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We have applied the frequency-modulation (FM) technique in the 1.5 μm wavelength region to observe saturated absorption in ammonia in hollow-core photonic bandgap fibers (HC-PBFs). Previously blended lines have been resolved.
We demonstrate the observation of saturated absorption in several molecules in HC-PBFs. Characteristics of these molecular reference lines are discussed and the locking of fiber lasers to the molecular absorption lines is demonstrated.
We demonstrate the observation of saturated absorption in several molecules in HC-PBFs. Characteristics of these molecular reference lines are discussed and the locking of fiber lasers to the molecular absorption lines is demonstrated.
We have applied the frequency-modulation (FM) technique in the 1.5 μm wavelength region to observe saturated absorption in ammonia in hollow-core photonic bandgap fibers (HC-PBFs). Previously blended lines have been resolved.
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