Sony & Sumitomo Bring World’s First Green Laser Diode With 100mW Power

Among the RGB colors, the red and blue laser diodes are quite famously used, but there was a need of green lasers for getting high performance from the laser projectors and display devices. So, Sony and Sumitomo Electric have brought the world's first green laser diode that has an optical output power of over 100 mW in the true green region at a wavelength of 530 nm. Till date, we did have green lasers, but they were generated by converting some expensive light source to the wavelength of infrared laser light. While the GaN-based green lasers did not achieve sufficient or required luminosity.



This precious green laser diode will deliver twice the luminosity as compared to the GaN green laser diodes, and a color gamut broadened by 182% based on the NTSC standard.  Sumitomo Electric and Sony have worked together to bring this laser out in the market by using semi-polar GaN substrate, crystal growth, wafer processing technologies and Sony’s Blu-ray development technology. This just means that the videos and images on laser displays will become more vibrant in days to follow.

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