SOFT-X-RAY AMPLIFICATION IN A CAPILLARY DISCHARGE
- SOFT-X-RAY AMPLIFICATION IN A CAPILLARY DISCHARGE
- KIM, DE; LEE, TN; SHIN, HJ
- Date Issued
- AMERICAN PHYSICAL SOC
- Soft-x-ray amplification in the C VI Balmer alpha transition is observed in a capillary discharge. The capillary is made of polyethylene with a bore diameter of 1.2 mm. A hot and dense carbon plasma which is formed on the capillary axis region expands radially and collides with the wall where it undergoes a rapid cooling and subsequent recombination. The amplification takes place in this cool (T(e) approximately 13 eV) plasma region, according to space-resolved spectral data obtained using a 2-m grazing incidence spectrograph. The gain coefficient is measured to be 2.8 cm-1.
- Article Type
- PHYSICAL REVIEW E, vol. 50, no. 2, page. 1376 - 1382, 1994-08
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