VQ-680 OEM

High-Performance Online Waveform Processing Airborne LiDAR Scanning Module for Integration with Third-Party Camera Systems

RIEGL | Innovation in 3D

Horn, AT

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Description

The VQ-680 OEM is a compact airborne LiDAR scanner module designed for integration with large-format photogrammetric aerial camera systems that are configured for urban mapping applications. The VQ-680 OEM’s form factor has been optimized to provide a compact scanner with a small exit aperture, given the limited space in, e.g., photogrammetric oblique camera configurations.

The LiDAR scanner module includes an innovative scanning mechanism that provides forward, nadir, and backward scan lines at +20/+10/0/-10/-20 degrees in the flight direction. In combination with a wide horiontal field of view of 60 degrees a regular point spacing for each viewing direction is generated, enabling exceptional coverage of vertical structures such as building facades, as well as coverage at the bottom of narrow street canyons with little to no shadowing.

The operational envelope ranges from typical flying altitudes of 1000 m AGL at a pulse repetition rate of 2.4 MHz (~ 24 pts/m2 at 120 kts), up to 2300 m AGL at a PRR of 300 kHz for targets with reflectivity in excess of 20%. Electrical interfaces comprise of a power supply, PPS and NMEA time synchronization, and a laser safety connector. Scan data is stored on an external PC via Gigabit Ethernet, which is also used for configuring and controlling the laser scanner via RiACQUIRE, RIEGL‘s versatile data acquisition software featuring a GUI, real-time data visualization and remote control capabilities.

A sturdy mechanical interface enables mounting the LiDAR module inside a camera system rigidly connected with the IMU/GNSS system and various camera modules.

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Specifications

General: Data storage facilities

Solid State Disc SSD, 2 TByte

Postprocessing software

RiACQUIRE, RiPROCESS, RiUNITE

Power requirements

typ. 100 W, max. 190 W

Total Weight [kg]

< 10 kg

Year of introduction

2023

Application: Main applications

Mapping of Complex Urban Environments • City Modeling • Ultra-High Resolution Mapping • Oblique Mapping of Vertical Structures • Corridor Mapping

Measurement Characteristics: Max. field of view [deg]

60

Max. number of recorded echoes per pulse

32

Max. pulse frequency [Hz]

2400000

Min. pulse frequency [Hz]

300000

Full-wave form digitization

Y

Scanning method

echo signal digitization, online waveform processing, time-of-flight measurement, multiple target capability, NFB (Nadir/Forward/Backward) scanning

Laser Pulse Characteristics: Type/class laser

Class 3B Laser Product according to IEC 60825-1:2014

Standard pulse length [ns]

3

Wavelength [nm]

1052

More information: Distinguishable features

High pulse repetition rates of up to 2.4 MHz • Up to 2 MHz measurements on the ground • Forward / nadir / backward scan directions at +20 / +10 / 0 / -10 / -20 degrees • Wide field of view of 60 degrees • Excellent atmospheric clutter suppression • Multiple target capability • Online waveform processing