Non-invasive contactless analysis of an early drawing by raffaello sanzio by means of optical methods

HIGHLIGHTS

• who: Diego Quintero Balbas from the Laboratorio di Restauro have published the research: Non-invasive contactless analysis of an early drawing by Raffaello Sanzio by means of optical methods, in the Journal: Scientific Reports Scientific Reports
• what: This approach has been previously identified in other drawings by the same au00ad rtist3 and was a common practice for drawings after the sixteenth u00adcentury4. After the observation of the sample under the microscope, the authors focused the laser on the drawing surface and performed the measurements in an extended spectral range of 100-3200 u00adcm-1, using . . .
  

   

  

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