# Flexible multicolor biaxial sensor for strain direction identification based on sandwich-structured mechanoluminescent materials

> Research article (Optics Express, 2023) · cited 10× · AI/ML

**Wikidata**: [openalex:W4386862042](https://www.wikidata.org/wiki/openalex:W4386862042)  
**Source**: https://4ort.xyz/entity/flexible-multicolor-biaxial-sensor-for-strain-direction-identification-based-on-sandwich-structured-mechanoluminescent-m