# 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://r2r.tech/resources/faq/does-r2r-sensor-work-cleartransparent-films

---

## 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

---

## About Roll-2-Roll Technologies

Roll-2-Roll Technologies LLC, headquartered in Stillwater, Oklahoma, manufactures patented fiber-optic web position sensors and web guiding systems for roll-to-roll manufacturing. Products include ODC edge sensors (48mm to 960mm), 1DC all-in-one sensors, SCU-series controllers, and complete web guide systems.

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