Impact of contaminates on the laser damage threshold of 1ωHR coatings -: art. no. 59910O

被引：5

作者：

Norton, MA ^{[1
]}

Stolz, CJ ^{[1
]}

Donohue, EE ^{[1
]}

Hollingsworth, WG ^{[1
]}

Listiyo, K ^{[1
]}

Pryatel, JA ^{[1
]}

Hackel, RP ^{[1
]}

机构：

[1] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA

来源：

Laser-Induced Damage in Optical Materials: 2005 | 2005年 / 5991卷

关键词：

laser damage; laser damage growth; 1 micron high reflectors; particulate contamination;

D O I：

10.1117/12.638832

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

In operational laser systems, it is often difficult to keep optical components completely free of foreign material. We have investigated the performance of high damage threshold 1.053 mu m high reflectors in the presence of surface contaminants. We have looked at the impact of stainless steel, aluminum, Azurlite((R)), dust, cotton fibers and polyester fibers on the performance of the mirrors under laser irradiation. The first four contaminants were deposited in sizes ranging from 30 microns to 150 microns. The fibers included lengths ranging to several millimeters. The testing was done at either a single fluence in the range of 6 J/cm(2) to 24 J/cm(2), or a ramped sequence of shots starting at 1 J/cm(2). We will present data showing the onset of damage, the type of damage, and the propensity to damage growth in the fluence range studied.

引用

页码：O9910 / O9910

页数：9

共 50 条

[1] Molecular contamination damage prevention lessons learned from vacuum laser operation - art. no. 59910E
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[2] Surface analytical evaluation of contamination related laser induced damage to a TIR slab - art. no. 59910I
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[3] Clean assembly practices to prevent contamination and damage to optics - art. no. 59910Q
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[5] Characterisation of short pulse laser target debris at the HELEN laser facility - art. no. 59910L
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[6] Damage threshold of acrylic polymer jackets surrounded with optical fiber by UV laser - art. no. 63462O
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[7] Influence of the cut angle on the laser damage threshold of KDP - art. no. 59911V
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[8] New mechanism of intrinsic laser-induced damage of wide band-gap transparent solids - art. no. 59910U
Guzdev, VE
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[9] Influence of ion-assisted deposition on laser-induced damage threshold and microstructure of optical coatings - art. no. 59911F
Abromavicius, G
Buzelis, R
Drazdys, R
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[10] Vacuum laser damage test bench - art. no. 599128
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