Which materials can be inspected?

Typical inspection targets include plastic parts, molded resin, glass, transparent films, lenses, optical components and other materials that show stress patterns under polarized light.

Can large and small samples be inspected?

Yes. A large light stage is suitable for larger samples, while compact micro strain viewers are useful for small parts and localized strain observation.

Visual Inspection Devices

Q: What is a polariscope strain viewer used for?

A polariscope strain viewer is used to observe internal strain, residual stress and birefringence patterns in transparent or translucent materials such as plastic, glass and molded components.

Polariscope strain viewers for residual stress and birefringence observation

Mecan visual inspection devices help reveal internal strain, residual stress and optical birefringence in transparent and translucent materials. These tools are useful for inspecting molded plastic parts, glass, lenses, films and other optical or industrial components.

Using polarized light, strain viewers make stress patterns visible as color or brightness differences, supporting quality control, material evaluation and visual confirmation of manufacturing conditions.

Polariscope Strain Inspection Residual Stress Plastic / Glass Quality Control

Visual inspection devices for strain inspection and polarized light observation

Overview Product Lineup Applications

Visual Inspection for Strain, Stress and Optical Distortion

Observe residual stress and strain patterns in transparent materials.
Useful for plastic molded parts, glass, films, lenses and optical components.
Polarized light helps visualize birefringence that is difficult to see by normal inspection.
Supports quality control, process checks and material evaluation.

Large-stage models are suitable for larger objects and sheet materials.
Compact viewers are useful for small parts and localized strain observation.
Simple visual inspection workflow without complex measurement setup.
Helpful for identifying stress concentration, distortion and molding-related defects.

Visual Inspection Product Lineup

Polariscope Strain Viewer

A polarized-light inspection device for observing strain, residual stress and birefringence patterns in transparent materials. The large observation area is useful for checking molded plastic parts, glass plates, films and other larger samples.

View Polariscope

Need Help Selecting a Viewer?

The suitable inspection setup depends on the sample size, material transparency, required observation area and whether you need simple visual confirmation or more detailed strain comparison. Please contact us with your sample details.

Typical Applications

Plastic Molded Parts

Check residual stress and strain patterns caused by molding, cooling, pressure or mechanical processing.

Glass and Transparent Plates

Observe stress distribution, optical distortion and internal strain in glass and transparent sheet materials.

Optical Components

Inspect lenses, filters, films and transparent optical parts where birefringence may affect performance.

Quality Control

Use polarized-light observation as a simple visual check during production, incoming inspection or troubleshooting.

Note: Polariscope observation is a visual inspection method. Actual visibility depends on sample material, thickness, transparency, optical setup and stress condition.

Related Product

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