OPTICAL PRODUCTS
Specialized Optical Components for Advanced Imaging Systems
Mosaic Optoelectronics develops optical components and assemblies used to control image sampling, polarization, birefringence, and other optical behavior before light reaches the sensor or instrument.
PRODUCT FAMILIES
Four Areas of Optical Specialization
Each product family addresses a different optical function, from structuring spatial information before sensor sampling to managing polarization or integrating several optical elements into one assembly.
IMAGE SAMPLING
Optical Anti-Aliasing Filters
Birefringent optical filtering can reduce moiré, false detail, and other sampling artifacts by controlling how spatial information is distributed before it reaches the sensor.
Designs can be developed around pixel pitch, sensor architecture, lens performance, wavelength, magnification, optical geometry, and the desired balance between retained detail and alias suppression.
Explore Optical Anti-Aliasing Filters →POLARIZATION CONTROL
Polarization Optics
Polarization components can help manage glare, reflections, contrast, optical state, and other polarization-dependent behavior within imaging and sensing systems.
Solutions can include retarders, waveplates, and other components used to select, transform, or manage polarization according to the requirements of the optical system.
Explore Polarization Optics →BIREFRINGENT MATERIALS
Crystal Optics
Optical crystals such as quartz and lithium niobate provide useful anisotropic and birefringent properties for specialized optical components.
Component behavior depends on material, crystal orientation, geometry, thickness, wavelength, optical finish, and integration with the larger optical system.
Explore Crystal Optics →OPTICAL INTEGRATION
Custom Optical Assemblies
Some optical requirements are best addressed by combining multiple elements, materials, and optical functions into one integrated assembly.
Assemblies can be developed around optical behavior, mechanical packaging, orientation, spacing, polarization, alignment, and integration with the customer's imaging system.
Explore Custom Optical Assemblies →PRE-SENSOR OPTICAL CONTROL
Different Optical Functions Can Work Together
Image sampling, polarization, birefringence, and mechanical integration are often connected parts of the same optical-system problem.
A single application may require only one optical element, while another may require a multi-element stack that combines controlled beam displacement, polarization transformation, material-specific behavior, and mechanical packaging.
The product family is therefore selected around the optical function that needs to be achieved rather than around a fixed catalog architecture.
OPTICAL FUNCTIONS
Start With the Optical Problem
The correct component depends on what needs to change inside the imaging system. Product selection begins with the required optical function rather than with a catalog part number.
Condition Spatial Information
Redistribute selected spatial information before sensor sampling to reduce moiré, false detail, and other aliasing artifacts.
Manage Polarization
Select or transform polarization to control reflections, contrast, retardance, and polarization-dependent optical behavior.
Use Crystal Properties
Apply birefringence, retardance, and other material properties to produce controlled optical effects.
Integrate Multiple Functions
Combine several optical functions into an assembly designed around the geometry and requirements of the complete system.
HIGH-RESOLUTION IMAGING
Modern Small-Pixel Sensors Require System-Level Optical Evaluation
Smaller pixels raise sensor sampling capability, but pixel pitch alone does not determine whether optical aliasing will occur.
Lens MTF, magnification, aperture, wavelength, focus, scene structure, and sensor geometry determine how much spatial information reaches the sampling grid.
Where meaningful image content extends toward or beyond the sensor's sampling limit, pre-sensor optical conditioning may be useful for reducing false structure while preserving the information the application actually needs.
PRODUCT SELECTION
The Right Optical Component Depends on the Imaging System
Specialized optical components are rarely selected from one parameter alone. Their behavior depends on the complete optical architecture.
Useful design inputs can include sensor characteristics, pixel pitch, wavelength range, lens performance, magnification, polarization state, available optical space, component geometry, desired image behavior, and mechanical constraints.
Understanding those requirements early helps determine whether an existing optical approach is appropriate or whether a custom configuration should be considered.
USEFUL PROJECT INFORMATION
- Sensor model, format, and pixel pitch
- Representative images showing the optical problem
- Operating wavelength or spectral range
- Lens model or available MTF information
- Magnification and working distance
- Available component dimensions and optical-path space
- Polarization requirements, if applicable
- Image artifact or optical behavior being addressed
- Prototype and anticipated quantity requirements
APPLICATION-SPECIFIC OPTICS
When a Standard Component Is Not the Best Fit
Many imaging systems involve geometry, sensor behavior, wavelength, materials, or optical functions that do not map cleanly to a standard catalog component.
Application Requirements
The component is considered in the context of the imaging problem it is intended to solve.
Manufacturable Design
Optical function and manufacturability are considered together so that a practical component can be produced, assembled, and verified.
Direct Technical Discussion
Custom work begins with the available system information and the optical behavior that needs to be achieved.
ADDITIONAL DESIGN CAPABILITY
Anti-Aliasing Can Be Engineered Around the Sensor and Imaging Task
Optical anti-aliasing is not limited to one conventional four-spot architecture. Different sampling problems may benefit from different spatial or sensor-aware optical strategies.
Spatial Low-Pass Filtering
Conventional birefringent filtering can be designed to redistribute image information in controlled directions before sampling.
Customized Point-Spread Functions
Multi-element designs can create application-specific spot patterns and spatial responses beyond simple traditional architectures.
Non-Blurring Color Anti-Aliasing
Proprietary sensor-aware approaches can target color-aliasing behavior in Bayer-pattern and related color-filter-array sensors using principles different from conventional spatial low-pass filtering.
FROM REQUIREMENT TO COMPONENT
Product Development Is Closely Connected to Manufacturing
Optical engineering, material selection, fabrication, assembly, and measurement all influence the final component.
Our Capabilities page explains how these activities fit together when developing specialized optical components and assemblies.
PRODUCT FOCUS
- Optical anti-aliasing filters
- Customized point-spread functions
- Polarization-control components
- Retarders and waveplates
- Birefringent crystal optics
- Custom optical stacks
- Application-specific optical assemblies
NEED A SPECIALIZED OPTICAL COMPONENT?
Start With the Imaging Requirement
Share the optical problem, sensor and pixel pitch, lens, geometry, wavelength, representative images, and performance objectives. We can help determine which product family or optical approach is the best place to begin.