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OptiSurf® LTM-Brochure

High-precision center thickness measurement of single lenses and doublets

Application Report

OptiSurf® LTM-Increases Production Efficiency at Pfeiffer Präzisionsoptik

TRIOPTICS‘ Solution for Non-contact Lens Center Thickness Measurement Significantly Reduces Reject Volume

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Non-contact lens center thickness measurement increases throughput

OptiSurf® LTM

High precision center thickness and sag value measurement of single lenses and doublets

In optics production, the high quality of the single lens is the prerequisite for high-precision optical systems. With the OptiSurf® LTM (Lens Thickness Measurement), TRIOPTICS offers a precise center thickness measurement system for single lenses and doublets that seamlessly integrates into any production process. The high precision low-coherence interferometry is based on the established OptiSurf® technology and measures single lenses and doubles with a glass thickness of up to 150 mm with a precision of ±0,5 µm. The non-contact measurement system is gentle on sensitive surfaces and coatings. In addition to the center thickness, the sag value can also be determined.

The optimization for use in production is particularly evident in its simple and stable handling. The OptiSurf® LTM is equipped with vibration damping and a self-centering mechanical clamping chuck. Two clamping chucks are available to choose from depending on the sample size (standard: 8 mm … 200 mm, micro: 1 mm … 30 mm). This eliminates any adjustment of the sample and the measuring process can be carried out safely, quickly and independently of the operator.

Simple operation is ensured by an integrated touch screen. For a straightforward data input a database can be called up via a network connection. The customer-specific connection of a barcode scanner is possible.

Application_OptiSurfLTM

Applications

OptiSurf® LTM allow the measurement of:

OptiSurfLTM Anwendungen
OptiSurfLTM
OptiSurfLTM Anwendungen
OptiSurfLTM Anwendungen

Center thickness of lenses

Center thickness of single lenses on an arbor

Overall thickness of doublets and individual thickness of the cemented lenses.

Sag value of concave lens surfaces

Software

OptiSurf® LTM Software

Simple handling – fast results

Just like the remaining design of OptiSurf® LTM, the software is also optimized for the quick measurement of single lenses as needed for smooth daily usage in optical workshops. The measurement settings are easy to configure and the results are presented in a way that is simple to understand. In addition, a pass/fail analysis of the measurement result is performed.

  • Thanks to the easy-to-follow structure of the user interface, the measurement process is goal-oriented and the results are shown in a way that is easy to understand

  • Automatic surface identification for fast and precise measurements

  • Direct quality analysis by means of pass/fail display as well as statistical analysis of measurement results

  • Direct embedding of the system in your processes, ensuring fast and error-proof data processing: The lens design can be entered directly from Zemax or via the OptiCentric® interface or via the practical Design Editor

Technical Data

ParameterOptiSurf® LTM
Max. diameter of the lens100 mm
Glass thickness0.05 mm … 50 mm, can be expanded to 150 mm
Accuracy of center thickness measurement (geometric thickness)± 0.5 µm
Dimensions
(h x w x d)
390 mm x 504 mm x 504 mm
Weight30 kg
Typetable top device
Download Technical Data
Request OptiSurf® LTM

Upgrades & Accessories

Various sample holders are available to increase modularity.

Standardaufnahme für Prüflinge mit einem Durchmesser OptiSurf LTM

Standard holder for samples with a diameter of 8 mm … 200 mm

Standardaufnahme für Prüflinge mit einem Durchmesser OptiSurf LTM

Micro holder for test samples with a diameter of 1 mm … 30 mm

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