Locally resolved absorption measurements on laser-pulse-damaged NaCl at 10.6 um

Peter Meja; Guenter Reisse; J. Franke

doi:10.1117/12.213764

14 July 1995 Locally resolved absorption measurements on laser-pulse-damaged NaCl at 10.6 um

Peter Meja, Guenter Reisse, J. Franke

Proceedings Volume 2428, Laser-Induced Damage in Optical Materials: 1994; (1995) https://doi.org/10.1117/12.213764
Event: Laser-Induced Damage in Optical Materials: 1994, 1994, Boulder, CO, United States

Abstract

The samples were irradiated using single CO₂ TEA laser pulses of increasing energy. After each irradiation the laterally resolved aborption was measured. All investigations were carried out both at normal pressure and in vacuum. We observed that a marked decrease in absorption occurs within an area which was larger than the irradiated area. Outside that area the absorption increases. These tendencies were observed on NaCl samples stored and irradiated both in vacuum and in dry air. Using humid air as ambience, however, the absorption increases also inside the irradiated area. The laser damage thresholds and the laterally resolved absorption of NaCl are discussed considering the parameters of investigation.

Citation Download Citation

Peter Meja, Guenter Reisse, and J. Franke "Locally resolved absorption measurements on laser-pulse-damaged NaCl at 10.6 um", Proc. SPIE 2428, Laser-Induced Damage in Optical Materials: 1994, (14 July 1995); https://doi.org/10.1117/12.213764

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