Hydrogen leak detection and monitoring system using special optical fiber sensors. For the entire process from hydrogen production and storage to operation!
Hydrogen, one of the next-generation energy candidates, has many advantages as a clean energy source that does not emit CO2 during use. However, due to its flammable concentration in the air being 4% and its lower ignition energy compared to gasoline and natural gas, it requires specific safety management throughout the processes of production, supply, and operation. Adequate ventilation and leak detection are essential safety requirements. This system is a dedicated sensing system product specialized for hydrogen leak detection and monitoring, utilizing a patented special optical fiber sensor from UFS ARK in the U.S. (As of April 2026, the product status is still in the prototype stage with development elements remaining, and a commercial product announcement is planned within the year.) The advantages of the optical fiber sensor, such as long-distance and wide-area deployment, electromagnetic field resistance, and inherent explosion-proof properties, can be maintained while also allowing for the installation of sensors for detecting other parameters like strain, temperature, and vibration on the same fiber line. [About UFS ARK, Inc.] UFS ARK is a joint venture between the Dutch UFS and the American OgMentum, headquartered at West Kentucky University in Kentucky, USA, with R&D and manufacturing facilities. It started operations in December 2025. In the Japanese market, our company will act as the domestic representative, initiating sales activities and proposing solutions to customers.
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basic information
【Sensor Standalone Specifications】*These are provisional specifications as they are under development. There may be changes in the future for performance improvements. 1. Sensitivity: 50 – 150 pm/vol% H2 2. Response time: < 3 seconds 3. Minimum detection level: 0.1 vol% H2 4. Detection range in air: 0.1 – 4 vol% 5. Operating temperature range: -40 – +60 ℃ 6. Dimensions, weight: 80 mm x 60 mm x 8 mm, 100 g 7. Housing material: Aluminum
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Applications/Examples of results
Target applications (under development): Industrial facilities such as hydrogen production and storage plants, and supply stations. *As of April 2026, pilot tests and long-term reliability tests are ongoing at hydrogen plants and other facilities for multiple customers and research institutions in Europe and the United States.
Company information
Our company started as a trading firm specializing in optical communication devices and subsystems based on optical and electronic application technologies, and we are now a VAR and integrator with fiber optic sensing systems as our core business. Our business field spans a wide range of industries, from infrastructure and aerospace to automotive, medical, and consumer sectors. The name "First Light" derives from "dawn" and "first observed light" (as in astronomical telescopes), and we are committed to delivering excellent technologies and products with "light" as a keyword to the market as quickly as possible. Our core competencies lie in electronic circuits and measurement, as well as optical communication and measurement technologies. We are expanding our business areas, including software development and sensing data analysis, in collaboration with partner companies, allowing us to flexibly respond to customer needs. Utilizing our network of over 40 advanced technology companies, primarily in Europe and the United States, we serve as a one-stop shop that covers not only product sales but also system construction proposals, consultations, and contract testing and evaluation services for optical devices. Our important mission is to solve customer challenges and contribute to society through our business. 【Contact and request for materials: sales@firstlight-inc.com】
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