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3D Scans: Tracking the Ocean Floor

For Projects Beyond Borders - 3D Scans: Tracking the Ocean Floor



Tracking the Ocean Floor

Impenetrable darkness prevails on the ocean floor. Yet even here, researchers can detect the smallest details. LASER COMPONENTS supplies the appropriate laser modules for this unusual location.

3D Subsea Scan 3D Subsea Scan

How do you repair an underwater pipeline at a depth of several thousand meters? How do you explore a wreck on the ocean floor? For humans, this is only possible in special pressure capsules. And even then, nothing can be seen without technical aids. Even high-energy violet light only penetrates to depths of up to 430 meters. After that, we are in total darkness. These are not good conditions for underwater research!

3D images from a depth of 3,000 meters

Robots, on the other hand, can be designed to function without limitations even at depths of 3,000 meters. But how do they recognize what they are supposed to do? The Canadian manufacturer Kraken Robotics provides a remedy with its SeaVision 3D laser imaging system. Three particularly powerful laser modules from LASER COMPONENTS – one red, one blue, and one green – scan the environment with lines thinner than a human hair. At the customer’s request, we adapted their output power to the light conditions of the deep sea. The reflections captured by special deep-sea cameras are then assembled in the computer into detailed 3D models. From short distances, a resolution of 0.1 mm can be achieved, allowing even the finest damage to underwater structures to be detected.

Deep-sea explorers do not even get their feet wet

Kraken Robotics has developed this system primarily for use with remote-controlled miniature submarines. The control personnel sit comfortably on dry land and steer the underwater drone to the site of operation »classically« with a spotlight and camera. This is where things get exciting because even though the scanning process only takes four seconds, the submarine and the object under investigation must remain absolutely still for this short period of time. It is a good thing that the designers have thought things through: They immediately integrated an algorithm that detects the movements of the vehicle and adjusts the measurement results accordingly.

SeaVision has already proven its worth in many projects – be it in the maintenance of pipelines, the search for sunken ships, or when it comes to monitoring the growth of corals.

FLEXPOINT<sup>&reg;</sup> Laser Diode Module MVnano FLEXPOINT<sup>&reg;</sup> Laser Diode Module MVnano
0.1 mm resolution under water? No problem for FLEXPOINT MVnano!

Deep within the mountains

Beyond Borders

Gotthard Tunnel Gotthard Tunnel

One of the most spectacular projects using FLEXPOINT® cross-hair laser modules is up to 2,300 meters below the main ridge of the Alps. To enable maintenance work to be carried out in the 57-km long tubes of the Gotthard Base Tunnel, the supply of fresh air must be ensured in the respective tunnel sections. For this purpose, special trains with “mobile maintenance gates” travel to clearly defined track locations where the tube is then sealed.

To ensure that the 8-meter gates fit perfectly and that the valuable breathing air is not lost, every centimeter counts. The 55-ton, 22-meter-long rail vehicles must be precisely aligned in the direction of travel and height so that the gate fits perfectly. To do this, the laser module projects a green cross onto the tunnel wall, where a permanently installed marker is located. If the two are congruent, the vehicle has reached the desired position and the gate sits perfectly. Workers can then enter the track section through a door embedded in the gate.

Huge blade


Jet Engine Jet Engine

The gap between the end of the turbine blades and the casing is considered the main cause of inefficiency, unreliability, and noise in aircraft engines. Here, every millimeter counts. With the GapGun, even the slightest deviations can be detected in seconds. For its handheld measuring device, the manufacturer Third Dimension uses the compact all-rounder laser module FLEXPOINT® MVnano, which can also be integrated into small devices (e.g., in the variation with separate optical and electronic elements). For customers for which space is at a premium, we can supply just the laser and dispense with the control electronics altogether.

The eyes of industry 4.0

Beyond Borders

Smart Factory Industrial Machine Robot in Assembly Line Smart Factory Industrial Machine Robot in Assembly Line

Machine vision (MV) systems are taking over the role of visual organs in Industry 4.0. This has decisively changed the world of line lasers because for MV to work precisely, the light must be evenly distributed across the entire line.

Our FLEXPOINT® MV line lasers achieve this homogeneity with Powell lenses from our own company group. For use in Industry 4.0, this means optimal results in triangulation. For example, the machines can perform quality checks for electronic components faster and more precisely than a human ever could.

Splash protectionin the cake factory

Beyond Borders

Black Forest Cake Black Forest Cake

In the cake factory, laser lines indicate where the knives need to be positioned so that all pieces are cut the same size and that no guest is disadvantaged at the coffee table. For this purpose, large confectioners like to use the compact, cost-effective ILM12IP laser module.

Its stainless-steel housing is not only robust but also waterproof according to protection class IP67. It must be waterproof because to meet the hygiene standards of the food industry, the machines are regularly hosed down and cleaned.

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You have questions or need our support?
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Jochen Maier
Head of Business Unit Opto Systems
Jochen Maier
82140 Olching
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