The effect of laser wavelength on the ablation rate of carbon

被引：56

作者：

Hoffman, J. ^{[1
]}

Chrzanowska, J. ^{[1
]}

Kucharski, S. ^{[1
]}

Moscicki, T. ^{[1
]}

Mihailescu, I. N. ^{[2
]}

Ristoscu, C. ^{[2
]}

Szymanski, Z. ^{[1
]}

机构：

[1] Inst Fundamental Technol Res, PL-02106 Warsaw, Poland

[2] Natl Inst Lasers Plasma & Radiat Phys, Bucharest 77125, Romania

来源：

APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING | 2014年 / 117卷 / 01期

关键词：

PLASMA; VAPORIZATION; TEMPERATURE; GRAPHITE;

D O I：

10.1007/s00339-014-8506-0

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The ablation of graphite is studied as a function of laser fluence for 355, 532 and 1,064 nm wavelength generated by a nanosecond Nd:YAG laser. It has been found that in the case of lower wavelengths, the transition from the thermal ablation to the phase explosion takes place at lower laser fluences. The change of crater shape due to the effect of deep drilling in the proximity of the phase explosion threshold was observed. The calculations of plasma radiation flux to the target surface were made, and the considerable increase of absorbed energy density was found in the case of 355 nm wavelength.

引用

页码：395 / 400

页数：6

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