Swept-wavelength mid-infrared fiber laser for real-time ammonia gas sensing
R. I. Woodward,
M. R. Majewski,
D. D. Hudson
et al.
Abstract:The mid-infrared (mid-IR) spectral region holds great promise for new laser-based sensing technologies, based on measuring strong mid-IR molecular absorption features. Practical applications have been limited to date, however, by current low-brightness broadband mid-IR light sources and slow acquisition-time detection systems. Here, we report a new approach by developing a swept-wavelength mid-infrared fiber laser, exploiting the broad emission of dysprosium and using an acousto-optic tunable filter to achieve… Show more
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