200 nm deep uv DPSS laser
There are some deep UV dpss laser close to the 200nm laser. Such as
210 nm 1000 µJ Tunable Laser, Hands free 210nm tunable range; Hermetically sealed; 20Hz Repetition rate from OPOTEK, Inc. Pulsed solid state laser with tunable wavelengths from 193 to 210nm, energy from 0 to 850μJ, a repetition rate of 20Hz and a pulsewidth of 6ns.