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ASTM Selected Technical Papers
Laser Induced Damage In Optical Materials: 1983
By
HE Bennett
HE Bennett
1
Naval Weapons Center
?
China Lake, California 93555
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AH Guenther
AH Guenther
2
Air Force Weapons Laboratory Kirtland Air Force Base
,
New Mexico 87117
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D Milam
D Milam
3
Lawrence Livermore National Laboratory
?
Livermore, California 94550
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BE Newnam
BE Newnam
4
Los Alamos National Laboratory
?
Los Alamos, New Mexico 87545
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ISBN-10:
0-8031-0930-X
ISBN:
978-0-8031-0930-8
No. of Pages:
584
Publisher:
ASTM International
Publication date:
1985

The surface and near-surface regions in diamond machined Cu have been investigated by high resolution transmission electron microscopy, scanning electron microscopy, and scanning transmission electron microscopy. This study has revealed that the near-surface region produced by diamond machining is heavily deformed and that the temperature rise due to the deformation leads to interesting internal oxidation and dynamic recrystallization effects. Surface microstructure is shown to be related to the surface microtopography. A companion paper at this conference presents some correlation of this observed structure with optical properties of the surface including laser damage thresholds.

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