002.

Symposia and Conferences (Referred Publications)

Z. Wu, L. Wang, and H. Xin, "High Frequency Characterization of Carbon Nanotube Films," presented on 33 rd International Conference on Infrared, Millimeter, and THz Waves, Paper ID 1626, Sept. 2008.

H. Xin, Z. Wu, and R. W. Ziolkowski, "Investigation of THz Thermal Emission from Electromagnetic Crystals ," presented on 33 rd International Conference on Infrared, Millimeter, and THz Waves, Paper ID 1372, Sept. 2008.

A. Chaves, B. Mayoral, H.-J. Park, M. Tsang, S. Tunell , M. W. Marcellin, and H. Xin, "Wireless Sensor Networks: A Grocery Store Application," Accepted, International Telemetering Conference (ITC), March, 2008.

B. Duong, Y. Peng, M. Ellis, S. Seraphin, and H. Xin, "Simultaneous Raman Spectroscopy and SEM Analysis of Carbon Nanotubes," Arizona Imaging and Microanalysis Society Meeting, April 2008.

H. Zhang, and H. Xin, "Designs of Dual-Band Wilkinson Power Dividers with Flexible Frequency Ratios," poster on IEEE Intl Microwave Symp., Session WEP2A-05, June 2008.

H. Xin, and Jun Ding, "An Improved Two-Antenna Direction of Arrival (DOA) Technique Inspired by Human Ears," presented on IEEE AP-S Intl Symp., Session 225.4, July 2008.

L. Wang, Z. Wu, and H. Xin, "THz Characterization of Multi-Walled Carbon Nanotube Paper," presented on IEEE AP-S Intl Symp., Session 227.3, July 2008.

H. Zhang, H. Xin, and R. Ziolkowski, "Design of Novel Printed Elliptical Monopole Antenna for UWB Applications," presented on IEEE AP-S Intl Symp., Session 504.1, July 2008.

(Invited) R. W. Ziolkowski, H. Xin, and C. Holloway, "Measurements of Metamaterial Inspired, Electrically Small Antenna Systems", IEEE AP-S / URSI Symp., July 2008.

(Invited) R. Zhou, H. Zhang, and H. Xin, "Radiation Characteristics of Monopole Antenna Embedded in Low Effective Index of Refraction (n < 1) Wire Media," URSI Symp., Jan. 2008.

(Invited) H. Zhang, H. Xin, and R. W. Ziolkowski, "Metamaterial-based Compact CPW-Fed Antenna for 44 GHz Applications," URSI Symp., Jan. 2008.

H. Zhang, Y. Peng, and H. Xin, "Design of Dual-Band Balun with Tapped Stubs", IEEE Radio and Wireless Symp., pp. 859-862, Jan. 2008.

H. Xin, L. Wang, and D. Carnahan, "Characterization of Multi-Walled Carbon Nanotube (MWNT) Papers Using X-Band Waveguides", in IEEE Intl Microwave Symp. Dig., pp. 1181-1184, June 2007.

H. Xin, and R. Zhou, "Low-Effective Index of Refraction Medium Using Metallic Wire Array", in IEEE AP-S Intl Symp. Dig., pp. 2530-2533, June 2007.

H. Xin, E. Wu, A. Young, and R. Ziolkowski, "THz Thermal Radiation Enhancement Using Electromagnetic Crystals", in IEEE AP-S Intl Symp. Dig., pp. 2249-2252, June 2007.

(Invited) H. Kazemi, J. Higgins, B. Herting, H. Xin, J. West, and J. Hacker, "Electromagnetic Bandgap Waveguide (EBG) Phase Shifters to Low-Cost Electronically Scanned Antennas (ESA)", in IEEE AP-S Intl Symp. Dig., pp. 4357-4360, June 2007.

H. Xin, E. Wu, and A. Young, "THz Thermal Radiation Enhancement Using Electromagnetic Crystals", presented on Government Microcircuit Applications and Critical Technology Conference (GOMAC), March, 2007.

H. Xin, and T. C. Chen, "A W-Band Quasi-TEM Waveguide Using Electromagnetic Crystal Surfaces," IEEE Intl Microwave Symp., pp. 606-609, June, 2006.

H. Xin, "Millimeter Wave Components Utilizing Electromagnetic Crystal Surfaces," IEEE Intl Workshop on Antenna Technology (IWAT) - Small Antennas and Novel Metamaterials, pp. 424-427, March, 2006.

H. Xin, J. Leonard, C. Bailey, and Qing Jiang, "Carbon Nanotube with Magnetic Particle Fillings as Nano-Electromechanical Systems (NEMS)," Government Microcircuit Applications and Critical Technology Conference (GOMAC), 28-3, March, 2006.

H. Xin, "Two-Dimensional Millimeter Wave Phase Scanned Lens Using Analog Electromagnetic Crystal (EMXT) Waveguide Phase Shifters", Raytheon RF Symp., May 2004.

J. A. Higgins, and H. Xin, "Tunable Millimeter Wave Band-Pass Filter Using Electromagnetic Crystal Sidewalls", IEEE Intl Microwave Symp., vol. 3, pp. 1295-1298, June 2004.

(Invited) H. Xin, "Incident Angle Dependence of Electromagnetic Crystal Surface Impedance", IEEE URSI Symp., June 2004.

H. Kazemi, L. Tran, H. Xin, D. Deakin, J. Ausen, and J. Hacker, "Novel Via Planarization Scheme for High Resolution Backside Wafer Processing", GaAs MANTECH Conference, 2004.

H. Kazemi, J. B. Hacker, H. Xin, M. Grace, W. Norvell , K. Higgins, and M. Gilbert, "An Ultra-Low Power integrated T/R Module for Space-Based Radar Technology", IEEE Radar Conference, pp. 6-8, April 2004.

J. B. West, H. Xin, J. P. Doane, W. Elsallal and J. C. Mather, "A Dual-Beam, Dual-Band Millimeter Wave ESA Utilizing Dual Analog EBG Waveguide Phase Shifters", Allerton Antenna Applications Symposium, Sept. 2003.

M. Rosker, J. Hacker, H. Xin, H. Kazemi, D. Pilz, J. A. Higgins, "Millimeter Wave Beam Circuits", Government Microcircuit Applications and Critical Technology Conference (GOMAC), March, 2003.

(Invited) H. Xin, H. Kazemi, A. Lee, J. Higgins, and M. Rosker, "Low-Loss Monolithic Electromagnetic Crystal Surfaces with Planar GaAs Schottky Diodes", IEEE AP-S Symposium, vol. 2, pp. 435-438, June, 2003.

(Invited) H. Xin, J.A. Higgins, and M. Kim, "Tunable Millimeter-Wave Electromagnetic Crystal (EMXT) Waveguide Band-Stop Filter", IEEE AP-S Symposium, vol. 2, pp. 1107-1110, June, 2003.

J. B. West, H. Xin, J. C. Mather, J. P. Doane, H. Kazemi and J. A. Higgins, "A Two-Dimensional Millimeter Wave Phase Scanned Lens Utilizing Analog Photonic Band Gap Phase Shifters", Allerton Antenna Applications Symposium, Sept. 2002.

(Invited) H. Xin, J.A. Higgins, J.B. Hacker and M. Kim, "Some Applications of Rectangular Waveguide with Electromagnetic Crystal (EMXT) Sidewalls", IEEE URSI Symp., June 2002.

J. A. Higgins, H. Xin and A. Sailer, "Characteristic of Ka Band Waveguide Using Tunable Electromagnetic Crystal Sidewalls", IEEE Intl Microwave Symp., vol. 2, pp. 1071-1074, June, 2002.

H. Xin, D. E. Oates, G. F. Dresselhaus, and M. S. Dresselhaus, "Microwave Intermodulation Distortion in Bi-Crystal YBCO Grain Boundary Junctions", Material Research Society Symp., December, 2000.

H. Xin, D. E. Oates, G. F. Dresselhaus, and M. S. Dresselhaus, "Mesoscopic Josephson Vortices in YBCO bi-Crystal Grain Boundary Junctions", Material Research Society Symp., December, 1999.

H. Xin, D. E. Oates, A. Anderson, R. Slattery, G. F. Dresselhaus, and M. S. Dresselhaus, "Comparison of Power Dependence of Microwave Surface Resistance of Unpatterned and Patterned YBCO Thin Film", Material Research Society Symp., December, 1998.

C. Hagman et al, "A Large-Scale Search for Dark-Matter Axions". (In *Chicago 1996, Relativistic astrophysics and cosmology* 315-317)

C. Hagman et al, "First Results from a Second Generation Galactic Axion Experiment", Nucl. Phys. Proc. Suppl. 51B:209-212, 1996.

 

United States Patents

J. Cheung, and H. Xin, "Magnetic transducer with ferrofluid end bearings", US Patent No. 7,288,860, October 30 th , 2007.

R. Rosenwald, N. Shah, D. Barker, W. Owens, and H. Xin, "Dynamic Control of Planck Radiation in Photonic Crystals ", US Patent No. 7,257,333, August 14 th , 2007.

J. Higgins, and H. Xin, "Waveguide Band-Stop Filter", US Patent No. 7,250,835, July 31 st , 2007.

M. Tanaka, K. Matsugatani, and H. Xin, "Multiple-Frequency Common Antenna", US Patent No. 7,145,518, Dec. 5 th , 2006. (also issued in Japan )

D. Barker, W. Owens, R. Rosenwald, N. Shah, and H. Xin, "Thermally Powered Tera-Hertz Radiation Source Using Photonic Crystals ", US Patent No. 7,078,697, July 18 th , 2006.

J. Higgins, and H. Xin, "Tunable Waveguide Filter", US Patent No. 7,068,129, June 27 th , 2006.

(Pending) H. Xin, J. Leonard, Q. Jiang, J. Garay, and C. Ozkan, "Particle Encapsulated Nanoswitch", filed February 14 th , 2006, No. PD-05W041.

J. Cheung, and H. Xin, "Multiple Magnet System with Different Magnet Properties", US Patent No. 6,861,772, March 1 st , 2005. (also in several other countries including China and Mexico )

J. Cheung, and H. Xin, "Multiple Magnet Transducer with Differential Magnetic Strengths", US Patent No. 6,812,598, November 2 nd , 2004. (also in several other countries including China and Mexico )

J. Cheung, and H. Xin, "Electrical Generator with Ferrofluid Bearings", US Patent No. 6,812,583, November 2 nd , 2004. (also in several other countries including China and Mexico )

J. Cheung, and H. Xin, "Electrical Generator with Ferrofluid Bearings", US Patent No. 6,809,427, October 26 th , 2004. (also in several other countries including China and Mexico )

J. Cheung, and H. Xin, "Electrical Power Generation by Coupled Magnets", US Patent No. 6,798,090, September 28 th , 2004. (also in several other countries including China and Mexico )

J. Cheung, and H. Xin, "Multiple Magnet Transducers", US Patent No. 6,768,230, July 27 th , 2004. (also in several other countries including China and Mexico )