RoboSense Fairy 48-Beam Mid-Range Digital LiDAR with 360° × 32° FOV
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It combines a 360° × 32° field of view, up to 150 m ranging capability, and structured point-cloud output for robotics perception, mapping, navigation, and obstacle-awareness development. The 48-beam model specifies approximately 690,000 pts/s in single-return mode and approximately 1,380,000 pts/s in dual-return mode. With a typical 0.5 cm (1 sigma) precision specification, integrated IMU, and digital SPAD-SoC and VCSEL architecture, Fairy48 is designed for high-density 3D perception on mobile robots and automation systems. Fairy uses active illumination and a digital signal path to support point-cloud collection in changing lighting conditions. The platform documentation lists 100Base-T1 / 100Base-TX Ethernet, UDP output, and GPS, PTP, and gPTP time-synchronization options for integration workflows. Fairy platform context: RoboSense offers both 48- and 96-beam Fairy configurations. This listing is the 48-beam version; the 48-beam point-rate values in this description and the Specifications table are the applicable values for this product. Features 48-beam 3D sensing - This product uses the 48-line Fairy configuration for detailed, structured 3D environmental perception. 360° × 32° field of view - Full horizontal coverage and a vertical field from -15.84° to +15.84° support broad spatial awareness. 150 m ranging capability - The official 48-line manual specifies 150 m maximum measurement capability and 80 m at 10% NIST reflectance. High precision - The 48-line manual lists a typical 0.5 cm (1 sigma) ranging precision, subject to the documented target and environmental test conditions. Single and dual return modes - The platform supports strongest, first, last, and dual return modes; the 48-line output rate is approximately 690,000 pts/s single return and 1,380,000 pts/s dual return. High-resolution rotating scan - The 48-line configuration specifies 0.25° horizontal and 0.67° vertical angular resolution at a 10 Hz frame rate. Integrated IMU - Built-in IMU data can support host-side motion compensation, orientation analysis, and multi-sensor development workflows. Digital SPAD-SoC and VCSEL architecture - The chip-based transceiver design is intended to preserve rich point-cloud information while maintaining efficient system integration. Compact mobile-robot form factor - The LiDAR body measures φ75 mm × H70 mm and weighs less than 350 g without cabling. Rugged integration parameters - The manual lists IP67 / IP6K9K, -40°C to +60°C operation, and 9 V to 32 V input. 48-Beam Precision Point Cloud Fairy family overview; the table below specifies the 48-beam configuration. Fairy Platform and 48-Beam Configuration The Fairy48 configuration combines 48 lines, 0.25° horizontal resolution, and 0.67° vertical resolution to supply a consistent point-cloud stream for object contour, distance, and environment-reconstruction algorithms. Use the single- or dual-return mode that matches the host pipeline and data-bandwidth requirements. Geometric Detail for Mapping The Fairy48 point cloud can support host-side surface reconstruction and obstacle-contour analysis. Match the return mode and calibration to the target environment; ranging repeatability alone does not determine mapping accuracy. Structured Data for Perception Use the 48-channel scan pattern and documented timestamps as inputs to registration, localization and sensor-fusion software. Account for the documented periodic scan gap when processing successive frames. Compact Design for Mobile Platforms With a compact φ75 mm × H70 mm body and LiDAR-only weight below 350 g, Fairy48 can be evaluated for drones, mobile robots, autonomous vehicles, and other platforms where sensing coverage, mounting space, and payload all matter. Digital Architecture and Integration RoboSense describes Fairy as using a next-generation VCSEL emitter and a high-photon-detection-efficiency SPAD-SoC. The 48-line documentation specifies 100Base-T1 / 100Base-TX connectivity, UDP packets over Ethernet, and point data that includes spatial coordinates, reflectivity, timestamps, and related fields. Specifications Parameter Configuration Product model RoboSense Fairy48 Number of lines 48 Field of view Horizontal: 0° to 360°; Vertical: -15.84° to +15.84° (32°) Measurement range 150 m; 80 m @ 10% NIST Typical ranging precision 0.5 cm (1 sigma), typical repeatability specification in the 48-line manual; not absolute map accuracy Blind zone ≤0.2 m Angular resolution Horizontal: 0.25°; Vertical: 0.67° Rotation speed 600 rpm Frame rate 10 Hz Output point rate Approximately 690,000 pts/s (single return); approximately 1,380,000 pts/s (dual return) Return modes Strongest, first, last, and dual return Laser wavelength and safety 940 nm; Class 1 eye-safe Integrated sensor IMU Ethernet connection 100Base-T1 / 100Base-TX Transmission bandwidth
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