Abstract
A flash photoelectron microscope, driven by 4 ns KrF excimer laser pulses, is introduced. The microscope is equipped with a solid state laser for in situ processing of metals with focused nanosecond pulses. Transient stages during laser-induced melting, solidification, and alloying of Al films on bulk substrates have been imaged with an exposure time of 4 ns. The photoelectron microscope is proved to be a powerful real-time probe for fast-proceeding incipient laser-induced damage, sensing changes of surfaces being too shallow to be detected by light interference and electron scanning microscopy. The combined time/space resolution is limited by lens aberrations, space charge, shot noise, and detector efficiency to about 4 ns/1.3 μm, at present.
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Dates
Type | When |
---|---|
Created | 23 years, 1 month ago (July 26, 2002, 8:34 a.m.) |
Deposited | 2 years, 1 month ago (July 8, 2023, 12:37 p.m.) |
Indexed | 1 year, 6 months ago (Feb. 10, 2024, 10:21 p.m.) |
Issued | 28 years, 3 months ago (June 1, 1997) |
Published | 28 years, 3 months ago (June 1, 1997) |
Published Print | 28 years, 3 months ago (June 1, 1997) |
@article{Bostanjoglo_1997, title={Pulsed photoelectron microscope for imaging laser-induced nanosecond processes}, volume={68}, ISSN={1089-7623}, url={http://dx.doi.org/10.1063/1.1148168}, DOI={10.1063/1.1148168}, number={6}, journal={Review of Scientific Instruments}, publisher={AIP Publishing}, author={Bostanjoglo, O. and Weingärtner, M.}, year={1997}, month=jun, pages={2456–2460} }