Surface damage and color centers generated by femtosecond pulses in borosilicate glass and silica
Source abstract
Abstract
Color center generation by femtosecond laser pulses (30 fs) is observed in a fluence range below the damage threshold in an alkali-free barium borosilicate (BBS) glass, and in a thin layer of SiO2 on a fused silica substrate. The color centers are characterized spectroscopically. The optical density of the color centers in BBS glass is by two orders of magnitude higher than that in silica. A “healing” process with a time constant of about 30 h can be found.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Laser Material Processing Techniques · Cultural Heritage Materials Analysis · Laser-induced spectroscopy and plasma
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References (9)
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