Bristol Instruments offers a variety of optical probes to support a wide range of sample types for different thickness measurement applications. The optical probe used with the Thickness Gauge products directs light to, and collects reflections from, the material under test.
QAP Quick Align Camera Probe

For R&D, quality control, and pre-production applications
Proper alignment of the optical probe is critical but may be challenging for some applications. Therefore, Bristol Instruments provides an optical probe that includes a built-in visual aid that simplifies the alignment process.
The Quick Align Camera Probe uses an integrated camera to locate the optical signal reflected from the material under test. The system’s software displays the camera image to show the relative positions of the reflected signal and the target. With this visual feedback, it is easy to make the appropriate adjustments to perfectly align the optical probe.

P Optical Probe

For integration into custom fixtures used in production applications
This optical probe is the same as the Quick Align Camera Probe, but without the integrated camera. Alignment is achieved and optimized using the optical reflection signal that is displayed by the system’s software.
LP “Pencil” Optical Probe

For applications with space limitations
This optical probe has a smaller diameter (< 0.75”) for use in tight spaces. It also allows multiple probes to be placed very close to each other. Alignment is achieved and optimized using the optical reflection signal that is displayed by the system’s software.