Pulse rep rate 9.5khz-9.5mhz variable integer division of oscillator frequency; defraction rate >60%; contrast >500: 1; wavelength <700nm->1000nm; dimension head 10.5x6.2x6.2 in, driver 17.2x17.2x7in; use with mira 900 femtosecond or picosecond modelocked ti: sapphire laser