The MCPB333-940 collimator metalens leverages advanced metasurface and semiconductor lithography technologies to deliver several key performance advantages, utilizing silicon materials and Schott glass substrates.
Metasurface technology offers greater design flexibility, redefines lens products, and enables tailored optimization based on specific spot distribution requirements through innovative free-form surface designs. The metalens boasts a compact size, allowing for a more integrated and space-saving packaging of the metalens and light source.
Thanks to the precision of the semiconductor lithography process, the product exhibits exceptional consistency. Additionally, it features high thermal stability and is capable of withstanding reflow soldering, significantly simplifying subsequent assembly processes.
| Device Parameters | |
|---|---|
| Model | MCPB333-940 |
| Materials | Si, SiO2 |
| Length and width | 2.8mm×2.8mm |
| Thickness | 0.775mm |
| Active Area Diameter | 0.4mm |
| Back Focal Length | 0.655mm |
| Efficiency | 71% |
| Operating Temperature Range | -40°C~105°C |
| Storage Temperature Range | -40°C~125°C |
A VCSEL light source is used to assess the optical performance of the MCPB333-940 collimator metalens.
The evaluation setup is shown in the figure below：
| Input Light Source | |
|---|---|
| Type | VCSEL |
| Wavelength | 940nm |
| Divergence Angle | 15° |
| Emission Aperture Diameter | 12μ~15μm |
| Number of Emission Apertures | 1 |
| Output light spot | |
|---|---|
| Shape | Consistent with the original light spot |
| Divergence angle | 1.28˚ |
| The distance from the light source to the collimator metalens | 0.655mm |
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