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OSA Publishing > Optics ImageBank > HomeHome | About
Source: Nicolai Granzow, Patrick Uebel, Markus A. Schmidt, Andrey S. Tverjanovich, Lothar Wondraczek, Philip St. J. Russell, "Bandgap guidance in hybrid chalcogenide–silica photonic crystal fibers," Opt. Lett. 36(13) 2432-2434 (2011); http://www.osapublishing.org/ol/abstract.cfm?URI=ol-36-13-2432 Caption: (a) Schematic of chalcogenide–silica all-solid bandgap fiber. Red: chalcogenide strands. (b) Scanning electron micrograph of endface of a chalcogenide–silica bandgap fiber (core diameter 7.6 μm , pitch 3.8 μm , hole diameter 1.45 μm ) polished by focused-ion-beam milling. |
Source: C. R. Phillips, M. M. Fejer, "Stability of the singly resonant optical parametric oscillator," J. Opt. Soc. Am. B 27(12) 2687-2699 (2010); http://www.osapublishing.org/josab/abstract.cfm?URI=josab-27-12-2687 Caption: Normalized net round-trip gain G s p as a function of pump-signal and idler-signal phase mismatches δ ν p s Ω L and δ ν i s Ω L , respectively, for N = ( π / 2 ) 2 . GVD is neglected, so the AM and PM eigenmodes are decoupled. (a) Gain for AM eigenmodes, (b) gain for PM eigenmodes. |
手机在线翻墙伕理网页Takashi Notake, Kouji Nawata, Hiroshi Kawamata, Takeshi Matsukawa, Hiroaki Minamide, "Solution growth of high-quality organic N-benzyl-2-methyl-4-nitroaniline crystal for ultra-wideband tunable DFG-THz source," Opt. Mater. Express 2(2) 119-125 (2012); http://www.osapublishing.org/ome/abstract.cfm?URI=ome-2-2-119 Caption: Calculation result of prospective THz-wave intensity via BNA-DFG under the consideration of perfect phase matching and absorption effect. |
Source: Christian Kränkel, Rigo Peters, Klaus Petermann, Pascal Loiseau, Gerard Aka, Günter Huber, "Efficient continuous-wave thin disk laser operation of http://www.osapublishing.org/josab/abstract.cfm?URI=josab-26-7-1310 Caption: Schematic setup of the thin disk laser resonator and the pump module. |
Source: Jin Hou, Jiajia Zhao, Chunyong Yang, Zhiyou Zhong, Yihua Gao, Shaoping Chen, "Engineering ultra-flattened-dispersion photonic crystal fibers with uniform holes by rotations of inner rings," Photon. Res. 2(2) 59-63 (2014); http://www.osapublishing.org/prj/abstract.cfm?URI=prj-2-2-59 如何使用伕理上网Fundamental mode transverse electric field intensity (Et2) distributions at 1.45 μm (upper figures) and 1.75 μm (lower figures) wavelengths, for nearly zero-dispersion flattened PCFs with Λ=2.3 μm and d=0.61 μm for (a) α=0° and β=0°, (b) α=30° and β=0°, (c) α=0° and β=30°, (d) α=0° and β=0°, (e) α=30° and β=0°, and (f) α=0° and β=30°. |
Source: Christoph J. Engelbrecht, Werner Göbel, Fritjof Helmchen, "Enhanced fluorescence signal in nonlinear microscopy through supplementary fiber-optic light collection," Opt. Express 17(8) 6421-6435 (2009); http://www.osapublishing.org/oe/abstract.cfm?URI=oe-17-8-6421 Caption: Supplementary epifluorescence collection through a ring of optical fibers. (a) Top: CAD-drawing of a custom fiber-ring holder placed under an objective. Bottom: Closeup view showing the ring-like arrangement of the fiber tips. Only five of eight fibers are shown. Fluorophores are 2-photon excited in the focus of an infrared laser beam (red), causing isotropic fluorescence emission (green). (b) Left: Top view of the ring-like arrangement of eight 1-mm diameter fibers. Right: Dual-channel detection in a custom 2PLSM setup. Optical fibers were bundled and placed in front of a second PMT. |
Source: Jason Geng, "Structured-light 3D surface imaging: a tutorial," Adv. Opt.
Photon. () 128-160 (2000); http://www.osapublishing.org//abstract.cfm?URI=---128 Caption: |
Source: V. K. Valev, X. Zheng, C.G. Biris, A.V. Silhanek, V. Volskiy, B. De Clercq, O. A. Aktsipetrov, M. Ameloot, N. C. Panoiu, G. A. E. Vandenbosch, V. V. Moshchalkov, "The origin of second harmonic generation hotspots in chiral optical metamaterials [Invited]," Opt. Mater. Express 1(1) 36-45 (2011); 网络加速器（免费版）-网管软件工具类资源-CSDN下载:2021-8-23 · 十大网游加速器软件 13882 2021-03-23 在中国，网络游戏用户规模已经超过3亿，很多玩家因为在该地区使用的不同宽带运营商间互联的局限，导致数据传输速度、稳定性就大大降低，引发玩家在玩网游的时候因为卡、登录困难、延时过高、经常掉线等原因，对网游玩家来讲是非常痛苦的。 Caption: Second harmonic generation methods for studying chirality were developed in organic molecules before being applied to metamaterials. In (a), illustration of SHG from supramolecularly ordered chiral helicenes molecules. In (b), illustration of SHG from G-shaped nanostructures, arranged in a chiral unit cell. The incoming light is at 800 nm (near red color) and the detected signal is at 400 nm (near blue color). |
Source: Meiling Dai, Fujun Yang, Xiaoyuan He, "Single-shot color fringe projection for three-dimensional shape measurement of objects with discontinuities," Appl. Opt. 51(12) 2062-2069 (2012); http://www.osapublishing.org/ao/abstract.cfm?URI=ao-51-12-2062 Caption: (a)–(d) Color fringe image acquired by a color CCD camera and its RGB components, (e) image results from the division operation applied to image in (b) and (d). The background is clipped to enhance the detail of the fringes, (f) binary image obtained from (d). |
Source: H. Noble, E. Ford, W. Dallas, R. A. Chipman, I. Matsubara, Y. Unno, S. McClain, P. Khulbe, D. Hansen, T. D. Milster, "Polarization synthesis by computer-generated holography using orthogonally polarized and correlated speckle patterns," Opt. Lett. 35(20) 3423-3425 (2010); http://www.osapublishing.org/ol/abstract.cfm?URI=ol-35-20-3423 大家都用什么翻墙Normalized linear Stokes vector components demonstrate polarization synthesis. |
Source: Hipolito Garcia-Gracia, Julio C. Gutiérrez-Vega, "Diffraction of plane waves by finite-radius spiral phase plates of integer and fractional topological charge," J. Opt. Soc. Am. A 26(4) 794-803 (2009); http://www.osapublishing.org/josaa/abstract.cfm?URI=josaa-26-4-794 Caption: Phase distribution of the diffraction pattern observed at z ∕ L = 2.0 , caused by a finite-radius SPP with fractional topological charge α = 2.5 . We can see the chain of unit strength vortices on the + x axis. |
手机在线翻墙伕理网页Jason Geng, "Structured-light 3D surface imaging: a tutorial," Adv. Opt.
Photon. 3(2) 128-160 (2011); http://www.osapublishing.org/aop/abstract.cfm?URI=aop-3-2-128 Caption: Example of 2D array of color-coded dots. |