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Some design limitations for large aperture high energy per pulse excimer lasers

Abstract

Scientific and industrial applications of UV discharge excimer lasers have stimulated considerable interest in developing high average and peak power laser systems. Although one joule per pulse, hundred watt excimer laser devices can be found on the market, there is still a demand for further scaling the discharge systems to larger sizes, since some potential applications, such as large area material processing, X-ray production, short pulse amplification and so on, require higher average power multi-joule per pulse laser output. This paper first discusses some discharge system scaling problems, and then, presents some experimental results, which were obtained with a 10 liter (10 x 10 x 100 cm) active volume, X-ray preionized discharge pumped XeCI laser system. For example, it was found that it is essential to use a very short, intense X-rays as an ionizing source in order to have an efficient preionization result, and that by improving the uniformity of both the electric field and the preionization intensity distribution in the electrode gap, and further compressing the X-ray pulse duration, much more laser energy may be obtained.
Publication Date:
Dec 31, 1992
Product Type:
Technical Report
Report Number:
ENEA-RT-INN-91-32; RT/INN-91-32
Reference Number:
SCA: 426002; PA: ITA-93:000088; SN: 93000947310
Resource Relation:
Other Information: PBD: 1992
Subject:
42 ENGINEERING; X-RAY LASERS; SIZING; EXCIMER LASERS; XENON CHLORIDES; DESIGN; PERFORMANCE; IONIZATION; ELECTRIC FIELDS; COMPATIBILITY; PULSE RISE TIME; EXPERIMENTAL DATA; 426002; LASERS AND MASERS
OSTI ID:
10128913
Research Organizations:
ENEA, Frascati (Italy). Dipt. Sviluppo Tecnologie di Punta
Country of Origin:
Italy
Language:
English
Other Identifying Numbers:
Journal ID: ISSN 1120-558X; Other: ON: DE93769324; TRN: 93:000088
Availability:
OSTI; NTIS (US Sales Only)
Submitting Site:
ITA
Size:
27 p.
Announcement Date:
Jul 04, 2005

Citation Formats

Letardi, T, Bollanti, S, Di Lazzaro, P, Flora, F, Lisi, N, and Zheng, C E. Some design limitations for large aperture high energy per pulse excimer lasers. Italy: N. p., 1992. Web.
Letardi, T, Bollanti, S, Di Lazzaro, P, Flora, F, Lisi, N, & Zheng, C E. Some design limitations for large aperture high energy per pulse excimer lasers. Italy.
Letardi, T, Bollanti, S, Di Lazzaro, P, Flora, F, Lisi, N, and Zheng, C E. 1992. "Some design limitations for large aperture high energy per pulse excimer lasers." Italy.
@misc{etde_10128913,
title = {Some design limitations for large aperture high energy per pulse excimer lasers}
author = {Letardi, T, Bollanti, S, Di Lazzaro, P, Flora, F, Lisi, N, and Zheng, C E}
abstractNote = {Scientific and industrial applications of UV discharge excimer lasers have stimulated considerable interest in developing high average and peak power laser systems. Although one joule per pulse, hundred watt excimer laser devices can be found on the market, there is still a demand for further scaling the discharge systems to larger sizes, since some potential applications, such as large area material processing, X-ray production, short pulse amplification and so on, require higher average power multi-joule per pulse laser output. This paper first discusses some discharge system scaling problems, and then, presents some experimental results, which were obtained with a 10 liter (10 x 10 x 100 cm) active volume, X-ray preionized discharge pumped XeCI laser system. For example, it was found that it is essential to use a very short, intense X-rays as an ionizing source in order to have an efficient preionization result, and that by improving the uniformity of both the electric field and the preionization intensity distribution in the electrode gap, and further compressing the X-ray pulse duration, much more laser energy may be obtained.}
place = {Italy}
year = {1992}
month = {Dec}
}