The MCPB323-940 collimator metalens employs cutting-edge metasurface and semiconductor lithography technologies to deliver a range of key performance advantages, utilizing silicon materials and Schott glass substrates as its foundation.
Metasurface technology enables greater design flexibility, redefines traditional lens products, and allows for optimized designs tailored to specific spot distribution requirements through advanced free-form surface solutions. The metalens is remarkably compact, contributing to a more streamlined and space-efficient integration of the lens and light source.
With the precision of the semiconductor lithography process, the product achieves exceptional consistency in performance. Additionally, it offers high thermal stability and is capable of withstanding reflow soldering, significantly simplifying subsequent assembly processes.
| Device Parameters | |
|---|---|
| Model | MCPB323-940 |
| Materials | Si, SiO2 |
| Length and width | 2.8mm×2.8mm |
| Thickness | 0.775mm |
| Active Area Diameter | 2mm |
| Back Focal Length | 3.975mm |
| Efficiency | 73% |
| 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 MCPC323-940 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 | 0.17˚ |
| The distance from the light source to the metalens | 3.975mm |
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