Assessment of damage ranges by measurements of the refractive index in ion implanted LiNbO3and LiTaO3
作者:
A. Fatk,
P.G. Dawber,
D.J. O'connor,
P.D. Townsend,
期刊:
Radiation Effects
(Taylor Available online 1982)
卷期:
Volume 64,
issue 1-4
页码: 235-240
ISSN:0033-7579
年代: 1982
DOI:10.1080/00337578208223018
出版商: Taylor & Francis Group
数据来源: Taylor
摘要:
Ion implantation in LiNbO3and LiTaO3produces radiation damage by nuclear collisions. The amorphisation of the lattice reduces the refractive index of the material. In the case of fast ion bombardment with helium this damage layer is buried below the surface. The refractive index profile which then exists is suitable for an optical waveguide on the surface which supports several modes. Analysis of the refractive index profile yields the damage distribution in the crystal and this in turn can be compared with theoretical estimates of the damage production and ion ranges.
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