http://www.opticsinfobase.org/ome Optical Materials Express Mon, 14 May 2012 00:00:00 EST http://metadata.osa.org/rss/infobase/images/ome.gif http://www.opticsinfobase.org/ome Optical Society of America © 2012 Optical Society of America 2012-05-16 http://www.opticsinfobase.org/abstract.cfm?URI=ome-2-6-789 Audrey Champion, Yves Bellouard<br/>We introduce a new method to investigate localized volume variations resulting from laser exposure. Our method is based on the measurement of fused silica cantilevers deflection from which we calculate the effective stress and density variation in laser-affected zones. Specifically, we investigate ... [Opt. Mater. Express 2, 789-798 (2012)] Mon, 14 May 2012 00:00:00 EST Direct volume variation measurements in fused silica specimens exposed to femtosecond laser Audrey Champion Yves Bellouard We introduce a new method to investigate localized volume variations resulting from laser exposure. Our method is based on the measurement of fused silica cantilevers deflection from which we calculate the effective stress and density variation in laser-affected zones. Specifically, we investigate ... Optical Society of America 2012-06-01 EN doi:10.1364/OME.2.000789 Optical Materials Express, Vol. 2, Issue 6, pp. 789-798 © 2012 OSA http://www.opticsinfobase.org/abstract.cfm?URI=ome-2-6-799 Turkka Salminen, Johnny Dahl, Marjukka Tuominen, Pekka Laukkanen, Eero Arola, Tapio Niemi<br/>Optical absorption and emission properties of gallium arsenide nanocrystals can be tuned across the visible spectrum by tuning their size. The surface of pure GaAs nanocrystals tends to oxidize, which deteriorates their optical properties. In order to prevent the oxidization, surface passivation ... [Opt. Mater. Express 2, 799-813 (2012)] Mon, 14 May 2012 00:00:00 EST Single-step fabrication of luminescent GaAs nanocrystals by pulsed laser ablation in liquids Turkka Salminen Johnny Dahl Marjukka Tuominen Pekka Laukkanen Eero Arola Tapio Niemi Optical absorption and emission properties of gallium arsenide nanocrystals can be tuned across the visible spectrum by tuning their size. The surface of pure GaAs nanocrystals tends to oxidize, which deteriorates their optical properties. In order to prevent the oxidization, surface passivation ... Optical Society of America 2012-06-01 EN doi:10.1364/OME.2.000799 Optical Materials Express, Vol. 2, Issue 6, pp. 799-813 © 2012 OSA http://www.opticsinfobase.org/abstract.cfm?URI=ome-2-6-782 T. D. Nguyen, S. Liu, M. D. Lima, S. Fang, R. H. Baughman, A. Nahata, Z. V. Vardeny<br/>We demonstrate that multi-walled carbon nanotubes (MWCNTs) are capable of supporting surface plasmon-polaritons (SPPs) at terahertz (THz) frequencies. To achieve this, we fabricated sub-100 μm-thick freestanding and highly oriented multi-walled carbon nanotube (MWCNT) aerogel sheets. ... [Opt. Mater. Express 2, 782-788 (2012)] Tue, 08 May 2012 00:00:00 EST Terahertz surface plasmon polaritons on freestanding multi-walled carbon nanotube aerogel sheets T. D. Nguyen S. Liu M. D. Lima S. Fang R. H. Baughman A. Nahata Z. V. Vardeny We demonstrate that multi-walled carbon nanotubes (MWCNTs) are capable of supporting surface plasmon-polaritons (SPPs) at terahertz (THz) frequencies. To achieve this, we fabricated sub-100 μm-thick freestanding and highly oriented multi-walled carbon nanotube (MWCNT) aerogel sheets. ... Optical Society of America 2012-06-01 EN doi:10.1364/OME.2.000782 Optical Materials Express, Vol. 2, Issue 6, pp. 782-788 © 2012 OSA http://www.opticsinfobase.org/abstract.cfm?URI=ome-2-6-771 Adam Mock<br/>A parameterization of the dispersive conductivity of highly-doped graphene has been developed and is presented for use in finite-difference time-domain simulation of near infrared graphene-based photonic and plasmonic devices. The parameterization is based on fitting a Padé approximant to the ... [Opt. Mater. Express 2, 771-781 (2012)] Mon, 07 May 2012 00:00:00 EST Padé approximant spectral fit for FDTD simulation of graphene in the near infrared Adam Mock A parameterization of the dispersive conductivity of highly-doped graphene has been developed and is presented for use in finite-difference time-domain simulation of near infrared graphene-based photonic and plasmonic devices. The parameterization is based on fitting a Padé approximant to the ... Optical Society of America 2012-06-01 EN doi:10.1364/OME.2.000771 Optical Materials Express, Vol. 2, Issue 6, pp. 771-781 © 2012 OSA http://www.opticsinfobase.org/abstract.cfm?URI=ome-2-6-749 D. R. B. Valadão, D. G. Pires, M. A. R. C. Alencar, J. M. Hickmann, C. Fantini, M. A. Pimenta, E. J. S. Fonseca<br/>Nonlinear optical properties of colloidal systems containing single wall carbon nanotubes (SWNT) disperse in different surfactants are investigated. Thermal nonlinearity management Z-scan technique was performed to measure the nonlinear refractive index (n2) of colloidal system. The results ... [Opt. Mater. Express 2, 749-756 (2012)] Fri, 04 May 2012 00:00:00 EST Investigation of the electronic nonlinear refraction index of single-wall carbon nanotubes wrapped with different surfactants D. R. B. Valadão D. G. Pires M. A. R. C. Alencar J. M. Hickmann C. Fantini M. A. Pimenta E. J. S. Fonseca Nonlinear optical properties of colloidal systems containing single wall carbon nanotubes (SWNT) disperse in different surfactants are investigated. Thermal nonlinearity management Z-scan technique was performed to measure the nonlinear refractive index (n2) of colloidal system. The results ... Optical Society of America 2012-06-01 EN doi:10.1364/OME.2.000749 Optical Materials Express, Vol. 2, Issue 6, pp. 749-756 © 2012 OSA http://www.opticsinfobase.org/abstract.cfm?URI=ome-2-6-757 Liangbi Su, Hengyu Zhao, Hongjun Li, Lihe Zheng, Xiao Fan, Xiantao Jiang, Huili Tang, Guohao Ren, Jun Xu, Witold Ryba-Romanowski, Radosław Lisiecki, Piotr Solarz<br/>Bi-doped CsI crystals exhibited near-infrared ultra-broadband photoluminescence around 1216 nm and 1560 nm, depending on the bismuth doping levels, which were ascribed to Bi^+ and Bi_2 ^+ centers, respectively. The crystal chemistry of the Bi^3+ to Bi^+ reduction and Bi_2 ^+ dimer formation in ... [Opt. Mater. Express 2, 757-764 (2012)] Fri, 04 May 2012 00:00:00 EST Near-infrared photoluminescence spectra in Bi-doped CsI crystal: evidence for Bi-valence conversions and Bi ion aggregation Liangbi Su Hengyu Zhao Hongjun Li Lihe Zheng Xiao Fan Xiantao Jiang Huili Tang Guohao Ren Jun Xu Witold Ryba-Romanowski Radosław Lisiecki Piotr Solarz Bi-doped CsI crystals exhibited near-infrared ultra-broadband photoluminescence around 1216 nm and 1560 nm, depending on the bismuth doping levels, which were ascribed to Bi^+ and Bi_2 ^+ centers, respectively. The crystal chemistry of the Bi^3+ to Bi^+ reduction and Bi_2 ^+ dimer formation in ... Optical Society of America 2012-06-01 EN doi:10.1364/OME.2.000757 Optical Materials Express, Vol. 2, Issue 6, pp. 757-764 © 2012 OSA http://www.opticsinfobase.org/abstract.cfm?URI=ome-2-6-765 Sijun Fan, Chunlei Yu, Dongbing He, Xin Wang, Lili Hu<br/>We report a new tunable white light emission from γ-irradiated Ag/Eu co-doped phosphate glass phosphor. The appearance of Eu^2+ and silver aggregates after γ-irradiation was confirmed via Electron paramagnetic resonance (EPR), absorption, and emission spectra. The effects of Ag/Eu ... [Opt. Mater. Express 2, 765-770 (2012)] Fri, 04 May 2012 00:00:00 EST Tunable white light emission from γ-irradiated Ag/Eu co-doped phosphate glass phosphor Sijun Fan Chunlei Yu Dongbing He Xin Wang Lili Hu We report a new tunable white light emission from γ-irradiated Ag/Eu co-doped phosphate glass phosphor. The appearance of Eu^2+ and silver aggregates after γ-irradiation was confirmed via Electron paramagnetic resonance (EPR), absorption, and emission spectra. The effects of Ag/Eu ... Optical Society of America 2012-06-01 EN doi:10.1364/OME.2.000765 Optical Materials Express, Vol. 2, Issue 6, pp. 765-770 © 2012 OSA http://www.opticsinfobase.org/abstract.cfm?URI=ome-2-6-740 N. Mansour, A. Momeni, R. Karimzadeh, M. Amini<br/>In this work, stable blue-green luminescent colloidal silicon nanocrystals (SiNCs) are fabricated by nanosecond pulsed laser ablation of a silicon target in dimethyl sulfoxide (DMSO). Transmission electron microscopy and X-ray diffraction analysis have shown the formation of spherical silicon ... [Opt. Mater. Express 2, 740-748 (2012)] Wed, 02 May 2012 00:00:00 EST Blue-green luminescent silicon nanocrystals fabricated by nanosecond pulsed laser ablation in dimethyl sulfoxide N. Mansour A. Momeni R. Karimzadeh M. Amini In this work, stable blue-green luminescent colloidal silicon nanocrystals (SiNCs) are fabricated by nanosecond pulsed laser ablation of a silicon target in dimethyl sulfoxide (DMSO). Transmission electron microscopy and X-ray diffraction analysis have shown the formation of spherical silicon ... Optical Society of America 2012-06-01 EN doi:10.1364/OME.2.000740 Optical Materials Express, Vol. 2, Issue 6, pp. 740-748 © 2012 OSA http://www.opticsinfobase.org/abstract.cfm?URI=ome-2-6-700 Dong Han Seo, Shailesh Kumar, Amanda Evelyn Rider, Zhaojun Han, Kostya (Ken) Ostrikov<br/>The effect of nitrogen on the growth of vertically oriented graphene nanosheets on catalyst-free silicon and glass substrates in a plasma-assisted process is studied. Different concentrations of nitrogen were found to act as versatile control knobs that could be used to tailor the length, number ... [Opt. Mater. Express 2, 700-707 (2012)] Mon, 30 Apr 2012 00:00:00 EST Deterministic control of structural and optical properties of plasma-grown vertical graphene nanosheet networks via nitrogen gas variation Dong Han Seo Shailesh Kumar Amanda Evelyn Rider Zhaojun Han Kostya (Ken) Ostrikov The effect of nitrogen on the growth of vertically oriented graphene nanosheets on catalyst-free silicon and glass substrates in a plasma-assisted process is studied. Different concentrations of nitrogen were found to act as versatile control knobs that could be used to tailor the length, number ... Optical Society of America 2012-06-01 EN doi:10.1364/OME.2.000700 Optical Materials Express, Vol. 2, Issue 6, pp. 700-707 © 2012 OSA http://www.opticsinfobase.org/abstract.cfm?URI=ome-2-6-708 Brian A. Ruzicka, Shuai Wang, Jianwei Liu, Kian-Ping Loh, Judy Z. Wu, Hui Zhao<br/>Carrier dynamics in single-layer graphene grown by chemical vapor deposition (CVD) is studied using spatially and temporally resolved pump-probe spectroscopy by measuring both differential transmission and differential reflection. By ... [Opt. Mater. Express 2, 708-716 (2012)] Mon, 30 Apr 2012 00:00:00 EST Spatially resolved pump-probe study of single-layer graphene produced by chemical vapor deposition [Invited] Brian A. Ruzicka Shuai Wang Jianwei Liu Kian-Ping Loh Judy Z. Wu Hui Zhao Carrier dynamics in single-layer graphene grown by chemical vapor deposition (CVD) is studied using spatially and temporally resolved pump-probe spectroscopy by measuring both differential transmission and differential reflection. By ... Optical Society of America 2012-06-01 EN doi:10.1364/OME.2.000708 Optical Materials Express, Vol. 2, Issue 6, pp. 708-716 © 2012 OSA http://www.opticsinfobase.org/abstract.cfm?URI=ome-2-6-717 Bin Cai, Taeho Kim, Okihiro Sugihara, Kyoji Komatsu, Toshikuni Kaino<br/>Calixarene molecules are originally known as inclusion compounds in host-guest chemistry, which can bind various metal ions and organic molecules. We investigated the binding property of calixarene polymer against trivalent europium (Eu^3+) complex which possesses excellent luminescent ... [Opt. Mater. Express 2, 717-722 (2012)] Mon, 30 Apr 2012 00:00:00 EST Enhancement of luminescent intensity of calixarene-oxetane polymer doped with europium complex Bin Cai Taeho Kim Okihiro Sugihara Kyoji Komatsu Toshikuni Kaino Calixarene molecules are originally known as inclusion compounds in host-guest chemistry, which can bind various metal ions and organic molecules. We investigated the binding property of calixarene polymer against trivalent europium (Eu^3+) complex which possesses excellent luminescent ... Optical Society of America 2012-06-01 EN doi:10.1364/OME.2.000717 Optical Materials Express, Vol. 2, Issue 6, pp. 717-722 © 2012 OSA http://www.opticsinfobase.org/abstract.cfm?URI=ome-2-6-723 A. S. Kuznetsov, Y-G. Lu, S. Turner, M. V. Shestakov, V. K. Tikhomirov, D. Kirilenko, J. Verbeeck, A. N. Baranov, V. V. Moshchalkov<br/>Nanocrystalline ZnO doped with Ag-nanoclusters has been synthesized by a salt solid state reaction. Three overlapping broad emission bands due to the Ag nanoclusters have been detected at about 570, 750 and 900 nm. These emission bands are excited by an energy transfer from the exciton state of the ... [Opt. Mater. Express 2, 723-734 (2012)] Mon, 30 Apr 2012 00:00:00 EST Preparation, structural and optical characterization of nanocrystalline ZnO doped with luminescent Ag-nanoclusters A. S. Kuznetsov Y-G. Lu S. Turner M. V. Shestakov V. K. Tikhomirov D. Kirilenko J. Verbeeck A. N. Baranov V. V. Moshchalkov Nanocrystalline ZnO doped with Ag-nanoclusters has been synthesized by a salt solid state reaction. Three overlapping broad emission bands due to the Ag nanoclusters have been detected at about 570, 750 and 900 nm. These emission bands are excited by an energy transfer from the exciton state of the ... Optical Society of America 2012-06-01 EN doi:10.1364/OME.2.000723 Optical Materials Express, Vol. 2, Issue 6, pp. 723-734 © 2012 OSA http://www.opticsinfobase.org/abstract.cfm?URI=ome-2-6-735 Shaohua Ji, Shaojun Zhang, Mingxia Xu, Baoan Liu, Lili Zhu, Lisong Zhang, Xinguang Xu, Zhengping Wang, Xun Sun<br/>The non-critical phase matching (PM) conditions of deuterated dihydrogen phosphate (DKDP) crystal are investigated in this paper for fourth harmonic generation (FHG) of Nd:YAG crystal and Nd:glass lasers, which include exterior angle deviation, deuterium content and PM temperature. DKDP crystals of ... [Opt. Mater. Express 2, 735-739 (2012)] Mon, 30 Apr 2012 00:00:00 EST Non-critical phase-matching conditions for fourth harmonic generation of DKDP crystal Shaohua Ji Shaojun Zhang Mingxia Xu Baoan Liu Lili Zhu Lisong Zhang Xinguang Xu Zhengping Wang Xun Sun The non-critical phase matching (PM) conditions of deuterated dihydrogen phosphate (DKDP) crystal are investigated in this paper for fourth harmonic generation (FHG) of Nd:YAG crystal and Nd:glass lasers, which include exterior angle deviation, deuterium content and PM temperature. DKDP crystals of ... Optical Society of America 2012-06-01 EN doi:10.1364/OME.2.000735 Optical Materials Express, Vol. 2, Issue 6, pp. 735-739 © 2012 OSA