Lasers ♦ news digest
Skyworks Solutions is an innovator of high reliability analog and mixed signal semiconductors. Leveraging core technologies, Skyworks offers diverse standard and custom linear products supporting automotive, broadband, cellular infrastructure, energy management, industrial, medical, military and mobile handset applications. The Company’s portfolio includes amplifiers, attenuators, detectors, diodes, directional couplers, front-end modules, hybrids, infrastructure RF subsystems, mixers/demodulators, phase shifters, PLLs/synthesizers/VCOs, power dividers/ combiners, receivers, switches and technical ceramics.
Light Touch projects bright, high-quality video images in WVGA resolution using Opnext laser diode technology (Photo: Business Wire) Using a unique and proprietary design, the HL45023TG provides 60mW of optical output power at a 445nm wavelength and consumes 30 % less power than existing, commercially available blue lasers.
Lasers
Opnext Unveils 445nm Blue LD for Mini Projectors
The firm says its blue laser diode consumes 30 % less power than the leading blue laser offerings and is suited for use in pico projectors embedded devices.
Opnext, a provider of high power, low operating current red and infrared laser diodes, has revealed a high power 60mW, 445nm blue laser diode.
The first in a family of blue laser diodes being planned for development, Opnext’s HL45023TG blue laser diode is designed for accessory or mobile pico projector applications as well as embedded device applications where a pico projector image capability is envisioned to be integrated into a mobile phone.
The blue laser is built in a compact 3.8mm package size, making it ideal for the growing market demand in embedded and mobile device applications. In addition, the laser diode performs with a small aspect ratio of 2.1, which is close to being the same aspect ratio as the red, high power laser diode Opnext currently provides for pico projector applications. With the introduction of this blue laser, pico projector module manufacturers can improve their RGB module by using the red and blue laser diodes from Opnext.
“Our red laser diode offering for pico projector manufacturers has already been well received. Now, with the addition of a blue laser diode to our product portfolio, we anticipate manufacturers will be pleased with the power and image quality results they can deliver from their system,” said Tadayuki Kanno, President of Opnext’s devices business unit. “Opnext’s focus continues to be on the development of diodes that are high power, high quality and high performance while consuming less energy.”
The market projection for pico projectors is cited by In-Stat, a research and analytics firm, to reach 20 million units in 2014, primarily driven by tiny projectors embedded in mobile handsets, personal media players, cameras and camcorders. (“Pico Projectors: One Reason Bigger Isn’t Better,” In-Stat, May 2010).
“Opnext is one of the key red laser diode suppliers for our Light Touch product and they have consistently delivered on the quality we need,” stated Light Blue Optics CEO Chris Harris. “The introduction of Opnext’s high power blue laser is an important step in our roadmap towards embedded projection systems that deliver improved image quality and three times the brightness of a typical tablet screen using only half the power.”
Opnext offers a broad spectrum of laser diode products that span 404nm to 850nm, driven by more than 30 years of innovative laser heritage.
January / February 2011
www.compoundsemiconductor.net 103
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