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Optical Probes

Product catalog summary

Overview: The document provides detailed technical specifications and features of optical probes manufactured by Precitec Optronik, specifically the CHRocodile series. These probes are designed for non-contact distance and thickness measurements using interferometric and chromatic confocal principles.

Specifications:

Measuring Principle: Interferometric and chromatic confocal.
Applications: Thickness and distance measurement.
Measuring Range: Varies depending on the CHRocodile sensor, from a few microns to several millimeters.
Resolution: High axial resolution, with specific values depending on the model (e.g., 10 nm for certain models).
Spot Diameter: Ranges from 9 µm to 50 µm depending on the model.
Lateral Resolution: Ranges from 0.7 µm to 25 µm.
Numerical Aperture: Varies from 0.045 to 0.7.
Measurement Angle: Typically 90° with a tolerance range depending on the model.
Dimensions and Weight: Vary significantly across models, indicating different sizes and compactness.

Advantages:

Precise measurements independent of surface type.
High axial resolution suitable for complex structures.
Effective on highly tilted, reflective, and dispersive surfaces.
Robust and compact design, available in vacuum versions.

Performance: The CHRocodile sensors offer a superior dynamic range and excellent signal-to-noise ratio, enabling reliable measurements on challenging samples with varying reflective properties.

Additional Notes:

Working distance can vary by several millimeters in interferometric measurements.
Using an LED sensor can decrease the measuring range of chromatic probes by up to 10%.

Catalog excerpts

OPTICAL PROBES CHRocodile unit The given data was generated for a typical application and may be different given other circumstances. Furthermore misprints, changes and/or innovations may lead to differences in the listed measurements, technical data and features. Therefore all information is non-binding and technical data, measurements as well as features are not guaranteed by information in this product information. July 2017 11 bottom of optical probe to middle of measuring range | 2) decreasing accuracy on the limits PRECITEC THE SMART WAY TO MEASURE PRECITEC OPTRONIK | Internet: www.precitec.com | www.chrocodile.com

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The optical probes for non-contact distance and thickness measurements have a wide measuring range: from a few microns to several millimeters. ADVANTAGES: ■ precise measurements independent of the surface type ■ high axial resolution for the measurement of complex structures ■ measurements also on highly tilted, reflective and dispersive surfaces ■ small spot diameter ■ robust and compact design All probes are available in a vacuum version. For every application the perfect optical probe! RELIABLY FAST MEASUREMENTS ON CHALLENGING SAMPLES The superior dynamic range and outstanding signal-to-noise...

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All PRECITEC OPTRONIK catalogs and technical brochures

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