The role of lasers

Optics and Photonics News

Volumn 10, Issue 7, 1999, Pages 36-40

  De Cruz, Adele ^a   Hauger, Susanne A ^b   Wolbarsht, Myron L ^c  

^a De Cruz Studios   (United States)

^b DUKE UNIVERSITY   (United States)

^c NONE

Author keywords

[No Author keywords available]

Indexed keywords

EID: 0002697829     PISSN: 10476938     EISSN: None     Source Type: Trade Journal    
DOI: 10.1364/OPN.10.7.000036     Document Type: Article

References (11)

1. See, for example, J. Beck, Art Restoration (W.W. Norton, New York, 1995).
2. For a description of the restoration of Hans Holbein's Ambassadors, completed in 1996, see M. Wyld, "The restoration history of Holbein's Ambassadors," National Gallery Technical Bulletin 19 (1998).
3. Examples of untreatable problems are soot; dust or wax embedded in unvarnished paint layers certain adhesives; overpaint, and polymerized films.
4. N. Stolow et al., On Picture Varnishes and their Solvents (Case Western University Press, Cleveland, 1971), pp. 47-116.
5. A. de Cruz, Teoria e Practica di Restauro (Tesi di Laurea) (Villa Schifonoia, Firenze, 1979), pp. 144-150.
6. 2 or HF," IEEE J. of Quant. Elec. QE-20, 1427-1432 (1984).
7. The Er:YAG emits pulses of approximately 250 μs duration (depending on pulse energy), each consisting of a train of about ten 1-2 μs micropulses.
8. Experiments performed by A. de Cruz and S. Trokel in April of 1995 (unpublished).
9. The laser-cleaning technique described here is the subject of a patent pending: U.S. and International Patent Serial No. 09/151,161.
10. This laser (Model "Conservator 2940") was provided by Schwartz Electro-Optics of Orlando, FL.
11. To verify this, photoacoustic, as well as transmission spectra, were obtained for some of the slides containing contaminant, and were found to be identical.