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W S Warren

Explore the profile of W S Warren including associated specialties, affiliations and a list of published articles. Areas
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Articles 53
Citations 449
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Recent Articles
1.
Theis T, Feng Y, Wu T, Warren W
J Chem Phys . 2014 Jan; 140(1):014201. PMID: 24410222
Hyperpolarization methods, which can enhance nuclear spin signals by orders of magnitude, open up important new opportunities in magnetic resonance. However, many of these applications are limited by spin lattice...
2.
Stokes A, Wilson J, Warren W
J Magn Reson . 2012 Sep; 223:31-40. PMID: 22975234
Improved understanding of the entrapment, transport, and release of drugs and small molecules within vesicles is important for drug delivery. Most methods rely on contrast agents or probe molecules; here,...
3.
Chen Y, Branca R, Warren W
J Chem Phys . 2012 Jun; 136(20):204509. PMID: 22667573
For more than three decades, the classical or mean-field picture describing the distant dipolar field has been almost always simplified to an effective field proportional to the local longitudinal magnetization,...
4.
Haner M, Warren W
Appl Opt . 2010 May; 26(17):3687-94. PMID: 20490124
We have produced complex software adjustable laser pulse shapes with ~10-ps resolution, and pulse energies up to 100 microJ for spectroscopic applications. The key devices are a high damage threshold...
5.
Hillegas C, Tull J, Goswami D, Strickland D, Warren W
Opt Lett . 2009 Oct; 19(10):737-9. PMID: 19844429
We demonstrate a new pulse-shaping technique, using an acousto-optic modulator as a spatial modulator in a zero-dispersion delay line. Compared with existing techniques, this approach simplifies optical alignment and dramatically...
6.
Haner M, Warren W
Opt Lett . 2009 Sep; 12(6):398-400. PMID: 19741744
We demonstrate that fiber-optic compression can be sufficiently well characterized to permit generation of an arbitrarily shaped, 1-psec-resolution laser pulse from a predistorted, much longer pulse. Coupled with our previously...
7.
Branca R, Galiana G, Warren W
J Chem Phys . 2008 Aug; 129(5):054502. PMID: 18698909
This report introduces a new approach that enhances nonlinear solution magnetic resonance signals from intermolecular dipolar interactions. The resulting signals can theoretically be as large as the full equilibrium magnetization....
8.
Davis J, Fetterman M, Warren W, Goswami D
J Chem Phys . 2008 Apr; 128(15):154312. PMID: 18433214
We examine the propagation of shaped (amplitude- and frequency-modulated) ultrafast laser pulses through optically dense rubidium vapor. Pulse reshaping, stimulated emission dynamics, and residual electronic excitation all strongly depend on...
9.
Yang W, Keusters D, Goswami D, Warren W
Opt Lett . 2007 Dec; 23(23):1843-5. PMID: 18091932
A fast, ultrafine-tunable delay line at 1550 nm is demonstrated by use of acousto-optic pulse shaping. Delays of up to 30 ps can be achieved without any optical readjustment. The...
10.
Yang W, Fetterman M, Davis J, Warren W
Opt Lett . 2007 Dec; 25(1):22-4. PMID: 18059769
Ultrafast pulse shaping and ultrafast pulse spectral phase-retrieval techniques are used in the spectral interference measurement of nonlinear pulse propagation dynamics in dispersion-shifted optical fiber. Nonlinear responses in both amplitude...