Laser-induced breakdown spectroscopy with laser irradiation resonant with vibrational transitions

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• Applied Optics, Vol. 49 Issue 13, pp.C1-C7 (2010)
• Khachatrian, Ani; Dagdigian, Paul J
• An investigation of laser-induced breakdown spectroscopy (LIBS) of polymers, both in bulk form and spin coated on Si wafers, with laser irradiation in the mid-infrared spectral...

Analysis of the self-imaging effect in plasmonic multimode waveguides

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• Applied Optics, Vol. 49 Issue 7, pp.A1-A10 (2010)
• Edelmann, André G; Helfert, Stefan F; Jahns, Jürgen
• We present studies on the propagation of plasmon waves in metallic multimode waveguides surrounded by a dielectric medium. The permittivity of the metal was determined by a Drude...

Visible frequency magnetic activity in silver nanocluster metamaterial

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• Applied Optics, Vol. 49 Issue 7, pp.A11-A17 (2010)
• Tamma, Venkata Ananth; Lee, Jin-Hyoung; Wu, Qi; Park, Wounjhang
• We experimentally observe magnetic resonance in the visible frequency region from self-assembled silver nanocluster metamaterials. Extensive numerical modeling studies were conducted...

Focusing surface waves with an inhomogeneous metamaterial lens

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• Applied Optics, Vol. 49 Issue 7, pp.A18-A22 (2010)
• Escobar, Marco A; Berthomé, Matthieu; Ma, Changbao; Liu, Zhaowei
• We propose a new type of surface wave lens that is made of a circular in-plane inhomogeneous metamaterial slab and numerically demonstrate its capability to focus surface waves at...

Numerical solution of surface plasmon polariton mode propagating on spatially periodic metal-dielectric interface

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• JOSA B, Vol. 26 Issue 12, pp.B11-B20 (2009)
• Feng, Xue; Ke, Weiwei; Tang, Xuan; Huang, Yidong; Zhang, Wei; Peng, Jiangde
• To obtain the numerical solution of normal surface plasmon polariton (SPP) modes of free oscillations of the electromagnetic field on a cylindrical periodic dielectric-metal...

Depth-resolved measurement of phase gradients in a transient phase object field using pulsed digital holography

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• Applied Optics, Vol. 48 Issue 34, pp.H31-H39 (2009)
• Sjödahl, Mikael; Olsson, Erik; Amer, Eynas; Gren, Per
• A technique to gain depth information from an image-plane digital holographic recording of a transient phase object positioned between a diffuser and an imaging system is...

Digital holography and 3-D imaging: Interactive Science Publishing

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• Applied Optics, Vol. 48 Issue 34, pp.DH1-DH1 (2009)
• Poon, Ting-Chung
• This special issue on Digital Holography and 3-D Imaging includes five articles that use OSA's Interactive Science Publishing (ISP) system. ISP allows authors to publish large 2-D...

Plasmonics and Metamaterials: Introduction

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• JOSA B, Vol. 26 Issue 12, pp.PM1-PM1 (2009)
• Boardman, Allan; Brongersma, Mark; Stockman, Mark; Wegener, Martin

Model for ultrafast harmonic generation from a gold surface: extraction of dephasing times for continuum-continuum transitions

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• JOSA B, Vol. 26 Issue 12, pp.2218-2227 (2009)
• Karatzas, N E; Georges, A T
• A model is presented for describing ultrafast interferometric second- and third-harmonic generation (SHG and THG) from a gold surface. The model uses an effective four-level density...

Image formation in holographic tomography: high-aperture imaging conditions

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• Applied Optics, Vol. 48 Issue 34, pp.H168-H175 (2009)
• Kou, Shan Shan; Sheppard, Colin J R
• Three-dimensional (3D) imaging by holographic tomography can be performed for a fixed detector through rotation of either the object or the illumination beam. We have previously...

A spectral theory of color perception

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• JOSA A, Vol. 26 Issue 12, pp.2488-2502 (2009)
• Clark, James J; Skaff, Sandra
• The paper adopts the philosophical stance that colors are real and can be identified with spectral models based on the photoreceptor signals. A statistical setting represents...

Gradient refractive index square lenses. II. Imaging

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• JOSA A, Vol. 26 Issue 12, pp.2512-2514 (2009)
• Liu, Aimei; Lv, Hao; Tong, Jufang; Yi, Xunong; Li, Qianguang; Wang, Xinmin; Ding, Yaoming
• We establish theoretically the relationship between the lateral magnification m and the object distance L₀ for a gradient refractive index (GRIN) square lens and a GRIN...

Optical investigation of band-edge structure and built-in electric field of AlGaN/GaN heterostructures by means of thermoreflectance, photoluminescence, and contactless electroreflectance spectroscopy

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• Optics Letters, Vol. 34 Issue 23, pp.3604-3606 (2009)
• Ho, Ching-Hwa; Lee, Jheng-Wei
• The band-edge property and built-in electric fields of two different Al_xGa_1−xN/GaN(AlGaN/GaN) heterostructures (HSs) with and without an additional AlGaN...

Broadband wavelength conversion based on apodized χ(2) grating

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• JOSA B, Vol. 26 Issue 12, pp.2315-2322 (2009)
• Umeki, T; Asobe, M; Yanagawa, T; Tadanaga, O; Nishida, Y; Magari, K; Suzuki, H
• We achieved apodization in a quasi-phase-matched (QPM) wavelength converter by changing the duty cycle of a χ⁽²⁾ grating. The new design yields a large bandwidth and a...

Bistable Helmholtz bright solitons in saturable materials

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• JOSA B, Vol. 26 Issue 12, pp.2323-2330 (2009)
• Christian, J M; McDonald, G S; Chamorro-Posada, P
• We present, to the best of our knowledge, the first exact analytical solitons of a nonlinear Helmholtz equation with a saturable refractive-index model. These new two-dimensional...

Quantum diffraction of biphotons at a blazed grating

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• JOSA B, Vol. 26 Issue 12, pp.2347-2356 (2009)
• Ostermeyer, Martin; Puhlmann, Dirk; Korn, Dietmar
• Correlations between photons are interesting for a number of applications and concepts in metrology, in particular for resolution improvements in different methods of quantum...

Differential heterodyne detection with diffractive optics for multidimensional transient-grating spectroscopy

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• JOSA B, Vol. 26 Issue 12, pp.2357-2362 (2009)
• Khurmi, Champak; Berg, Mark A
• Heterodyne detection with a local oscillator generated by a diffractive optic provides good phase stability, but suffers from interfering single-beam-bleach signals. This...

Closed-loop carrier-envelope phase stabilization with an acousto-optic programmable dispersive filter

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• Optics Letters, Vol. 34 Issue 23, pp.3647-3649 (2009)
• Forget, N; Canova, L; Chen, X; Jullien, A; Lopez-Martens, R
• We demonstrate arbitrary carrier-envelope (CE) phase control of femtosecond laser pulses by an acousto-optic programmable dispersive filter (AOPDF), with an accuracy better than...

Low-power operation of vertically aligned liquid-crystal system via anatase-TiO2 nanoparticle dispersion

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• Optics Letters, Vol. 34 Issue 23, pp.3653-3655 (2009)
• Lee, Won-Kyu; Choi, Ji-Hyuk; Na, Hyun-Jae; Lim, Ji-Hun; Han, Jeong-Min; Hwang, Jeong-Yeon; Seo, Dae-Shik
• Electro-optic performance of a liquid-crystal (LC) system is enhanced by TiO₂ nanoparticle dispersed in nematic liquid crystal (NLC). The 2.5 V threshold voltage of LC for...

Continuous-wave sum-frequency generation in AlGaAs Bragg reflection waveguides

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• Optics Letters, Vol. 34 Issue 23, pp.3656-3658 (2009)
• Han, Junbo; Abolghasem, Payam; Bijlani, Bhavin J; Helmy, Amr S
• Efficient sum-frequency generation in epitaxial GaAs/AlGaAs waveguides is reported. Phase matching is achieved for type II nonlinear interaction using Bragg reflection waveguides....