Micromirror-based real image laser automotive head-up display

Fan, Chao; He, Siyuan

doi:10.1080/15599612.2017.1342884

Cited by 8 publications

(3 citation statements)

References 19 publications

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“…LDs are considered efficient lighting sources with high luminous efficacy 24 , 25 . Also, LD based lighting systems can bring new lighting architectures with high controllability from low divergence 26 . For the use of LDs for lighting, however, eye-safety should be taken into account.…”

Section: Resultsmentioning

confidence: 99%

A Wide-Area Coverage 35 Gb/s Visible Light Communications Link for Indoor Wireless Applications

Chun

Gómez

Quintana

et al. 2019

Sci Rep

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Visible Light Communications (VLC) can provide both illumination and communications and offers a means to alleviate the predicted spectrum crunch for radio-frequency wireless communications. In this paper, we report a laser diode based white-light communications link that operates over a wide area and supports high data rates. The proposed system is a four-colour multiplexed high-speed VLC system that uses a microelectromechanical system (MEMS) mirror-based beam-steering. The system operates at record data-rates of more than 35 Gb/s (Bit Error Rate(BER) < 3.8 × 10−3) with a coverage area of 39 m2 at a link distance of 4 m. To the best of our knowledge this is the fastest VLC demonstration reported thus far. The paper also addresses issues of eye-safety, showing data rates of more than 10 Gb/s are feasible.

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Section: Resultsmentioning

confidence: 99%

A Wide-Area Coverage 35 Gb/s Visible Light Communications Link for Indoor Wireless Applications

Chun

Gómez

Quintana

et al. 2019

Sci Rep

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“…LiDAR has the advantages of long detection distance, good coherence, and high spatiotemporal resolution, which makes it widely used in fields such as robotics, autonomous driving, security, and environmental monitoring [ 1 ]. The micro mirror, as a micro-opto-electromechanical system (MOEMS) device, has been widely used in many applications, such as medical, automotive, consumer, and military electronics [ 2 , 3 , 4 ], etc. Meanwhile, there is a growing demand for small LiDAR with broad research prospects [ 5 ].…”

Section: Introductionmentioning

confidence: 99%

Design of an Electromagnetic Micro Mirror Driving System for LiDAR

Chen,

Zhang,

Zhang

et al. 2024

Sensors

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Electromagnetic micro mirrors are in great demand for light detection and ranging (LiDAR) applications due to their light weight and low power consumption. The driven frequency of electromagnetic micro mirrors is very important to their performance and consumption. An electromagnetic micro mirror system is proposed in this paper. The model of the system was composed of a micro mirror, an integrated piezoresistive (PR) sensor, and a driving circuit was developed. The twisting angle of the mirror edge was monitored by an integrated PR sensor, which provides frequency feedback signals, and the PR sensor has good sensitivity and linearity in testing, with a maximum of 24.45 mV/deg. Stable sinusoidal voltage excitation and frequency tracking was realized via a phase-locked loop (PLL) in the driving circuit, with a frequency error within 10 Hz. Compared with other high-cost solutions using PLL circuits, it has greater advantages in power consumption, cost, and occupied area. The mechanical and piezoresistive properties of micro mirrors were performed in ANSYS 19.2 software. The behavior-level models of devices, circuits, and systems were validated by MATLAB R2023a Simulink, which contributes to the research on the large-angle deflection and low-power-consumption drive of the electromagnetic micro mirror. The maximum optical scan angle reached 37.6° at 4 kHz in the behavior-level model of the micro mirror.

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“…Laser-based projection displays are being developed and demonstrated by several companies such as Mitsubishi, Microvision, Alcatel-Lucent, and Explay [2]. In addition to consumer electronics, laser is also widely used for automotive applications, such as lidar and head-up displays [3,4]. For display and imaging applications, the image quality is critical, especially for high information content.…”

Section: Introductionmentioning

confidence: 99%