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Thermal-expansion effects in near-field optical microscopy fiber probes induced by laser light absorption
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| Zeitschriftentitel: | Applied Physics Letters |
|---|---|
| Personen und Körperschaften: | , , , |
| In: | Applied Physics Letters, 75, 1999, 21, S. 3408-3410 |
| Format: | E-Article |
| Sprache: | Englisch |
| veröffentlicht: |
AIP Publishing
|
| Schlagwörter: |
| author_facet |
Gucciardi, P. G. Colocci, M. Labardi, M. Allegrini, M. Gucciardi, P. G. Colocci, M. Labardi, M. Allegrini, M. |
|---|---|
| author |
Gucciardi, P. G. Colocci, M. Labardi, M. Allegrini, M. |
| spellingShingle |
Gucciardi, P. G. Colocci, M. Labardi, M. Allegrini, M. Applied Physics Letters Thermal-expansion effects in near-field optical microscopy fiber probes induced by laser light absorption Physics and Astronomy (miscellaneous) |
| author_sort |
gucciardi, p. g. |
| spelling |
Gucciardi, P. G. Colocci, M. Labardi, M. Allegrini, M. 0003-6951 1077-3118 AIP Publishing Physics and Astronomy (miscellaneous) http://dx.doi.org/10.1063/1.125309 <jats:p>We present a study on thermal-expansion effects induced by laser light coupling into metal-coated probes for near-field scanning optical microscopy. An expansion of the probe edge of 170 nm per mW of coupled power has been observed as an effect of the temperature raise due to light absorption in the metal coating. The phenomenon has been studied in both time and frequency domains by modulating the coupled laser power, in order to measure the typical time constants related to heat exchange processes, that turned out to be of the order of a few milliseconds. An analytical model, taking into account both the heat conduction through the coating and the convection losses, provides scales for the system parameters and fits the experimental data remarkably well.</jats:p> Thermal-expansion effects in near-field optical microscopy fiber probes induced by laser light absorption Applied Physics Letters |
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AIP Publishing, 1999 |
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AIP Publishing, 1999 |
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1999 |
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Applied Physics Letters |
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49 |
| title |
Thermal-expansion effects in near-field optical microscopy fiber probes induced by laser light absorption |
| title_unstemmed |
Thermal-expansion effects in near-field optical microscopy fiber probes induced by laser light absorption |
| title_full |
Thermal-expansion effects in near-field optical microscopy fiber probes induced by laser light absorption |
| title_fullStr |
Thermal-expansion effects in near-field optical microscopy fiber probes induced by laser light absorption |
| title_full_unstemmed |
Thermal-expansion effects in near-field optical microscopy fiber probes induced by laser light absorption |
| title_short |
Thermal-expansion effects in near-field optical microscopy fiber probes induced by laser light absorption |
| title_sort |
thermal-expansion effects in near-field optical microscopy fiber probes induced by laser light absorption |
| topic |
Physics and Astronomy (miscellaneous) |
| url |
http://dx.doi.org/10.1063/1.125309 |
| publishDate |
1999 |
| physical |
3408-3410 |
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<jats:p>We present a study on thermal-expansion effects induced by laser light coupling into metal-coated probes for near-field scanning optical microscopy. An expansion of the probe edge of 170 nm per mW of coupled power has been observed as an effect of the temperature raise due to light absorption in the metal coating. The phenomenon has been studied in both time and frequency domains by modulating the coupled laser power, in order to measure the typical time constants related to heat exchange processes, that turned out to be of the order of a few milliseconds. An analytical model, taking into account both the heat conduction through the coating and the convection losses, provides scales for the system parameters and fits the experimental data remarkably well.</jats:p> |
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| author | Gucciardi, P. G., Colocci, M., Labardi, M., Allegrini, M. |
| author_facet | Gucciardi, P. G., Colocci, M., Labardi, M., Allegrini, M., Gucciardi, P. G., Colocci, M., Labardi, M., Allegrini, M. |
| author_sort | gucciardi, p. g. |
| container_issue | 21 |
| container_start_page | 3408 |
| container_title | Applied Physics Letters |
| container_volume | 75 |
| description | <jats:p>We present a study on thermal-expansion effects induced by laser light coupling into metal-coated probes for near-field scanning optical microscopy. An expansion of the probe edge of 170 nm per mW of coupled power has been observed as an effect of the temperature raise due to light absorption in the metal coating. The phenomenon has been studied in both time and frequency domains by modulating the coupled laser power, in order to measure the typical time constants related to heat exchange processes, that turned out to be of the order of a few milliseconds. An analytical model, taking into account both the heat conduction through the coating and the convection losses, provides scales for the system parameters and fits the experimental data remarkably well.</jats:p> |
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| institution | DE-D275, DE-Bn3, DE-Brt1, DE-D161, DE-Zi4, DE-Gla1, DE-15, DE-Pl11, DE-Rs1, DE-14, DE-105, DE-Ch1, DE-L229 |
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| series | Applied Physics Letters |
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| spelling | Gucciardi, P. G. Colocci, M. Labardi, M. Allegrini, M. 0003-6951 1077-3118 AIP Publishing Physics and Astronomy (miscellaneous) http://dx.doi.org/10.1063/1.125309 <jats:p>We present a study on thermal-expansion effects induced by laser light coupling into metal-coated probes for near-field scanning optical microscopy. An expansion of the probe edge of 170 nm per mW of coupled power has been observed as an effect of the temperature raise due to light absorption in the metal coating. The phenomenon has been studied in both time and frequency domains by modulating the coupled laser power, in order to measure the typical time constants related to heat exchange processes, that turned out to be of the order of a few milliseconds. An analytical model, taking into account both the heat conduction through the coating and the convection losses, provides scales for the system parameters and fits the experimental data remarkably well.</jats:p> Thermal-expansion effects in near-field optical microscopy fiber probes induced by laser light absorption Applied Physics Letters |
| spellingShingle | Gucciardi, P. G., Colocci, M., Labardi, M., Allegrini, M., Applied Physics Letters, Thermal-expansion effects in near-field optical microscopy fiber probes induced by laser light absorption, Physics and Astronomy (miscellaneous) |
| title | Thermal-expansion effects in near-field optical microscopy fiber probes induced by laser light absorption |
| title_full | Thermal-expansion effects in near-field optical microscopy fiber probes induced by laser light absorption |
| title_fullStr | Thermal-expansion effects in near-field optical microscopy fiber probes induced by laser light absorption |
| title_full_unstemmed | Thermal-expansion effects in near-field optical microscopy fiber probes induced by laser light absorption |
| title_short | Thermal-expansion effects in near-field optical microscopy fiber probes induced by laser light absorption |
| title_sort | thermal-expansion effects in near-field optical microscopy fiber probes induced by laser light absorption |
| title_unstemmed | Thermal-expansion effects in near-field optical microscopy fiber probes induced by laser light absorption |
| topic | Physics and Astronomy (miscellaneous) |
| url | http://dx.doi.org/10.1063/1.125309 |