The Walsworth Group

Harvard-Smithsonian Center for Astrophysics
Harvard University Department of Physics

Research Papers

2012

• Electromagnetically induced transparency-based slow and stored light in warm atoms. I. Novikova, R.L. Walsworth and Y. Xiao. Laser & Photonics Reviews 6, No. 3, 3, 333-353 (2012).
• A robust scanning diamond sensor for nanoscale imaging with single nitrogen-vacancy centres. P. Maletinsky, S. Hong, M.S. Grinolds, B. Hausmann, M.D. Lukin, R.L. Walsworth, M. Loncar, and A. Yacoby. Nature Nanotechnology, doi: 10.1038/nnano.2012.50. arXiv:1108.4437.
• Dependence of nuclear spin singlet lifetimes on RF spin-locking power. S. J. DeVience, R. L. Walsworth, M. S. Rosen. Journal of Magnetic Resonance 218, 5 (2012). arxiv:1201.1482.
  • Supplementary material for the above article.
• Efficient photon detection from color centers in a diamond optical waveguide. D. Le Sage, L. M. Pham, N. Bar-Gill, C. Belthangady, M. D. Lukin, A. Yacoby, R. L. Walsworth. Phys. Rev. B 85, 121202(R) (2012). arxiv:1201.0674.
  • Supplementary material for the above article.
• Coherent, mechanical control of a single electronic spin. S. Hong, M. S. Grinolds, P. Maletinsky, R. L. Walsworth, M. D. Lukin, A. Yacoby. arxiv:1202.1823.
• Enhanced solid-state multi-spin metrology using dynamical decoupling. L. M. Pham, N. Bar-Gill, C. Belthangady, D. Le Sage, P. Cappellaro, M. D. Lukin, A. Yacoby, R. L. Walsworth. arxiv:1201.5686.

2011

• Spectroscopy of composite solid-state spin environments for improved metrology with spin ensembles. N. Bar-Gill, L. M. Pham, C. Belthangady, D. Le Sage, P. Cappellaro, J. R. Maze, M. D. Lukin, A. Yacoby, R. Walsworth. arxiv:1112.0667.
• Magnetic field imaging with nitrogen-vacancy ensembles. L.M. Pham, D. Le Sage, P.L. Stanwix, T.K. Yeung, D. Glenn, A. Trifonov, P. Cappellaro, P.R. Hemmer, M.D. Lukin, H. Park, A. Yacoby and R.L. Walsworth. New Journal of Physics 13 045021 (2011).
• Quantum control of proximal spins using nanoscale magnetic resonance imaging. M.S. Grinolds, P. Maletinsky, S. Hong, M.D. Lukin, R.L Walsworth, and A. Yacoby. Nature Physics, 7 687 (2011).
  • Supplementary material for the above Nature Physics article.
• Electromagnetically induced transparency in paraffin-coated vapor cells. M. Klein, M. Hohensee, D. F. Phillips, and R. L. Walsworth. Phys. Rev. A 83 013826 (2011).
   

2010

• Broadband dispersion-free optical cavities based on zero group delay dispersion mirror sets. L.J. Chen, G. Chang, C.H Li, A.J. Benedick, D.F. Philips, R.L. Walsworth and F.X. Kärtner. Optics Express,18 23294 (2010).
• Far-field optical imaging and manipulation of individual spins with nanoscale resolution. P.C. Maurer, J.R. Maze, P.L. Stanwix, L. Jiang, A.V. Gorshkov, A.A. Zibrov, B. Harke, J.S. Hodges, A.S. Zibrov, D. Twitchen, S.W. Hell, R.L. Walsworth and M.D. Lukin. Nature Physics, 6 912 (2010).
• Coherence of Nitrogen-Vacancy Electronic Spin Ensembles in Diamond. P.L. Stanwix, L.M. Pham, J.R. Maze, D. Le Sage, T.K. Yeung, P. Cappellaro, P.R. Hemmer, A. Yacoby, M.D. Lukin, and R.L. Walsworth. Physical Review B, Rapid Communications,82 201201(R) (2010).
• Improved Constraints on Isotropic Shift and Anisotropies of the Speed of Light using Rotating Cryogenic Sapphire Oscillators. M.A. Hohensee, P.L. Stanwix, M.E. Tobar, S.R. Parker, D.F. Phillips, and R.L. Walsworth. Physical Review D,82 076001 (2010). 
• In-situ determination of astro-comb calibrator lines to better than 10 cm/s. C.-H. Li, A. Glenday, A. J. Benedick, G. Chang, L.-J. Chen, C. Cramer, P. Fendel, G. Furesz, F. Kärtner, S. Korzennik, D. Phillips, D. Sasselov, A. Szentgyorgyi, and R. Walsworth. Optics Express, 18, 13239-13249 (2010). arXiv:1006.0492.
  
• Visible Wavelength Astro-comb. A.J. Benedick, G. Chang, J.R. Birge, L-J Chen, A.G. Glenday, C-H Li, D.F. Phillips, A. Szentgyorgyi, S. Korzennik, G. Furesz, R.L. Walsworth and F.X. Kärtner. Optics Express, 18, 19175 (2010).
• Toward a Broadband Astro-comb: Effects of Nonlinear Spectral Broadening in Optical Fibers. G. Chang, C-H Li, D.F. Phillips, R.L. Walsworth, and F.X. Kärtner. Optics Express, 18, 12736-12747 (2010).
• Coherent population trapping resonance with linearly polarized light for all-optical miniature atomic clocks. S. A. Zibrov, I. Novikova, D. F. Phillips, R. L. Walsworth, A. S. Zibrov, V. L. Velichansky, A. V Taichenachev, and V. I. Yudin. Physical Review A, 81, 013833 (2010).
   

2009

• Silicon Nanoparticles as Hyperpolarized Magnetic Resonance Imaging Agents. J.W. Aptekar, M.C. Cassidy, A.C. Johnson, R.A. Barton, M.Y. Lee, A.C. Ogier, C. Vo, M.N. Anahtar, Y. Ren, S.N. Bhatia, C. Ramanathan, D.G. Cory, A.L. Hill, R.W. Mair, M.S. Rosen, R.L. Walsworth and C.M. Marcus. ACS Nano. 3 12, 4003-4008 (2009).
  • Supporting material for the above ACS Nano Silicon Nanoparticle aticle. 
• Electromagnetically induced transparency with noisy lasers. Y. Xiao, T. Wang, M. Baryakhtar, M. Van Camp, M. Crescimanno, M. Hohensee, L. Jiang, D.F. Phillips, M.D. Lukin, S.F. Yellin, and R.L. Walsworth. Physical Review A, 80, 041805 (2009).
• Repetitive Readout of a Single Electronic Spin via Quantum Logic with Nuclear Spin Ancillae. L. Jiang, J.S. Hodges, J.R. Maze, P. Maurer, J.M. Taylor, D.G. Cory, P.R. Hemmer, R.L. Walsworth, A.Yacoby, A.S. Zibrov, and M.D. Lukin. Science, 326, 267 (2009).
• Slow light in narrow paraffin-coated vapor cells. M. Klein, M. Hohensee, A. Nemiroski, Y. Xiao, D.F. Phillips and R.L. Walsworth. Applied Physics Letters, 95, 091102 (2009).
• Stored light and EIT at high optical depths. M. Klein, Y. Xiao, M. Hohensee, D.F. Phillips and R.L. Walsworth. 0812.4939.
• Limits on isotropic Lorentz violation in QED from collider physics. M. Hohensee, R. Lehnert, D.F. Phillips and R.L. Walsworth. Physical Review D, 80, 036010 (2009).
• Low-loss negative refraction by laser induced magneto-electric cross-coupling. J. Kastel, M. Fleischhauer, S.F. Yelin and R.L. Walsworth. Physical Review A, 79, 063818 (2009). 0901.0664v1.
• Slow-Light Dynamics from Electromagnetically-Induced-Transparency Spectra. M. Klein, M. Hohensee, Y. Xiao, R. Kalra, D.F. Phillips and R.L. Walsworth. Physical Review A, 79, 053833 (2009).
• Particle-Accelerator Constraints on Isotropic Modifications of the Speed of Light. M.A. Hohensee, R. Lehnert, D.F. Phillips and R.L. Walsworth. Physical Review Letters, 102, 170402 (2009). 0809.3442.
• Surface Plasmon Resonance Enhanced Magneto-Optics (SuPREMO): Faraday Rotation Enhancement in Gold-Coated Iron Oxide Nanocrystals. P.K. Jain, Y. Xiao, R.L. Walsworth and A.E. Cohen. Nano Letters, 9, 1644-1650 (2009).
• Quantum Physics Exploring Gravity in the outer Solary System: The Sagas Project. P. Wolf, C.J. Borde, A. Clairon, L. Duchayne, A. Landragin, P. Lemonde, G. Santarelli, W. Ertmer, E. Rasel, F.S. Cataliotti, M. Inguscio, G.M. Tino, P. Gill, H. Klein, S. Reynaud, C. Salomon, E. Peik, O. Bertolami, P. Gil, J. Páramos, C. Jentsch, U. Johann, A. Rathke, P. Bouyer, L. Cacciapuoti, D. Izzo, P. De Natale, B. Christophe, P. Touboul, S.G. Turyshev, J.D. Anderson, M.E. Tobar, F. Schmidt-Kaler, J. Vigue, A. Madej, L. Marmet, M-C. Angonin, P. Delva, P. Tourrenc, G. Metris, H. Müller, R. Walsworth, Z.H. Lu, L. Wang, K. Bongs, A. Toncelli, M. Tonelli, H. Dittus, C. Lämmerzahl, G. Galzerano, P. Laporta, J. Laskar, A. Fienga, F. Roques and K. Sengstock. Experimental Astronomy, 23, 651-687 (2009). 0711.0304.
   

2008

• Limits on Anomalous Spin-Spin Couplings between Neutrons. A.G. Glenday, C.E. Cramer, D.F. Phillips and R.L. Walsworth. Physical Review Letters, 101, 261801(2008).
• High-sensitivity diamond magnetometer with nanoscale resolution. J.M. Taylor, P. Cappellaro, L. Childress, L. Jiang, D. Budker, P.R. Hemmer, A. Yacoby, R.L. Walsworth and M.D. Lukin. Nature Physics 4, 810-816 (2008).
• Nanoscale magnetic sensing with an individual electronic spin in diamond. J.R. Maze, P.L. Stanwix, J.S. Hodges, S. Hong, J.M. Taylor, P. Cappellaro, L. Jiang, M.V. Gurudev Dutt, E. Togan, A.S. Zibrov, A. Yacoby, R.L. Walsworth and M.D. Lukin. Nature 455, 644-648 (2008).
• Repeated interaction model for diffusion-induced Ramsey narrowing. Y. Xiao, I. Novikova, D.F. Phillips and R.L. Walsworth. Optics Express, 16, 14128-14141 (2008).
• Slow Light Beam Splitter. Y. Xiao, M. Klein, M. Hohensee, L. Jiang, D.F. Phillips, M.D. Lukin and R.L. Walsworth. Physical Review Letters, 101, 043601 (2008).
• An Open-Access, Very-Low-Field MRI System for Posture-Dependent ³He Human Lung Imaging. L. L. Tsai, R.W. Mair, M.S. Rosen, S. Patz and R.L. Walsworth. Journal of Magnetic Resonance, 193, 274-285 (2008).
• Lineshape Asymmetry for joint CPT and three photon N resonances. C. Hancox, M. Hohensee, M. Crescimanno, D.F. Phillips and R.L. Walsworth. Optics Letters, 33, 1536-1538 (2008). physics/0805.3384.
• Posture-Dependent Human ³He Lung Imaging in an Open Access MRI System: Initial Results. L. L. Tsai, R.W. Mair, C.H. Li, M.S. Rosen, S. Patz and R.L. Walsworth. Academic Radiology, 15, 728-739 (2008). physics/0707.3455.
• A laser frequency comb that enables radial velocity measurements with a precision of 1 cm s^-1.  C.-H. Li, A.J. Benedick, P. Fendel, A.G. Glenday, F.X. Kartner, D.F. Phillips, D. Sasselov, A. Szentgyorgyi and R.L. Walsworth. Nature 452, 610-612 (2008). 0804.0955.
• Optimizing slow and stored light for multidisciplinary applications. M. Klein, Y. Xiao, A.V. Gorshkov, M. Hohensee, C.D. Leung, M.R. Browning, D.F. Phillips, I. Novikova and R.L. Walsworth. Proceedings of SPIE 6904, 69040C1-69040C9 (2008).
   

2007

• Space-based research in fundamental physics and quantum technologies. S.G. Turyshev, U.E. Israelsson, M. Shao, N. Yu, A. Kusenko, E.L. Wright, C.W.F. Everitt, M. Kasevich, J.A. Lipa, J.C. Mester, R.D. Reasenberg, R.L. Walsworth, N. Ashby, H. Gould and H.J. Paik. International Journal of Modern Physics D 16, 1879-1925 (2007). 0711.0150.
• Slow light with integrated gain and large pulse delay. I. Novikova, D.F. Phillips and R.L. Walsworth. Physical Review Letters 99, 173604 (2007). physics/0706.3945.
• NMR measurements of grain and gas motion in a gas-fluidized granular bed. D. Candela, C. Huan, K. Facto, R. Wang, R.W. Mair and R.L. Walsworth. Granular Matter, 9, 331-335 (2007). cond-mat/0510611.
• Tunable negative refraction without absorption via electromagnetically induced chirality. J. Kastel, M. Fleischhauer, S.F. Yelin and R.L. Walsworth. Physical Review Letters 99, 073602 (2007).
• Noninvasive measurements of gas exchange in a three-dimensional fluidized bed using hyperpolarized ¹²⁹Xe NMR. T. Pavlin, R. Wang, R. McGorty, M.S. Rosen, D.G. Cory, D. Candela, R.W. Mair and R.L. Walsworth. Applied Magnetic Resonance, 32, 93-112 (2007). cond-mat/0605436.
• Understanding the breakdown of Fourier’s law in granular fluids. D. Candela and R.L. Walsworth. American Journal of Physics, 75, 754-757 (2007). cond-mat/0510295.
• Optimal control of light pulse storage and retrieval. I. Novikova, A.V. Gorshkov, D.F. Phillips, A.S. Sorensen, M.D. Lukin and R.L. Walsworth. Physical Review Letters 98, 243602 (2007). quant-ph/0702266.
• Optimization of slow and stored light in atomic vapor. I. Novikova, A.V. Gorshkov, D.F. Phillips, Y. Xiao, M. Klein and R.L. Walsworth. Proceedings of SPIE 6482, 64820M1-64820M11 (2007).
   

2006

• Slow light in paraffin-coated Rb vapor cells. M. Klein, I. Novikova, D.F. Phillips and R.L. Walsworth. Journal of Modern Optics, 53, 2583-2591 (2006). quant-ph/0602131.
• A System for Open-Access ³He Human Lung Imaging at Very Low Field. I.C. Ruset, L.L. Tsai, R.W. Mair, S. Patz, M.I. Hrovat, M.S. Rosen, I. Muradian, J. Ng, G.P. Topulos, J.P. Butler,  R.L. Walsworth and F.W. Hersman. Concepts in Magnetic Resonance Part B: Magnetic Resonance Engineering, 29B, 210-221 (2006).
• Comparison of ⁸⁷Rb N-resonances for D1 and D2 transitions. I. Novikova, D.F. Phillips, A.S. Zibrov, R.L. Walsworth, A.V. Taichenachev and V.I. Yudin. Optics Letters, 31, 2353-2355 (2006). physics/0601079.
• Interstitial gas and density-segregation in vertically-vibrated granular media. M. Klein, L.L. Tsai, M.S. Rosen, D. Candela, T. Pavlin and R.L. Walsworth. Physical Review E, 74, 010301(R) (2006). cond-mat/0506085.
• Cancellation of light-shifts in an N-resonance clock. I. Novikova, A.V. Taichenachev, V.I. Yudin, D.F. Phillips, A.S. Zibrov and R.L. Walsworth. Optics Letters, 31, 622-624 (2006). physics/0509104.
• Diffusion-induced Ramsey narrowing. Y. Xiao, I. Novikova, D.F. Phillips and R.L. Walsworth. Physical Review Letters, 96, 043601 (2006). quant-ph/0507188.
   

2005

• EIT and diffusion of atomic coherence. I. Novikova, Y. Xiao, D.F. Phillips and R.L. Walsworth. Journal of Modern Optics, 52, 2381–2390 (2005). quant-ph/0505186.
• Three-photon-absorption resonance for all-optical atomic clocks. S. Zibrov, I. Novikova, D.F. Phillips, V.A. Taichenachev, V.I. Yudin, R.L. Walsworth and A.S. Zibrov. Physical Review A, 72, 011801(R) (2005).
• Optimizing stored light efficiency in vapor cells. I. Novikova, M. Klein, D.F. Phillips and R.L. Walsworth. Proceedings of SPIE 5735, 87-97 (2005).
• Quantum control of light using electromagnetically induced transparency. A. Andre, M.D. Eisaman, R.L. Walsworth, A.S. Zibrov, and M.D. Lukin. Journal of Physics B: Atomic Molecular and Optical Physics, 38, S589-S604 (2005).
• ³He Lung Imaging in an Open Access, Very-Low-Field Human MRI System. R.W. Mair, M.I. Hrovat, S. Patz, M.S. Rosen, I.C. Ruset, G.P. Topulos, L.L. Tsai, J.P. Butler, F.W. Hersman and R.L. Walsworth. Magnetic Resonance in Medicine, 53, 745-749 (2005). physics/0403090.
• Study of Gas-Fluidization Dynamics with Laser-Polarized ¹²⁹Xe. R. Wang, M.S. Rosen, D. Candela, R.W. Mair and R. L. Walsworth. Magnetic Resonance Imaging, 23, 203-207 (2005). cond-mat/0407708.
• Xenon NMR Measurements of Permeability and Tortuosity in Reservoir Rocks. R. Wang, T. Pavlin, M.S. Rosen, R.W. Mair, D.G. Cory and R. L. Walsworth. Magnetic Resonance Imaging, 23, 329-331 (2005). cond-mat/0407710.
• Modulation induced frequency shifts in a CPT-based atomic clock. D.F. Phillips, I. Novikova, C. Y.-T. Wang, M. Crescimanno, and R.L. Walsworth. Journal of the Optical Society of America B 22, 305-310 (2005). physics/0404076.
   

2004

• Bound on Lorentz- and CPT-Violating Boost Effects for the Neutron. F. Cane, D. Bear, D.F. Phillips, M.S. Rosen, C.L. Smallwood, R.E. Stoner, R.L. Walsworth, and V.A. Kostelecky, Physical Review Letters, 93, 230801 (2004). physics/0309070.
• Simultaneous Measurement of Rock Permeability and Effective Porosity using Laser-Polarized Noble Gas NMR. R. Wang, R.W. Mair, M.S. Rosen, D.G. Cory, and R.L. Walsworth. Physical Review E, 70, 026312 (2004). cond-mat/0312543.
• Dynamic Optical Bistability in Resonantly Enhanced Raman Generation. I. Novikova, A.S. Zibrov, D.F. Phillips, A. Andre, and R.L. Walsworth. Physical Review A, 69, 061802(R) (2004). quant-ph/0404065.
• NMR Experiments on a Three-Dimensional Vibrofluidized Granular Medium. C. Huan, X. Yang, D. Candela, R.W. Mair, and R.L. Walsworth. Physical Review E, 69, 041302 (2004). cond-mat/0305267.
   

2003

• Testing Lorentz and CPT symmetry with hydrogen masers. M.A. Humphrey, D.F. Phillips, E.M. Mattison, R.E. Stoner, R.F.C. Vessot, and R.L. Walsworth. Physical Review A 68, 063807 (2003). physics/0103068.
• Atomic Memory for Correlated Photon States. (Xpress). C.H. van der Wal, M.D. Eisaman, A. Andre, R.L. Walsworth, D.F. Phillips, A.S. Zibrov and M.D. Lukin. Science, 301, 196-200; Published online 22 May 2003, (10.1126/science.1085946).
• Towards non-classical light storage via atomic-vapor Raman scattering. C.H. van der Wal, M.D. Eisaman, A.S. Zibrov, A. André, D. F. Phillips, R.L. Walsworth, and M.D. Lukin. Proceedings of SPIE 5115, 236 (2003).
• Applications of Controlled-Flow Laser-Polarized Xenon Gas to Porous and Granular Media Study. R.W. Mair, R. Wang, M.S. Rosen, D. Candela, D.G. Cory, and R.L. Walsworth. Magnetic Resonance Imaging 21, 287 (2003). cond-mat/0211180.
   

2002

• Diffusion NMR Methods Applied to Xenon Gas for Materials Study. R.W. Mair, M.S. Rosen, R. Wang, D.G. Cory, and R.L. Walsworth. Magnetic Resonance in Chemistry, 40, S29 (2002). cond-mat/0211179.
• Measurement of the ²¹Ne Zeeman frequency shift due to Rb-²¹Ne collisions. R.E. Stoner and R.L. Walsworth. Physical Review A 66, 032704 (2002). physics/0007085.
• The Narrow Pulse Approximation and Long Length Scale Determination in Xenon Gas Diffusion NMR Studies of Model Porous Media. R.W. Mair, P.N. Sen, M.D. Hürlimann, S. Patz, D.G. Cory, and R.L. Walsworth. Journal of Magnetic Resonance 156, 202(2002). cond-mat/0211182.
• Novel MRI Applications of Laser-Polarized Noble Gases. R.W. Mair and R.L. Walsworth. Applied Magnetic Resonance 22, 159 (2002).
• Measuring surface-area-to-volume ratios in soft porous materials using laser-polarized xenon interphase exchange NMR. J.P. Butler, R.W. Mair, S. Patz, D. Hoffmann, M.I. Hrovat, R.A. Rogers, G.P. Topulos, and R.L. Walsworth. Journal of Physics: Condensed Matter 14, L297 (2002). cond-mat/0108344.
• Measurements of Grain Motion in a Dense, Three Dimensional Granular Fluid. X. Yang, C. Huan, D. Candela, R.W. Mair, and R.L. Walsworth. Physical Review Letters 88, 044301(2002). cond-mat/0108256.
• Phase coherence and control of stored photonic information. A. Mair, J. Hager, D.F. Phillips, R.L. Walsworth, and M.D. Lukin. Physical Review A 65, 031802 (2002). quant-ph/0108046.
   

2001

• Tortuosity Measurement and the Effects of Finite Pulse Widths on Xenon Gas Diffusion NMR Studies of Porous Media. R.W. Mair, M.D. Hürlimann, P.N. Sen, L.M. Schwartz, S. Patz, and R.L. Walsworth. Magnetic Resonance Imaging 19, 345 (2001). cond-mat/0211184.
• Limit on Lorentz and CPT violation of the proton using a hydrogen maser. D.F. Phillips, M.A. Humphrey, E.M. Mattison, R.E. Stoner, R.F.C. Vessot, and R.L. Walsworth. Physical Review D 63, 111101 (2001). physics/0008230.
• Measurement of persistence in 1-D diffusion. G.P. Wong, R.W. Mair, R.L. Walsworth, and D.G. Cory. Physical Review Letters 86, 4156 (2001). physics/0008248.
• Storage of light in atomic vapor. D.F. Phillips, A. Fleischhauer, A. Mair, R.L. Walsworth, and M.D. Lukin. Physical Review Letters 86, 783 (2001). quant-ph/0012138.
   

2000

• Limit on Lorentz and CPT violation of the neutron using a two species noble gas maser. D. Bear, R.E. Stoner, R.L. Walsworth, V.A. Kostelecky, and C.D. Lane. Physical Review Letters 85, 5038 (2000). physics/0007049. 
  • Erratum: Limit on Lorentz and CPT Violation of the Neutron Using a Two-Species Noble-Gas Maser. D. Bear, R. E. Stoner, R. L. Walsworth, V.A. Kostelecky, and C.D. Lane. Physical Review Letters 89, 209902(E) (2002).
• Analytical estimate of the critical velocity for vortex pair creation in trapped Bose condensates. M. Crescimanno, C.G. Koay, R. Peterson, and R.L. Walsworth. Physical Review A 62, 63612 (2000). cond-mat/0001163.
• Double resonance frequency shift in a hydrogen maser. M.A. Humphrey, D.F. Phillips, and R.L. Walsworth. Physical Review A 62, 63405 (2000). physics/0007056. 
  • Erratum: Double resonance frequency shift in a hydrogen maser. M.A. Humphrey, D.F. Phillips, and R.L. Walsworth. Physical Review A 63, 59901 (2001).
• Reduced xenon diffusion for quantitative lung study - the role of SF₆. R.W. Mair, D. Hoffmann, S.A. Sheth, G.P. Wong, J.P. Butler, S. Patz, G.P. Topulos, and R.L. Walsworth. NMR in Biomedicine 13, 229 (2000).
• Magnetic resonance imaging of convection in laser-polarized xenon. R.W. Mair, C.H. Tseng, G.P. Wong, D.G. Cory, and R.L. Walsworth. Physical Review E 61, 2741 (2000).
   

1999

• A system for low field imaging of laser-polarized noble gas. G.P. Wong, C.H. Tseng, V.R. Pomeroy, R.W. Mair, D.P. Hinton, D. Hoffmann, R.E. Stoner, F.W. Hersman, D.G. Cory, and R.L. Walsworth. Journal of Magnetic Resonance 141, 217 (1999).
• Probing porous media with gas diffusion NMR. R.W. Mair, G.P. Wong, D. Hoffmann, M.D. Hurlimann, S. Patz, L.M. Schwartz, and R.L. Walsworth. Physical Review Letters 83, 3324 (1999).
• Single-shot diffusion measurement. S. Peled, C.H. Tseng, A. Sodickson, R.W. Mair, R.L. Walsworth, D.G. Cory. Journal of Magnetic Resonance 140, 320 (1999).
• Characterization of fiber-coupled Opto Power laser diode arrays. D.F. Phillips, G.P. Wong, D. Bear, R.E. Stoner, and R.L. Walsworth. Review of Scientific Instruments 70, 2905 (1999).
  • A summary of the properties of our laser diode arrays is available here.
• Magnetic resonance imaging of laser polarized liquid xenon. C.H. Tseng, R.W. Mair, G.P. Wong, D. Williamson, D.G. Cory, and R.L. Walsworth. Physical Review E 59, 1785 (1999).
   

1998

• Pulsed-field-gradient measurements of time-dependent gas diffusion. R.W. Mair, D.G. Cory, S. Peled, C.H. Tseng, S. Patz, and R.L. Walsworth. Journal of Magnetic Resonance 135, 478 (1998).
• Low field MRI of laser polarized noble gas. C.H. Tseng, G.P. Wong, V.R. Pomeroy, R.W. Mair, D.P. Hinton, D. Hoffmann, R.E. Stoner, F.W. Hersman, D.G. Cory, and R.L. Walsworth. Physical Review Letters 81, 3785 (1998).
• Improved frequency stability of the dual noble gas maser. D. Bear, T.E. Chupp, K. Cooper, S. DeDeo, M.A. Rosenberry, R.E. Stoner, and R.L. Walsworth. Physical Review A 57, 5006 (1998).
   

1997

• Higher energy collective excitations in trapped Bose condensates. L. You, R. Walsworth, and W. Hoston. Optics Express 1, 293 (1997).
• NMR of laser polarized ¹²⁹Xe in blood foam. C.H. Tseng, S. Peled, L. Nascimben, E. Oteiza, R.L. Walsworth, and F.A. Jolesz. Journal of Magnetic Resonance 126, 79 (1997).
• Selective creation of quasi-particles in trapped Bose condensates. R. Walsworth and L. You. Physical Review A 56, 555 (1997).
   

1996

• Gradient echo imaging considerations for hyperpolarized ¹²⁹Xe MR. L. Zhao, R. Mulkern, C.H. Tseng, D. Williamson, S. Patz, R. Kraft, R.L. Walsworth, F.A. Jolesz, and M.S. Albert. Journal of Magnetic Resonance, Series B 113, 179 (1996).
• Determinants of tissue delivery for ¹²⁹Xe magnetic resonance in humans. S. Peled, F.A. Jolesz, C.H. Tseng, L. Nascimben, M.S. Albert, and R.L. Walsworth. Magnetic Resonance in Medicine 36, 340 (1996).
• Demonstration of a two species noble gas maser. R.E. Stoner, M.A. Rosenberry, J.T. Wright, T.E. Chupp, E.R. Oteiza, and R.L. Walsworth. Physical Review Letters 77, 3971 (1996).
• Temporal dynamics of hyperpolarized ¹²⁹Xe resonances in living rats. K. Sakai, A.M. Bilek, E. Oteiza, R.L. Walsworth, D. Balamore, F.A. Jolesz, and M.S. Albert. Journal of Magnetic Resonance, Series B 111, 300 (1996).
• Hyperpolarized ¹²⁹Xe MR imaging of the oral cavity. M.S. Albert, C.H. Tseng, D. Williamson, E.R. Oteiza, R.L. Walsworth, B. Kraft, D. Kacher, B.L. Holman, and F.A. Jolesz. Journal of Magnetic Resonance, Series B 111, 204 (1996).
   

1994

• Spin-exchange-pumped ³He and ¹²⁹Xe Zeeman masers. T.E. Chupp, R.J. Hoare, R.L. Walsworth, and B. Wu, Physical Review Letters 72, 2363 (1994).
• Recent investigations with the Harvard-Smithsonian cryogenic hydrogen maser. R.L. Walsworth, E.M. Mattison, R.F.C. Vessot, and I.F. Silvera. Physica B 194-196, 915 (1994).
   

1992

• Measurement of a hyperfine-induced spin-exchange frequency shift in atomic hydrogen. R.L. Walsworth, I.F. Silvera, E.M. Mattison, and R.F.C. Vessot. Physical Review A 46, 2495 (1992).
   

1990

• Nonlinear quantum mechanics for systems of composite spin. R.L. Walsworth and I.F. Silvera. Physical Review A 42, 63 (1990).
• Test of the linearity of quantum mechanics in an atomic system with a hydrogen maser. R.L. Walsworth, I.F. Silvera, E.M. Mattison, and R.F.C. Vessot. Physical Review Letters 64, 2599 (1990).
   

1987

• A hydrogen maser at temperatures below 1 K. R.F.C. Vessot, E.M. Mattison, R.L. Walsworth, I.F. Silvera, H.P. Godfried, and C.C. Agosta. IEEE Transactions on Instrumentation and Measurements IM-36, 588 (1987).
   

1986

• Hydrogen maser at temperatures below 1 K. R.L. Walsworth, I.F. Silvera, H.P. Godfried, C.C. Agosta, R.F.C. Vessot, and E.M. Mattison. Physical Review A 34, 2550 (1986).
   

1984

• Transport properties in ³He-⁴He mixtures near the superfluid transition. D. Gestrich, R. Walsworth, and H. Meyer, Journal of Low Temperature Physics 54, 37 (1984).

 

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