Test and Measurement Optical Equipments Section

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What is Optical Thickness Guage?

This page covers optical thickness gauge basics used for optical thickness measurement.It mentions features of optical thickness guage from reputed vendors/manufacturers. Other vendors of optical thickness guage are also mentioned.

Definition: The device or equipment used for optical thickness measurement is known as optical thickness guage.

Features of Optical Thickness Guage


optical thickness guage

Following table mention silent features of Optical Thickness Guage 157 series from Bristol Instruments. It has reliable accuracy and long term repeatability. It uses non-contact based optical interferometry for optical thickness measurement.


Specifications Optical Thickness Guage
Accuracy +/- 0.1 µm
Repeatability +/- 0.02 µm
range of measurement 25 µm to 16 mm
Probe distance working distance of 50 mm and angular tolerance of 2 degrees
rate of measurement 20Hz

Other Optical Thickness Guage Vendors

Following are the popular Optical Thickness Guage:
•  NDC technologies-Model T100
•  FIBERPRO, Inc. , TM5000 optical thickness measurement system
•  Thermo Fisher Scientific Inc. , Laser TX thickness guage
•  Cygnus Instruments- Ultrasonic thickness guages
•  Hamamatsu Photonics K.K.
•  Bristol Instruments



Other optical test and measurement equipments

Optical Spectrum Analyzer
Optical Time Domain Reflectometer
Optical Wavelength Meter
Optical Wavelength Meter
Optical Wavelength Meter
Optical Wavelength Meter




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