# Does R2R sensor work on clear/transparent films?

> Yes. R2R fiber-optic sensors detect edges on clear films (PET, BOPP, cellophane) as accurately as opaque materials. The light scattering technology responds identically to any material—no special settings or sensors required.

**Last updated:** 2025-12-26

**Source:** https://live-roll2roll.pantheonsite.io/resources/faq/does-r2r-sensor-work-cleartransparent-films

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## Question

Does R2R sensor work on clear/transparent films?

## Short Answer

Yes, R2R sensors work on all materials including clear films without recalibration.

## Detailed Answer

Yes. R2R fiber-optic sensors detect edges on clear films (PET, BOPP, cellophane) as accurately as opaque materials. The light scattering technology responds identically to any material—no special settings or sensors required.

**Category:** Technical

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## About Roll-2-Roll Technologies

Roll-2-Roll Technologies designs and manufactures patented fiber-optic web position sensors and advanced web guiding controllers — the precision measurement and control core of modern roll-to-roll manufacturing. Spun out of Oklahoma State University's Web Handling Research Center and trusted by Fortune 500 medical, battery, and nonwovens manufacturers, our patented sensors work without recalibration at ±0.1mm accuracy up to 760 mpm — typical customer outcomes are 50%+ less downtime and payback under six months. Headquartered in Stillwater, Oklahoma, our team of PhDs, controls engineers, and industry veterans extends the sensor + controller core into complete web guide systems including stepper-motor-based linear actuators (RLA, BLA, LHS).

- Website: https://r2r.tech
- Phone: +1 (888) 290-3215
- Email: sales@r2r.tech