A lightweight green laser system that is resistant to water absorption and capable of underwater surveying, suitable for surveying mountainous areas, river regions, and coastal areas.
In general drone laser surveying, near-infrared laser light is used. While near-infrared is inexpensive and easy to handle, it is easily absorbed by water and has a low reflectivity on black objects, which can result in the inability to obtain surface data depending on the condition of the ground as well as the underwater terrain. The TDOT 3 GREEN uses green laser light, which has a wavelength that can overcome the weaknesses of near-infrared. Like near-infrared, it can also survey land, allowing the TDOT 3 GREEN to perform terrain surveys both on land and underwater with just one unit. ■ Seamless Kinematic Processing The TDOT series provides a system that automates optimal trajectory analysis using electronic reference points and fixed stations, which require expertise, and seamlessly integrates the entire process up to point cloud data output. ■ Real-Time Display of Data During Surveying Since cross-sectional data during surveying can be checked in real-time, it is possible to understand whether the surveying work is being carried out as planned.
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basic information
■TDOT 3 GREEN ■Size (approx.): W270 × D230 × H150mm ■Weight (approx.): 2.7kg (main unit only / excluding antenna) ■Maximum measurement distance: ≧10% 158m / ≧60% over 300m ■Distance measurement accuracy: ≧10% ±15mm / ≧60% ±5mm ■Emission rate: 60,000Hz ■Field of view angle: 90° (±45°) ■Echo switching: 1st&Last / 4echo ■Scan speed: 30 scans/second ■Laser wavelength: 532±1nm ■Beam divergence angle: 1.5mrad <INS Specs> ■Position accuracy: 5mm ■Heading: 0.03° ■Pitch/Roll: 0.006° ■Speed: 0.01m/second
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Applications/Examples of results
The TDOT series is optimized for drone laser surveying. The INS of the TODT series is equipped with specifications that enable high-precision measurements of several tens of millimeters while emitting laser light tens of thousands of times per second. Main applications: ■ River channel surveying ■ Coastal area surveying ■ Construction DX ■ Understanding the current situation in disaster-stricken areas and disaster assessment ■ Slope disaster prevention consulting ■ Alternative work for aerial laser ALB ■ Infrastructure surveys in mountainous areas ■ Archaeological surveys and more.
Detailed information
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A lightweight green laser system that is less prone to water absorption and capable of underwater surveying. It can be used for surveying in mountainous areas, river regions, and coastal areas. Typical drone laser surveying uses near-infrared laser light. While near-infrared is inexpensive and easy to handle, it is easily absorbed by water and has a low reflectivity on black objects, which can result in a lack of surface data depending on the ground conditions, as well as underwater terrain. The TDOT 3 GREEN uses green laser light, which has a wavelength that overcomes the weaknesses of near-infrared. Like near-infrared, it can also be used for land surveying, allowing the TDOT 3 GREEN to perform both terrestrial and underwater terrain surveys with just one unit.
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Company information
Amuse One Self was established in 2011 and independently develops hardware and software related to 3D measurement necessary for ICRT (Information and Communication Technology + Information and Robot Technology). In particular, since successfully commercializing Japan's first drone-mounted laser scanner in 2013, the company has been engaged in extensive research and development on the use of industrial drones, including providing cloud solutions for high precision in i-Construction and immediate surveying on-site. In recent years, it has also focused on establishing technologies for the safe operation of drones and accident prevention from both hardware design and education perspectives.
