The Spitfire® Ace™ PA-100 is our flagship amplifier system. It is the most technically advanced 120 fs Ti:Sapphire regenerative amplifier commercially available. Equipped with our proprietary Ace cavity design, the Spitfire Ace provides guaranteed long term performance, low noise and reliable day-to-day operation resulting in consistent OPA performance and nonlinear wavelength conversion for use in the most demanding ultrafast applications. he Spitfire Ace amplifier builds upon our highly successful Spitfire platform. Every component has been carefully evaluated and selected to maximize stability. The Spitfire Ace tunable regenerative amplifier produces an industry leading average power of more than 7 W at 1 kHz and 10 kHz, and 8 W at 5 kHz with excellent beam quality.