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Imaging arbitrary incoherent source distributions with near quantum-limited resolution

Publikováno v: Sci Rep 12, 2810 (2022)

We demonstrate an approach to obtaining near quantum-limited far-field imaging resolution of incoherent sources with arbitrary distributions. Our method assumes no prior knowledge of the source distribution, but rather uses an adaptive approach to im

Externí odkaz: http://arxiv.org/abs/2106.13332

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Nonlinear absorption in dielectric metamaterials

Autor: Slovick, Brian, Zipp, Lucas, Krishnamurthy, Srini

Publikováno v: Scientific reports 7, 17245 (2017)

We solve the nonlinear Maxwell equations in an InP-based dielectric metamaterial, considering both two-photon absorption and photo-induced free-carrier absorption. We obtain the intensity-dependent reflection, absorption, and effective permittivity a

Externí odkaz: http://arxiv.org/abs/1709.09726

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Transfer matrix method for four-flux radiative transfer

Autor: Slovick, Brian, Flom, Zachary, Zipp, Lucas, Krishnamurthy, Srini

Publikováno v: Applied Optics 56(21), 5890 (2017)

We develop a transfer matrix formalism for four-flux radiative transfer models, which is ideally suited for studying transport through multiple scattering layers. The model, derived for spherical particles within the diffusion approximation, predicts

Externí odkaz: http://arxiv.org/abs/1705.05453

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Imaging the Breakdown of Molecular-Frame Dynamics through Rotational Uncoupling

Autor: Zipp, Lucas J., Natan, Adi, Bucksbaum, Philip H.

Publikováno v: Phys. Rev. A 95, 061403 (2017)

We demonstrate the breakdown of molecular-frame dynamics induced by the uncoupling of molecular rotation from electronic motion in molecular Rydberg states. We observe this non-Born-Oppenheimer regime in the time domain through photoelectron imaging

Externí odkaz: http://arxiv.org/abs/1606.02663

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Enhancement of strong-field multiple ionization in the vicinity of the conical intersection in 1,3-cyclohexadiene ring opening

Autor: Petrovic, Vladimir S., Schorb, Sebastian, Kim, Jaehee, White, James, Cryan, James P., Glownia, J. Michael, Zipp, Lucas, Broege, Douglas, Miyabe, Shungo, Tao, Hongli, Martinez, Todd, Bucksbaum, Philip H.

Nonradiative energy dissipation in electronically excited polyatomic molecules proceeds through conical intersections, loci of degeneracy between electronic states. We observe a marked enhancement of laser-induced double ionization in the vicinity of

Externí odkaz: http://arxiv.org/abs/1212.3728

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