Notes
1. This device is classified as a laser product of class IV, it emits high power invisible light. Please
pay attention to the mark on this product, do not look directly at the laser output window (cross-
section of the output beam);
2. Please do not expose output laser beam to a plane mirror or other reflective surfaces, reflected
beam may make people injured or damage other objects;
3. The user should wear laser goggles;
4. If this product is used in the laboratory, there should be laser warning marks in this laboratory;
5. If the user wants to check the quality of laser spot, please use a wavelength converter or check
attenuated laser spot with CCD;
6. If this product is not used in a super-clean room, DPL and its peripheral components should be
sealed to prevent power reducing due to blemish on crystal ends and surfaces of the cavity mirrors;
7. Avoid using this product in high humidity environment because it¡¯s easily to dew on the cavity
surface of the bar, do not run the chiller when DPL is not working; when beginning to use this
product, quickly supply current no less than 5A after turning on the chiller; quickly turn off the chiller
after stopping using this product;
8. To expel water, as from the water pipes outlet/inlet of the DPL module by washing ear ball or
nitrogen gun when the DPL module not being used¡ê¬the water pipes may splinter in low
temperature.
