The Laser diodes in the wavelength range of 460nm-490nm are blue laser diodes.
Such as Model: NUBM05
450-460nm Blue Laser Diode Module 83.5W /28.5W NUBM05
Blue Laser. 460nm Blue Diode Laser. MDL-E-460, MXL-III-460, OEM-I-460. Narrow Linewidth Blue Laser
460nm 30mW Pigtailed Laser Diode
Sharp 450nm 460nm 80mw laser diode.