Photonics West

2021/03/06 - 2021/03/11


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This event will showcase our leading laser technology for applications like LiDAR, 3D Sensing, Near-To-Eye-Projection for smart glasses, Laser Illumination and Material Processing.

Watch our presentation about the role of VCSELs in LiDAR and 3D sensing


3D sensing is being widely adopted in consumer, industrial and automotive markets. As an illumination source, VCSELs provide a combination of high efficiency, miniaturized packaging, fast pulse rise times and minimal spectral shift with temperature. This paper will describe advances in VCSEL technology that address the requirements of 3D sensing and LiDAR applications. 3D Sensing based on structured light requires power efficient VCSELs with a narrow beam divergence, compatible with the optics that produce a spot pattern in the far field. Time of Flight or LiDAR also requires high power efficiency, as well as fast rise times for good resolution in the 3rd dimension. For consumer applications, compactness of the illumination module is important, while all versions of 3D sensing benefit from the VCSEL’s narrow spectrum and low spectral shift with temperature.

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Presenter: Mary K. Hibbs-Brenner
Dr. Mary Hibbs-Brenner is currently the CEO of Vixar, a wholly owned subsidiary of Osram Opto Semiconductors. Along with Dr. Klein Johnson, Mary co-founded Vixar in 2005 and oversaw its sale to Osram in 2018. Previously Mary held business development, technical management and research positions at Honeywell. She was responsible for initiating Honeywell’s VCSEL activity and directed R&D within that business, until it was sold to Finisar. Dr. Hibbs-Brenner has an MBA from the University of Minnesota, a Ph.D. in Materials Science from Stanford University and a B.A. in Physics from Carleton College. She spent two years doing post-doctoral research at the University of Linköping in Sweden.

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