Effect on scattering of complex morphology of DKDP bulk damage sites | Zendy

Christopher W. Carr | Zendy; Michael D. Feit | Zendy; Julie Muyco | Zendy; Alexander M. Rubenchik | Zendy

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Effect on scattering of complex morphology of DKDP bulk damage sites

Author(s) -

Christopher W. Carr,

Michael D. Feit,

Julie Muyco,

Alexander M. Rubenchik

Publication year - 2005

Publication title -

proceedings of spie, the international society for optical engineering/proceedings of spie

Language(s) - English

Resource type - Conference proceedings

SCImago Journal Rank - 0.192

H-Index - 176

eISSN - 1996-756X

pISSN - 0277-786X

DOI - 10.1117/12.585927

Subject(s) - materials science , scattering , raman scattering , core (optical fiber) , interference (communication) , optics , light scattering , shock wave , laser , morphology (biology) , molecular physics , cross section (physics) , raman spectroscopy , composite material , physics , mechanics , biology , genetics , engineering , channel (broadcasting) , electrical engineering , quantum mechanics

Bulk damage sites in frequency conversion crystals scatter and/or absorb laser light leading to interference and downstream intensification .We find that laser induced bulk damage sites in DKDP exhibit a "shell" of structurally and/or chemically modified material surrounding a central core as indicated by SEM and optical micrographs and micro Raman spectral maps. We hypothesize that the modified material has been shock wave densified and estimate the amount of densification and its effect on scattering. A simple model indicates that densification of several percent is likely and that the scattering cross section may be larger than the geometric area of the inner core by an order of magnitude.

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