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Restaurator. International Journal for the Preservation of Library and Archival Material

Editor-in-Chief: Eyb-Green, Sigrid / Henniges, Ute

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1865-8431
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Volume 34, Issue 1 (Mar 2013)

Issues

Effect of Laser Radiation on 19th Century Paper

Irina A. Balakhnina / Nikolay N. Brandt / Andrey Yu. Chikishev
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  • Lomonosov Moscow State University Faculty of Physics and International Laser Centre Leninskie Gori, 1, bldg. 2 119991 Moscow Russia
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/ Natalia L. Rebrikova
Published Online: 2013-03-05 | DOI: https://doi.org/10.1515/res-2013-0003

Abstract

The effect of laser radiation on a German geographic map printed in 1846 is investigated. The sample is irradiated with pulsed and continuous wave radiation (cw) at a wavelength of 532 nm and fluences of 5 and 3 kJ/cm2, respectively. A visible decrease in discoloration resulting from the pulsed irradiation is demonstrated. ATR FTIR and fluorescence spectroscopy are used for diagnostics. The discolouration of the laser irradiated map after five years and the corresponding spectral changes are discussed.

Zusammenfassung

Auswirkungen der Laserstrahlung auf Drucke aus dem 19. Jahrhundert

Die Auswirkung von Laserstrahlung bei der Reinigung einer 1846 in Deutschland gedruckten Landkarte wird vorgestellt. Die Karte wurde gepulst und kontinuierlich mit einer Wellenlange von 530 nm mit einer Dosis von 5 und kJ/cm² bestrahlt. Dabei konnte die Verfarbung des Objektes reduziert werden. Die Folgen der Strahlungseinwirkung auf das Material wurden mit FTIR im ATR-Modus untersucht. Es wurde beobachtet, dass innerhalb von funf Jahren nach der Laserbestrahlung eine Wiederverfarbung des Objektes eintritt, deren Ursachen diskutiert werden.

Résumé

Influence de la radiation laser sur du papier datant du 19eme Siecle

L’article a pour objectif de presenter l’effet d’une radiation laser sur une carte geograpique allemande imprimee en 1846. L’echantillon a ete irradie par rayonnement pulse et par rayonnement continu de longueur d’onde de 532 nm et une densite de flux de 5 et 3 kJ/cm² respectivement. On a pu demontrer une nette reduction de la decoloration de la carte a l’aide de l’irradiation impulsionnelle. L’echantillon a ete egalement passe au diagnostic de la spectroscopie ATR FTIR et de la spectroscopie fluorescente. On a pu observer que dans un intervalle de cinq annees apres l’irradiation au laser une nouvelle decoloration de l’objet a lieu dont on discutera des causes.

About the article

Irina A. Balakhnina

Graduated from and became a PhD student at the Faculty of Physics, Moscow State University in 2012. Her field of interest is IR, Raman and fluorescence spectroscopy of paints, pigments, paper materials, objects of cultural heritage

Nikolay N. Brandt

Gaduated and received a PhD from the Faculty of Physics, Moscow State University in 1998 and 2001, respectively. In 2001, he was employed at the Faculty of Physics, Moscow State University. He was involved in the International Research Projects in Tokyo (Time-resolved spectroscopy of photo induced conformational dynamics and computer simulations, 2002 and 2006) and Berlin (Detection of antioxidants in human skin, 2003). Presently, he is a Vice-Dean of the Faculty of Physics, Moscow State University and his area of expertise is Raman, IR, and fluorescence spectroscopy of biological macromolecules aimed at the analysis of the relationship between conformational dynamics and functional activity of biomolecules

Andrey Yu. Chikishev

Graduated and received a PhD and a Dr.Sci. from the Faculty of Physics, Moscow State University in 1982, 1986, and 2002, respectively. In 1985, he was employed at Moscow State University. He was involved in the International Research Projects on laser spectroscopy of biomolecules and organic molecules in the Netherlands, Germany, Japan, and Italy. Presently, he is a Head of the Laboratory of Ultrafast Processes in Biology, International Laser Center, Moscow State University and his area of expertise is Raman, CARS, IR, and fluorescence spectroscopy of biological macromolecules aimed at the analysis of the relationship between conformational dynamics and functional activity of biomolecules.

Natalia L. Rebrikova

Graduated and received a PhD from the Faculty of Biology, Moscow State University in 1972 and 1978, respectively. In 1978, she was employed at the State Research Institute for Restoration, the Ministry of Culture of the Russian Federation. Presently, she is a Head of the Biological Laboratory of the State Research Institute for Restoration and her area of expertise is control of fungal damage of cultural objects, monitoring of microorganisms in museum depositories and architectural monuments, and problem of foxing.


Published Online: 2013-03-05

Published in Print: 2013-03-01


Citation Information: Restaurator. International Journal for the Preservation of Library and Archival Material, ISSN (Online) 1865-8431, ISSN (Print) 0034-5806, DOI: https://doi.org/10.1515/res-2013-0003.

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