Concept
Sequoia Scientific LISST Holo 2 Digital Holographic Particle Imaging System
| URI | http://vocab.nerc.ac.uk/collection/L22/current/TOOL1585/ |
|---|---|
| Within Vocab | SeaVoX Device Catalogue |
| Preferred Label | Sequoia Scientific LISST Holo 2 Digital Holographic Particle Imaging System |
| Definition | Submersible Digital Holographic Particle Imaging System for measurement of large, complex flocs, plankton, and other particles in water. It takes images at very short shutter times, scanning for a relatively large volume. The LISST-HOLO contains a red (658nm) laser that emits collimated light into the sample volume. The light is scattered by suspended particles. The scattered light then interferes with the unscattered portion of the beam. The resulting interference pattern is captured by an onboard camera. The image captured by the camera is known as a hologram. The hologram can be digitally reconstructed to produce an in-focus picture of all the particles in the sample volume. Information about the particles size, shape, and position can all be extracted from the hologram. Holograms are captured at 20Hz. The system has 237 GB of data memory. |
| Broader |
L05:
in-situ particle sizers |
| Related |
B75:
Sequoia Scientific Incorporated L35: Sequoia Scientific |
| Note | accepted |
| Deprecated | false |
| Alternative Label | LISST-Holo2 |
| Version | 2 |
| Has Current Version | http://vocab.nerc.ac.uk/collection/L22/current/TOOL1585/2/ |
| Authored On | 2021-01-26 14:35:01 |
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