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Transient gain/loss in tunable solid-state vacuum ultraviolet laser media

Abstract:
We have developed a model for the net induced gain as a function of pump fluence, based on a rate equation analysis of the populations of the 4f(n-1) 5d → 4f(n) level of the activator ions and of absorptive color centers. As an example, this has been applied to LiLuF4:Ce3+, in which we have also observed laser oscillation at 326.9 nm. The net gain is seen to rise rapidly with pump fluence before showing saturation and roll-off. This behavior can be explained by the creation of color centers that absorb strongly in the UV. We will present the results of similar measurements in the VUV on samples of LiYF4:Nd3+ and LaF3:Nd3+.

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Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Atomic & Laser Physics
Role:
Author


Publisher:
IEEE
Journal:
Conference on Lasers and Electro-Optics Europe - Technical Digest More from this journal
Pages:
1-2
Publication date:
1994-01-01


Language:
English
Pubs id:
pubs:344058
UUID:
uuid:371a18a9-c6fa-4c4d-8e90-07640063a3f8
Local pid:
pubs:344058
Source identifiers:
344058
Deposit date:
2012-12-19

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