Laser pulse compression using current technology is possible only within a window in the laser intensity-frequency space. However, using magnetized plasmas as the gain media to mediate energy transfer from the pump laser to the seed pulse, it is possible to use pump lasers of higher frequency or lower intensity to produce output pulses with higher intensity and longer duration. This invention replaces the cost of producing high quality grating or high density uniform plasmas by the cost of producing strong magnetic fields.
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