ENERGY EFFICIENCY OF FEMTOSECOND LASER ABLATION OF POLYMER MATERIALS

被引：10

作者：

Loktionov, E. Yu. ^{[1
]}

Ovchinnikov, A. V. ^{[2
]}

Protasov, Yu. Yu. ^{[1
]}

Protasov, Yu. S. ^{[1
]}

Sitnikov, D. S. ^{[2
]}

机构：

[1] NE Bauman Moscow State Tech Univ, Moscow 105005, Russia

[2] Russian Acad Sci, Joint Inst High Temp, Moscow 117901, Russia

来源：

JOURNAL OF APPLIED SPECTROSCOPY | 2012年 / 79卷 / 01期

关键词：

femtosecond laser pulses; laser ablation; spectral energy thresholds; ablated mass; polymers; polytetrafluoroethylene; polyoxymethylene; THIN-FILMS; POLYTETRAFLUOROETHYLENE TEFLON; YAG LASER; DEPOSITION; THRESHOLD; PLASMA; PULSES; PTFE; POLY(TETRAFLUOROETHYLENE); DEFLECTION;

D O I：

10.1007/s10812-012-9570-x

中图分类号：

O433 [光谱学];

学科分类号：

0703 ; 070302 ;

摘要：

We present the results of an experimental study of the ablation spectral energy thresholds for a number of polymer materials ((C2F4)(n), (CH2O)(n)) exposed to femtosecond (tau(0.5) similar to 45-70 fs) laser pulses (lambda similar to 266, 400, 800 nm) under atmospheric conditions and under vacuum (p similar to 10(-2) Pa). We have analyzed the energy thresholds and the efficiency of optical, thermophysical, and gasdynamic processes in laser ablation vs. the laser pulse duration and photon energy.

引用

页码：104 / 112

页数：9

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