A brand of the CADFEM Group

OPTICS & PHOTONICS

UNLOCKING INNOVATION IN OPTICS AND PHOTONICS WITH ADVANCED CAE SIMULATION

EMPOWERING INNOVATION IN OPTICS AND PHOTONICS THROUGH VIRTUAL SIMULATION

Explore the world of optics and photonics with advanced computer-aided engineering (CAE) simulation. We harness the power of simulation technology to drive innovation and excellence in optical design and photonics research.

Analysis Type

CMOS Image Sensor

Capturing light with precision, transmitting signals through sophisticated multilayer structures.

CMOS (Complementary Metal-Oxide-Semiconductor) technology is prevalent in microprocessors, memory chips, and image sensors. CMOS image sensors contain pixel arrays with photodiodes and electronics for signal amplification and readout. Photodiodes generate electrical charge proportional to light intensity, converted into voltage, and read out from each pixel. Electromagnetic simulation tools like FEM and FDTD predict CMOS image sensor performance by modeling light absorption, photon-electron conversion, and charge transport, considering interactions between fields, thermal effects, and electrical behavior. This aids in thermal analysis, layout/material optimization for light sensitivity, and predicting electrical crosstalk impact on image quality.

Metamaterials are artificial materials designed to exhibit unique properties not found in nature. They consist of periodic or aperiodic arrangements of subwavelength structures, enabling them to manipulate electromagnetic waves in unconventional ways. Simulation of transmission and reflection spectra is crucial for understanding how metamaterials interact with incident electromagnetic waves. This simulation helps identify resonance peaks, transmission bands, and reflection bands, providing valuable insights for designing metamaterial-based devices such as absorbers, filters, and antennas.

Automotive Optical Design Solutions encompass a range of technologies including LIDAR, Smart Lighting, HUD, ADAS, Rendering, and Lens Design. These solutions employ optical design and analysis to control light output, ensuring it meets specific requirements. The process involves conceptual studies, detailed design and development, result analysis, optimization, and final analysis. Optical engineers utilize optics to solve problems and design devices, requiring a deep understanding of optics and practical considerations such as technology, materials, and costs. Computers play a crucial role in their work, aiding in simulation, design, and analysis.

Photonic crystals are periodic nanostructures that control light flow akin to semiconductors with electrons. They consist of alternating high and low refractive index materials, creating a photonic band gap where light propagation is forbidden. Bandstructure analysis calculates the crystal’s band structure, revealing allowed and forbidden frequency ranges. It helps understand photonic band gaps and dispersion relations, characterizing properties like group velocity and phase velocity of guided modes.

Applications

optics
Photonics and Plasmonic Devices
Ansys Lumerical's powerful tools simulate how light moves in waveguides and photonic components, helping engineers design them accurately. It shows how these components behave and lets users optimize them for better performance.
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Optical and Lighting Technologies
Speos simulates the optical performance and evaluates the final illumination effect based on human vision capabilities, which can be deployed in virtual reality for a fully immersive review experience. Speos can simulate and assess camera and lidar raw signals in a driving environment, enabling sensor layout on vehicles and evaluating the impact of design versions on sensor perception at an early stage.
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