X-ray laser-induced ablation of lead compounds
The recent commissioning of a X-ray free-electron laser triggered an extensive research in the area of X-ray ablation of high-Z, high-density materials. Such compounds should be used to shorten an effective attenuation length for obtaining clean ablation imprints required for the focused beam analys...
| Main Authors: | , , , , , , , , , , , , , , , , , , , , , , , , |
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| Format: | Journal article |
| Language: | English |
| Published: |
2011
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| _version_ | 1797090256595451904 |
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| author | Hajkova, V Juha, L Bohacek, P Burian, T Chalupsky, J Vysin, L Gaudin, J Heimann, P Hau-Riege, S Jurek, M Klinger, D Pelka, J Sobierajski, R Krzywinski, J Messerschmidt, M Moeller, S Nagler, B Rowen, M Schlotter, W Swiggers, M Turner, J Vinko, S Whitcher, T Wark, J Matuchova, M |
| author_facet | Hajkova, V Juha, L Bohacek, P Burian, T Chalupsky, J Vysin, L Gaudin, J Heimann, P Hau-Riege, S Jurek, M Klinger, D Pelka, J Sobierajski, R Krzywinski, J Messerschmidt, M Moeller, S Nagler, B Rowen, M Schlotter, W Swiggers, M Turner, J Vinko, S Whitcher, T Wark, J Matuchova, M |
| author_sort | Hajkova, V |
| collection | OXFORD |
| description | The recent commissioning of a X-ray free-electron laser triggered an extensive research in the area of X-ray ablation of high-Z, high-density materials. Such compounds should be used to shorten an effective attenuation length for obtaining clean ablation imprints required for the focused beam analysis. Compounds of lead (Z=82) represent the materials of first choice. In this contribution, single-shot ablation thresholds are reported for PbWO4 and PbI2 exposed to ultra-short pulses of extreme ultraviolet radiation and X-rays at FLASH and LCLS facilities, respectively. Interestingly, the threshold reaches only 0.11 J/cm2 at 1.55 nm in lead tungstate although a value of 0.4 J/cm2 is expected according to the wavelength dependence of an attenuation length and the threshold value determined in the XUV spectral region, i.e., 79 mJ/cm2 at a FEL wavelength of 13.5 nm. Mechanisms of ablation processes are discussed to explain this discrepancy. Lead iodide shows at 1.55 nm significantly lower ablation threshold than tungstate although an attenuation length of the radiation is in both materials quite the same. Lower thermal and radiation stability of PbI2 is responsible for this finding. © 2011 SPIE. |
| first_indexed | 2024-03-07T03:15:55Z |
| format | Journal article |
| id | oxford-uuid:b5c37a6e-2842-4d36-a05d-26854ba741cc |
| institution | University of Oxford |
| language | English |
| last_indexed | 2024-03-07T03:15:55Z |
| publishDate | 2011 |
| record_format | dspace |
| spelling | oxford-uuid:b5c37a6e-2842-4d36-a05d-26854ba741cc2022-03-27T04:36:08ZX-ray laser-induced ablation of lead compoundsJournal articlehttp://purl.org/coar/resource_type/c_dcae04bcuuid:b5c37a6e-2842-4d36-a05d-26854ba741ccEnglishSymplectic Elements at Oxford2011Hajkova, VJuha, LBohacek, PBurian, TChalupsky, JVysin, LGaudin, JHeimann, PHau-Riege, SJurek, MKlinger, DPelka, JSobierajski, RKrzywinski, JMesserschmidt, MMoeller, SNagler, BRowen, MSchlotter, WSwiggers, MTurner, JVinko, SWhitcher, TWark, JMatuchova, MThe recent commissioning of a X-ray free-electron laser triggered an extensive research in the area of X-ray ablation of high-Z, high-density materials. Such compounds should be used to shorten an effective attenuation length for obtaining clean ablation imprints required for the focused beam analysis. Compounds of lead (Z=82) represent the materials of first choice. In this contribution, single-shot ablation thresholds are reported for PbWO4 and PbI2 exposed to ultra-short pulses of extreme ultraviolet radiation and X-rays at FLASH and LCLS facilities, respectively. Interestingly, the threshold reaches only 0.11 J/cm2 at 1.55 nm in lead tungstate although a value of 0.4 J/cm2 is expected according to the wavelength dependence of an attenuation length and the threshold value determined in the XUV spectral region, i.e., 79 mJ/cm2 at a FEL wavelength of 13.5 nm. Mechanisms of ablation processes are discussed to explain this discrepancy. Lead iodide shows at 1.55 nm significantly lower ablation threshold than tungstate although an attenuation length of the radiation is in both materials quite the same. Lower thermal and radiation stability of PbI2 is responsible for this finding. © 2011 SPIE. |
| spellingShingle | Hajkova, V Juha, L Bohacek, P Burian, T Chalupsky, J Vysin, L Gaudin, J Heimann, P Hau-Riege, S Jurek, M Klinger, D Pelka, J Sobierajski, R Krzywinski, J Messerschmidt, M Moeller, S Nagler, B Rowen, M Schlotter, W Swiggers, M Turner, J Vinko, S Whitcher, T Wark, J Matuchova, M X-ray laser-induced ablation of lead compounds |
| title | X-ray laser-induced ablation of lead compounds |
| title_full | X-ray laser-induced ablation of lead compounds |
| title_fullStr | X-ray laser-induced ablation of lead compounds |
| title_full_unstemmed | X-ray laser-induced ablation of lead compounds |
| title_short | X-ray laser-induced ablation of lead compounds |
| title_sort | x ray laser induced ablation of lead compounds |
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