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LongPath Technologies Raises $22M in Series A

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BOULDER, Colo., Dec. 12, 2022 — LongPath Technologies, a Colorado-based company that uses long-range frequency comb laser sources to provide scalable continuous monitoring of methane gas emissions, has raised $22 million in series A funding. The company expects to use the funding to scale up deployments across existing and new customers and markets, and further develop its technology platform for use across broader energy and industrial infrastructure. These include the oil and gas, waste management, mining, and urban monitoring sectors. 

The dual-frequency comb technology used in LongPath’s system measures trace gas absorption over arrays of beam paths exceeding 2.5 miles, without the need for calibration and strong interference rejection over the beam paths. Time-resolved trace gas concentrations are determined from fits to the absorption spectra with parts per billion-kilometer sensitivity and stability. A coupled atmospheric transport model and inversion algorithm deliver time-resolved emission rates for each monitored location, in real time. 

The funding round was led by private equity firm White Deer. Energy sector companies ProFrac and Williams, with Buff Gold Ventures — an investment firm focused on deep tech coming out of the University of Colorado — participated in the round. 


Published: December 2022
BusinessImagingLasersSensors & DetectorsmethanegasfundingSeries ALongPath Technologiesenergyoilnatural gasUniversity of ColoradoWhite DeerBuff Gold VenturesProFracWilliams CompaniesAmericas

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