Fiber optic oxygen sensors for high-temperature smelter applications
Advanced fiber optic oxygen sensors designed for high-temperature smelter environments, leveraging sulfur-stable materials and self-powered operation for reliable O2 monitoring from 400-1000C.
Overview
Fiber optic oxygen sensors are an innovative solution for monitoring oxygen levels in extreme environments, such as smelters. These sensors are specifically designed to operate effectively at high temperatures ranging from 400-1000°C, making them ideal for metallurgical processing applications. By using sulfur-stable fiber optic probe materials, these sensors offer selective oxygen sensing capabilities, crucial for environments contaminated with sulfur, which is common in smelter operations. Additionally, the technology features self-powered operation through thermal energy harvesting, eliminating the need for an external active light source and enhancing reliability.
Technical specifications
Key features:
- Operates effectively at temperatures between 400-1000°C
- Utilizes high-temperature stable fiber optic materials such as silica and sapphire
- Employs engineered sensing layers with O2 selectivity
- Compatible with sulfur-rich environments, ensuring stability and accuracy
- Self-powered through thermal energy harvesting, reducing operational complexity
These sensors are constructed using advanced manufacturing techniques like laser heated pedestal growth, ensuring high precision and durability.
Technology readiness level
The technology has reached TRL 4, indicating that it has been validated in laboratory environments that simulate the intended operational conditions. Future validation plans include further testing in lab settings with sulfur-rich gas streams and eventual testing in collaboration with industry partners to ensure stability and functionality in real-world smelter environments.
About University of Pittsburgh
The University of Pittsburgh is a large, comprehensive public research university anchored in an urban innovation corridor with a strong translational focus. Integration with UPMC, a leading academic medical center, enables clinical studies, access to broad patient populations, and co-located clinical–engineering labs that shorten paths from discovery to deployment. A nearby research and technology district, extensive core facilities, and an engineering co-op program give companies entry points for prototyping and talent pipelines. Research is supported by competitive federal funding from agencies such as NIH, NSF, DoD, and DOE. A dedicated technology transfer office provides IP strategy, licensing, startup support, and contracting for industry partners.
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