Materials characterization, optical spectroscopy, and laser damage studies of electrochromically and photochromically damaged KTiOPO4 (KTP)

John R. Quagliano; Roger R. Petrin; T. C. Trujillo; R. Wenzel; L. John Jolin; M. T. Paffett; C. J. Maggiore; Nigel J. Cockroft; John C. Jacco

doi:10.1117/12.213710

14 July 1995 Materials characterization, optical spectroscopy, and laser damage studies of electrochromically and photochromically damaged KTiOPO₄ (KTP)

John R. Quagliano, Roger R. Petrin, T. C. Trujillo, R. Wenzel, L. John Jolin, M. T. Paffett, C. J. Maggiore, Nigel J. Cockroft, John C. Jacco

Author Affiliations +

Proceedings Volume 2428, Laser-Induced Damage in Optical Materials: 1994; (1995) https://doi.org/10.1117/12.213710
Event: Laser-Induced Damage in Optical Materials: 1994, 1994, Boulder, CO, United States

Abstract

The techniques utilized to study the surface and bulk properties of KTiOPO₄ (KTP) were Rutherford backscattering (RBS), particle induced x-ray emission (PIXE), secondary ion mass spectrometry (SIMS), optical absorption and emission spectroscopy, and controlled laser damage. RBS and SIMS results provide strong evidence for potassium ion and titanium ion migration from the bulk to the electrode surface under an applied DC voltage. Optical measurements suggest the presence of Ti³⁺ ions in pristine, EC and PC damages KTP. Catastrophic damage was induced models will be presented to rationalize the RBS, PIXE and SIMS data for the impurities, and a damage mechanism consistent with the findings of the laser damage and optical absorption and emission experiments will be discussed.

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John R. Quagliano, Roger R. Petrin, T. C. Trujillo, R. Wenzel, L. John Jolin, M. T. Paffett, C. J. Maggiore, Nigel J. Cockroft, and John C. Jacco "Materials characterization, optical spectroscopy, and laser damage studies of electrochromically and photochromically damaged KTiOPO₄ (KTP)", Proc. SPIE 2428, Laser-Induced Damage in Optical Materials: 1994, (14 July 1995); https://doi.org/10.1117/12.213710

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