... Green 530-560nm; Paper, plastic, glass, mental, and ceramic INFRARED (IR) LASER TEST CARDBy converting kinds of invisible near infrared wavelength ... from various kinds of semiconductor lasers, YAG large laser, IR LED etc. and also been applied in fields of optical fiber ... test and long lifetime etc. It functions with 1mW of IR Laser sources, efficient excitation wavelength arrange mainly from 800nm ...