Compared to Light Emitting Diodes (LEDs) , semiconductor laser diodes have low power consumption, high-power output and can be used with optical systems having a higher maximum aperture. These considerable advantages mean that they can be used for projectors that do not require focal adjustment.

Mitsubishi Electric has a range of lasers available, including a multi-mode semiconductor laser with a 638nm wavelength and 3.8W output (when pulse-driven) , 2.1W output (when CW-driven) that provides highly visible, vibrant red colors for color projectors.

BeamQ Mitsubishi 638nm 1.8W Red Laser Diodes.

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