Teh Chew Peng
 
 

 

 

 

 

 

 

 

 

 

 

 

 

 

Tel : +603-7967 4094  Fax : +603-7967 4146

 

 

Development of a low current discharge-driven soft x-ray laser

 

We report the output characteristics of a saturated capillary discharge 46.9 nm Ne-like Ar soft x-ray laser obtained with relatively low main discharge current of less than 20 kA, with the lowest being 9 kA. The 20 cm long and 3 mm diameter alumina capillary channel was filled with argon in the region 0.1–0.4 mbar and was driven by a current pulse with a quarter-cycle duration of about 40 ns. The laser pulse duration generated was about 1.3 ns, with a gain coefficient of 1.2 cm−1.

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Optical metrology for optical wavefront evaluation

 
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