Super-bright laser diode delivers more power but uses less energy

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By eeNews Europe

The diode claims to deliver the highest single-transverse-mode optical output power at a red wavelength available on the market.

The massive increase in output power is due to a technology breakthrough which Oclaro accomplished by developing new processes, including an optimised waveguide structure, and fine-tuning the laser device structural parameters. The consequent leap forward in performance enables a brighter, more vibrant high-lumen image display for compact mobile devices such as pico projectors, smartphones and mobile gaming devices while greatly decreasing power consumption.

Size reduction of mobile, handheld devices which employ RGB laser technology is often limited by the power requirements of the display which must have vibrant colour and sharp images while still offering low energy consumption and a long battery life. The Oclaro HL63153AT will benefit manufacturers with its low power consumption of 0.6 W in a tiny 3.8 mm-diameter TO industry-standard package.

The introduction of the HL63153AT is well-timed as a global company announces what it says is the highest resolution smartphone screen to date which is also the slimmest available on the market with the bonus of reduced power consumption and extended battery life.

The HL63153AT delivers 150 mW single transverse mode optical output power from a 3.8 mm package at a typical wavelength of 638 nm.  The device has a low operating current of 230 mA and threshold current of 75 mA. Operating voltage is only 2.7 V and LD reverse voltage is 2 V. Operating temperature is from -10 to +60 degrees Centigrade.

As well as laser displays, the Oclaro HL63153AT is ideal as a light source for optical equipment and small laser modules.

Oclaro’s high performance laser diodes are proven to consume a low operating current which extends battery life while maintaining the integrity of the laser diode power in a variety of applications such as range finding, line levelling construction systems and biomedical applications.

The Oclaro HL63153AT will be in full production from February 2014.

Visit The Optoelectronics Company at

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