Abstract
A peak power of 1 TW has been obtained in a XeCl laser with a pulse width of 310 fsec. Amplified spontaneous emission was investigated extensively by changing the gain of wide-aperture discharge amplifiers. As a result, the amplified spontaneous emission content was suppressed to less than 3% in energy through the use of an appropriate spatial filter before the final amplifier and by operating at a low gain level of 4.8%/cm.
© 1988 Optical Society of America
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