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Proceedings Paper

Excimer Laser Fiber Coupling Using Pulse Lengths Between 15 And 300 ns
Author(s): U. Sowada; H.-J. Kahlert; F. Voss; D. Basting
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Paper Abstract

The technique of fiber-coupling for high power laser beams have recently become a theme of considerable interest (1). While in medical applications new fields of use will open with higher efficiency of beam transmission, due to higher flexibility of beam delivery systems also industrial applications may become profitable, which so far have seemed unworthy to think about. Excimer lasers pose a particularly challenging task due to the high peak powers in the ultra-violet spectral range, where a low number of photons may suffice to overcome the local threshold energy for charge carrier generation. With two new techniques of pumping the excimer gas, longer laser pulses have been achieved, effectively lowering the beam peak power. While in standard systems pulse durations of 15 ns are typical, these new devices deliver 60 and 250-300 ns, respectively.

Paper Details

Date Published: 26 April 1989
PDF: 3 pages
Proc. SPIE 1023, Excimer Lasers and Applications, (26 April 1989); doi: 10.1117/12.950157
Show Author Affiliations
U. Sowada, Lambda Physik (FRG)
H.-J. Kahlert, Lambda Physik (FRG)
F. Voss, Lambda Physik (FRG)
D. Basting, Lambda Physik (FRG)

Published in SPIE Proceedings Vol. 1023:
Excimer Lasers and Applications
Dirk Basting, Editor(s)

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