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Welcome to the Optics ImageBank!
Browse and search more than 1 million images from Optica Publishing Group's core journals. New images are posted as soon are new articles are published.
Source: Quhui Wang, Haizhu Wang, Bin Zhang, Xu Wang, Weichao Liu, Jiabin Wang, Jiao Wang, Jie Fan, Yonggang Zou, Xiaohui Ma, " https://opg.optica.org/ome/abstract.cfm?URI=ome-11-8-2378 Caption: Schematic model of adatoms bonding selection on a new step; the red spheres are adatoms, the gray spheres are underneath terrace, and the blue spheres are initial step and initial island. |
Source: Chene Tradonsky, Simon Mahler, Gaodi Cai, Vishwa Pal, Ronen Chriki, Asher A. Friesem, Nir Davidson, " https://opg.optica.org/optica/abstract.cfm?URI=optica-8-6-880 Caption: Effect of coherence on the intensity distribution of a propagating laser beam from a digital degenerate cavity laser. (a) Intensity distribution with an incoherent laser light beam at ${z} = {0}\;{\rm mm}$ z = 0 m m and ${z} = {12.5}\;{\rm mm}$ z = 12.5 m m (with no intracavity aperture). (b) Intensity distribution of a more coherent laser light beam at ${z} = {0}\;{\rm mm}$ z = 0 m m and ${z} = {12.5}\;{\rm mm}$ z = 12.5 m m (with a 4 mm diameter far-field aperture). |
Source: Nicholas Horvath, Matthew Davies, " https://opg.optica.org/ao/abstract.cfm?URI=ao-60-3-681 Caption: Residual maps from polishing the lattice backed mirror. The locations of each map: (a) 12 o’clock, (b) 3 o’clock, (c) 6 o’clock, and (d) center. The peripheral samples (a)–(c) are at the same radial distance, which is equal to the mounting radial distance. |
Source: S. W. Hancock, S. Zahedpour, H. M. Milchberg, " https://opg.optica.org/optica/abstract.cfm?URI=optica-8-5-594 Caption: TG-SSSI measurements of fundamental and SHG STOVs. (a) Top: Intensity profile ${I_S}({x,\tau})$ I S ( x , τ ) of fundamental $l = + 1$ l = + 1 STOV; bottom: spatiotemporal phase ${\Delta}{{\Phi}}({x,\tau})$ Δ Φ ( x , τ ) showing one ${{2}}\pi$ 2 π winding. (b) Top: SHG output pulse $I_S^{2\omega}({x,\tau})$ I S 2 ω ( x , τ ) showing two donut holes embedded in pulse; bottom: spatiotemporal phase profile ${\Delta}{{{\Phi}}^{2\omega}}({x,\tau})$ Δ Φ 2 ω ( x , τ ) showing two ${{2}}\pi$ 2 π windings. Phase traces are blanked in regions of negligible intensity, where phase extraction fails. These images represent 500 shot averages: the extracted phase shift from each spectral interferogram is extracted, then the fringes of each frame (shot) are aligned and averaged, and then the phase map is extracted [23]. |
Source: Quanyu Zhou, Zhenyue Chen, Justine Robin, Xosé-Luís Deán-Ben, Daniel Razansky, " https://opg.optica.org/optica/abstract.cfm?URI=optica-8-6-796 Caption: Velocity and flow direction maps estimated by tracking flowing microdroplets in consecutive frames with DOLI. (a) Reconstructed velocity maps with color-encoded velocity in the range of 0–12 mm/s. (b) Reconstructed direction map with color-encoded angle indicated by the color-wheel. |
Source: Lujia Zhou, Zhenming Song, Hao Zhang, " https://opg.optica.org/ao/abstract.cfm?URI=ao-60-3-635 Caption: Temporal evolutions of a chirped Airy pulse with (a) $C = {{0}}$ C = 0 and (b) $Cs \gt {{0}}$ C s > 0 . |
Source: Yi Yan, Pai Liu, Xiaopeng Zhang, Yangjun Luo, " https://opg.optica.org/oe/abstract.cfm?URI=oe-29-16-24861 Caption: Evolution history of the unit cell topology for maximizing the seventh band gap of PhCs under TM mode. Obtained topologies after (a) the first, (b) the second, (c) the fourth, (d) the sixth, (e) the eighth sub-optimization problems, and (f) the final optimum. |
Source: Mengqi Shao, Lei Zhang, Xuezhi Jia, " https://opg.optica.org/ao/abstract.cfm?URI=ao-60-3-539 Caption: Wavefront nephogram of the system under 4°C uniform temperature rise load. |
Source: Qiwei Li, Jiawei Song, Andrey S. Alenin, J. Scott Tyo, " https://opg.optica.org/ao/abstract.cfm?URI=ao-60-3-735 Caption: (a) Channel structure of the full Stokes parameters in the Fourier domain. Fourier transformation of inputs for various bandwidth scenarios: (b) low spatial, high temporal; (c) medium spatial, medium temporal; (d) high spatial, low temporal. |
Source: Xiaofei Liu, Weichao Yan, Zhongquan Nie, Yue Liang, Yuxiao Wang, Zehui Jiang, Yinglin Song, Xueru Zhang, " https://opg.optica.org/oe/abstract.cfm?URI=oe-29-16-26137 Caption: Multifunctional longitudinal magnetization patterns induced by the high-order AP-LG vortex modes with the radial modes index p and the truncation parameter β. (a1)-(a4) and (b1)-(b4) are β = 2.732, 2.051, and 1.753, and 1.576 when p = 1in the x-y plane and r-z plane, respectively; (c1)-(c4) are β = 3.545, 2.854, 2.506, and 2.411 when p = 3 in the x-y plane; (c1)-(c4) are β = 4.252, 3.489, 3.234, and 3.078 when p = 5 in the x-y plane. |
Source: Adeel Abbas, Li-Gang Wang, " https://opg.optica.org/osac/abstract.cfm?URI=osac-4-8-2221 Caption: Spatiotemporal HBT effect under different values of (a)-(h) $\sigma _{\textrm {I}}$ σ I , (i)-(p) $\sigma _{\textrm {cs}}$ σ cs with (a)-(d), (i)-(l) $q_{12}$ q 12 = 0 and (e)-(h), (m)-(p) $q_{12}$ q 12 = 0.0001 cm $^{-1}$ − 1 . Other parameters are $\sigma _{\textrm {I}}$ σ I = 2 cm, $\sigma _{\textrm {cs}}$ σ cs = 0.1 cm, $\sigma _{\textrm {t}}$ σ t = 10 ps, $\sigma _{\textrm {ct}}$ σ ct = 10 ps, $z$ z = 1000 m and $q_{14}$ q 14 = $q_{12}/10$ q 12 / 10 . |
Source: Yang Yang, Yangang Bi, Liang Peng, Biao Yang, Shaojie Ma, Hsun-Chi Chan, Yuanjiang Xiang, Shuang Zhang, " https://opg.optica.org/optica/abstract.cfm?URI=optica-8-2-249 Caption: Evolution of the focusing profile of the transmitted wave across the Weyl metacrystal with the incident dipole polarized along the $x$ x direction when the frequency approaches the Weyl frequency. |