Infrared structure light projector design for 3D sensing
| Autor: | Chang Chih-Sheng, Bo-Han Lyu, Meng-Ko Tsai |
|---|---|
| Rok vydání: | 2018 |
| Předmět: |
Diffraction
Materials science Infrared business.industry Physics::Optics 02 engineering and technology Impulse (physics) 021001 nanoscience & nanotechnology Laser 01 natural sciences Collimated light law.invention 010309 optics Semiconductor Optics Projector law 0103 physical sciences 0210 nano-technology business Structured light |
| Zdroj: | Optical Design and Engineering VII. |
| DOI: | 10.1117/12.2313046 |
| Popis: | In mobile devices, 3D Sensing is one of the latest functions. This can be achieved by Time-of-Flight (ToF) method or structured light method. Infrared structure light projector is composed of a laser light source, a collimated lens and a diffractive optics element (DOE). The light sources can be divided into two common types: the Edge Emitting Laser (EEL) or the Patterned Vertical Cavity Semiconductor Emission Laser Array (patterned-VCSEL array). In this paper, we will compare these two optical structures, EEL with high density dots pattern and patterned-VCSEL array with several impulse dots. |
| Databáze: | OpenAIRE |
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