NDLI: Ultraviolet laser pulse amplification in Ce:LLF

Content Provider	IEEE Xplore Digital Library
Author	Buhr, M. Fedosejevs, R.
Copyright Year	2002
Description	Author affiliation: Dept. of Electr. & Comput. Eng., Alberta Univ., Edmonton, Alta., Canada (Buhr, M.; Fedosejevs, R.)
Abstract	Experimental and numerical modeling studies have been carried out in order to characterize the suitability of Ce:LLF as an amplifier medium for UV ultrashort pulses. The spontaneous lifetime, gain cross-section and absorption cross-section were measured for pumping at 248 nm. A sigma polarized transverse pump energy fluence of 1.3 J/cm/sup 2/ at 248 nm gave a single pass gain coefficient of 4.7 cm/sup -1/ at 308 nm (pi polarization) in a 7.5 mm long crystal. In order to assess application to a high intensity ultrashort laser system, a three stage Ce:LLF chirped pulse amplification system was numerically modelled. The results indicated that a 60 fs 20 /spl mu/J seed pulse could be amplified to an output energy of 800 mJ (after pulse compression), resulting in a peak power of 13 TW using 5.1 J of KrF pump energy.
Sponsorship	Dept. Electr. & Comput. Eng. Faculty of Graduate Studies Faculty of Eng. TRLabs Internet Innovation Centre NRC Inst. Biodiagnostics APEGM IEEE Winnipeg Sec. IEEE Canada & IEEE Manitoba Hydro Vansco Electron. Bristol Aerosp. Nygard Int. Norsat
Starting Page	327
Ending Page	332
File Size	584365
Page Count	6
File Format	PDF
ISBN	0780375149
ISSN	08407789
DOI	10.1109/CCECE.2002.1015243
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2002-05-12
Publisher Place	Canada
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Optical pulses Pulse amplifiers Laser modes Pump lasers Numerical models Polarization Electromagnetic wave absorption Gain measurement Chirp Power system modeling
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering Hardware and Architecture

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