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ISSN : 1738-1894(Print)
ISSN : 2288-5471(Online)
Journal of Nuclear Fuel Cycle and Waste Technology Vol.3 No.1 pp.17-21
DOI :

Laser Ablation에 의한 고방사성시편의 미세영역 시료채취 장치개발

Micro Sampling System for Highly Radioactive Specimen by Laser Ablation

Sun-Ho Han, Yeong-Keong Ha, Ki-Chul Han, Yang-Soon Park, Kwang Youg Jee, Won Ho Kim

Abstract

Shielded laser ablation system composed of laser system, image analyser, XYZ translator with motion controller, ablation chamber, manipulator and various optics was designed. Nd:YAG laser which can be tunable from 1064 nm to 266 m was selected as light source. CCD camera(< 200) was chosen to analyze a crater less than 50 un in diameter. XYZ translator was composed of three linear stage which can travel 50 w with a minimum movement of 1 um and motion controller. Before the performance test, each part of system was optically aligned. To perform the ablation test, the specimen was ablated by 50 um interval and observed by image analyser The shape of crater was almost round, indicating laser beam has homogeneous energy distribution. The resolution and magnification of image system were compatible with the design.

 

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