II-VI‘s New Double-junction VCSEL Arrays Improves The Power Conversion Efficiency to 56%
II‐VI Incorporated (Nasdaq: IIVI), a leading provider of semiconductor lasers and micro-optics for consumer electronics, today announced its double-junction vertical cavity surface-emitting laser (VCSEL) arrays, the first of its multi-junction VCSEL array platforms for next-generation world-facing 3D sensing applications.
The growing adoption of 3D sensing in several markets, including in consumer electronics, automotive, and industrial, is driving the demand for depth sensors with longer and wider range, lower power consumption, smaller size, and lower cost. II-VI’s new VCSEL arrays are based on a double-junction technology that doubles the power output per VCSEL emitter and improves the power conversion efficiency to 56%, compared with 46% in existing single-junction technology. This can be leveraged for a number of differentiating benefits, including higher output power to sense farther and wider, reduced battery power consumption, and smaller size to achieve lower cost and to enable more inconspicuous designs.
“We have developed over the years strong partnerships with our customers, closely collaborating on the development of long-term technology and product roadmaps aimed at providing breakthrough solutions and continuously elevating user experience in 3D sensing,” said Dr. Julie Eng, Sr. Vice President, Optoelectronic & RF Devices Business Unit. “A few years ago, we successfully scaled our vertically integrated GaAs optoelectronics technology platform from 3-inch to 6-inch, which enabled us to shorten our development cycles and introduce new products to meet aggressive market windows. We are now once again evolving the platform, this time with a leap to double-junction technology that we believe will unlock exciting new use cases, such as farther depth of sensing in world-facing applications and seamless integration into consumer products for AR and VR applications.”
II-VI’s Double-Junction VCSEL Arrays emit at 940 nm, and their steep slope efficiencies enable very short pulses of very high peak powers. The VCSEL arrays are designed for low-cost non-hermetic packaging and, like the single-junction arrays, can be reliably and cost-effectively scaled in total power by increasing the number of emitters per chip. They can also be produced in high volume on II-VI’s vertically integrated 6-inch platform.
II-VI’s broad portfolio of products for 3D sensing includes diffractive optical elements (DOEs) and thin-film filters that are produced at wafer-scale for high-volume applications. DOE flat lenses and lenslet arrays collimate, focus, or transform beams from VCSEL arrays. DOE diffusers homogenize the output of VCSEL arrays and produce a uniform field of illumination. DOE splitters separate an input beam into multiple output beams. Filters are used to improve the signal-to-noise ratio of the image sensor array. II-VI VCSEL arrays are available as chips or integrated with DOEs in surface-mount technology packages.
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本文由彷小龍转载自II-VI MARLOW，原文标题为:II-VI Incorporated Unveils High-Power and High-Efficiency Double-Junction VCSEL Arrays for Next-Generation 3D Sensing，本站所有转载文章系出于传递更多信息之目的，且明确注明来源，不希望被转载的媒体或个人可与我们联系，我们将立即进行删除处理。
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