The DLC Holo-Litho 405 from TOPTICA is a Single Frequency Diode Laser that operates at 405 nm. It delivers up to 1 W of power combined with an excellent beam quality factor (1.15). This laser has good wall-plug efficiency and more than 100 meters of coherence length. The laser features hands-off operation and has a push-button-style user interface. It is available in a packagethat includes a control unit and a 2-meter cable. The device has a laser head (485 x 410 x 90 mm) and is suitable for lithography, laser direct imaging, mask writing, holography, and interferometry applications.