Oscillations, Waves, and Interactions - GWDG

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276 K. D. Hinsch Figure 13. Map of loose areas in a Romanesque fresco of the south apse in St. John’s Church of the World Heritage Site Müstair in Graubünden, Switzerland. Vibration ESPI results indicate intact regions by green/blue, loose areas by red/yellow. Height of the scene some 5 metres; the drawing describes the historical painting.
Laser speckle metrology 277 Figure 14. Localization of detachments in a two-layer plaster on a wall in Neues Museum, Berlin. Results of a series of ESPI measurements at equidistant frequencies. Hatching from upper left to lower right indicates regions where the lower interface (response to frequencies below 800 Hz) is considered loose; hatching from lower left to upper right indicates according regions for the upper interface (frequencies above 800 Hz). The bright dots give locations of cement injections. the second layer and the cement connected only the two layers, but did not attach them to the wall. 7 Conclusions Techniques of coherent optical metrology have proven well-suited for the investigation of the mechanical processes involved in the deterioration of artwork. They offer the necessary sensitivity to explore displacement fields and surface changes, and they are non-invasive which is of essential importance in delicate historical pieces. While the basic usefulness has been shown in various problems the metrology must now be developed for general acceptance as a tool in the everyday tasks of restorers and conservators. Acknowledgements This account is a summary of work that has been carried out mainly in the Applied Optics Group at the Institute of Physics in Oldenburg. The dedicated contributions of many members of the group throughout the years enter into the result which is acknowledged gratefully. Since the very beginning G. Gülker and H. Helmers have been involved in many of the studies. Special mention deserves the doctoral thesis work of J. Burke, T. Fricke-Begemann and H. Joost, who have contributed essentially to our progress in speckle metrology. Recent advances in LCSI are benefiting from cooperation with K. Gastinger at SINTEF, Trondheim, Norway. We also acknowledge the financial support from DFG, BMBF and DBU.
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Thomas Kurz, Ulrich Parlitz, and Ud
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erschienen im Universitätsverlag G
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Bibliographische Information der De
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iv Contents Laser speckle metrology
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Oscillations, Waves and Interaction
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Applied physics at the “Dritte”
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noise component [GNE] 5 4 3 2 1 can
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3.4 Transfer to running speech Spee
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3.4.2 Analysis of running speech Sp
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Speech research 33 Area [Pixels] 60
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Speech research 35 [13] D. Michaeli
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Specific signal types in hearing re
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74 D. Ronneberger et al. Mechel fou
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76 D. Ronneberger et al. (flow velo
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78 D. Ronneberger et al. |t + acous
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80 D. Ronneberger et al. Figure 6.
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82 D. Ronneberger et al. Figure 8.
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84 D. Ronneberger et al. (flow velo
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86 D. Ronneberger et al. R / L ⋅
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88 D. Ronneberger et al. e. g. temp
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90 D. Ronneberger et al. 3.2 Qualit
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92 D. Ronneberger et al. As usual t
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94 D. Ronneberger et al. (wavenumbe
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96 D. Ronneberger et al. powers of
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98 D. Ronneberger et al. an increas
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100 D. Ronneberger et al. The term
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102 D. Ronneberger et al. Neverthel
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104 D. Ronneberger et al. [4] J. Br
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106 D. Ronneberger et al. strömung
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108 D. Guicking synchronised tuning
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110 D. Guicking primary noise micro
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112 D. Guicking primary sensor desi
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114 D. Guicking by an antiphase sou
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116 D. Guicking R L C C + + 1 1−C
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118 D. Guicking More involved than
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120 D. Guicking In the 1980s, longi
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122 D. Guicking with electrodynamic
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124 D. Guicking 3.6 Noise reduction
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126 D. Guicking the turbulence of a
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128 D. Guicking References [1] Lord
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130 D. Guicking [44] Falcke, H.,
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132 D. Guicking [84] J. Melcher,
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134 D. Guicking [125] D. Heyland et
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136 D. Guicking [166] S. Zommer et
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138 D. Guicking [212] M. L. Post an
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140 W. Lauterborn et al. liquid κ
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142 W. Lauterborn et al. Figure 2.
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144 W. Lauterborn et al. nator, and
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146 W. Lauterborn et al. by types a
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148 W. Lauterborn et al. bubble rad
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154 W. Lauterborn et al. P koll [kb
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156 W. Lauterborn et al. Pulse widt
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158 W. Lauterborn et al. laser puls
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168 W. Lauterborn et al. R [µ m] 1
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170 W. Lauterborn et al. [17] M. P.
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172 R. Mettin (a) (b) Figure 1. Bub
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174 R. Mettin 0 ms 2 mm 1 ms 2 ms 3
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176 R. Mettin important quantity ch
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178 R. Mettin 100 kPa 200 kPa | | F
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180 R. Mettin Figure 7. Trapped sin
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182 R. Mettin concentration of spec
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184 R. Mettin which is called the p
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186 R. Mettin R 02 [µm] R 02 [µm]
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188 R. Mettin constant to M a = 2π
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190 R. Mettin (a) p a [Pa] 140 120
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192 R. Mettin z [mm] 5 4 3 2 1 0 -1
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194 R. Mettin Figure 17. Left: Expe
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196 R. Mettin - a hot microlaborato
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198 R. Mettin [52] R. Mettin, C.-D.
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200 W. Eisenmenger and U. Kaatze Th
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202 W. Eisenmenger and U. Kaatze Fi
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214 W. Eisenmenger and U. Kaatze 6
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216 W. Eisenmenger and U. Kaatze Pr
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218 A. Vogel, I. Apitz, V. Venugopa
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326 Martin Dressel Conductivity 70
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328 Martin Dressel Reflectivity Con
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330 Martin Dressel References [1] M
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332 Martin Dressel and L. Montgomer
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334 R. Pottel, J. Haller and U. Kaa
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368 U. Kaatze and R. Behrends with
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370 U. Kaatze and R. Behrends Figur
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386 U. Kaatze and R. Behrends of th
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398 U. Kaatze and R. Behrends [6] M
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400 U. Kaatze and R. Behrends [49]
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402 U. Kaatze and R. Behrends (2002
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404 U. Kaatze and R. Behrends Copyr
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406 U. Parlitz here chaos control m
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408 U. Parlitz Figure 2. Amplitude
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410 U. Parlitz 4 10 5 5 (a) (b) (c)
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412 U. Parlitz two-parameter studie
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414 U. Parlitz GN differential opti
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416 U. Parlitz P 1 P 2 P 3 S P 1 P
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418 U. Parlitz Figure 9. Correlatio
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420 U. Parlitz series” where for
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422 U. Parlitz current state future
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424 U. Parlitz tion [69] of two uni
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426 U. Parlitz LD1 LD2 M BS1 BS2 OD
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428 U. Parlitz with a clear tendenc
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430 U. Parlitz (a) y (c) y 40 20 È
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432 U. Parlitz [29] P. Grassberger,
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434 U. Parlitz [76] H. D. I. Abarba
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436 S. Lakämper and C. F. Schmidt
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462 Index basin of attraction, 144
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464 Index cone bubble structure, 19
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466 Index turbulent, 111, 126 fluct
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468 Index LPC, 29 luminescence of b
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470 Index peak factor, 38, 43 Peier
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472 Index laser-induced bubble, 152
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474 Index ultraharmonic resonance,
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