The new advance of fs, TW level Ti：Al2O3 laser based upon CPA techniques

crystal are used as the gain medium and amplification medium to configurate the high performance lasers with extra-short pulses of femto-second level,high power output of 100 TW grade and wide tunning range.This paper summarized the new progress of Ti:Al2O3lasers based on CPA technique systematically,described the developing process of Ti:Al2O3lasers and the new important ad-vance.The Ti:Al2O3laser can be used as the extra-short laser pulse source to generate the extra-short X ray,or other applications.