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Experimental study demonstrates continuous 32-nm wavelength tuning without mode hopping in a single-frequency Bragg grating fiber laser, highlighting stable broadband single-frequency operation.
Compressive stress has been used to continuously wavelength tune a single-frequency Bragg grating fiber laser over 32 nm without mode hopping. A master-oscillator/power-amplifier configuration and active noise reduction were implemented to maintain a constant, low-noise, 3-mW lasing power over the tuning range.
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Ball et al. (1994) studied this question.
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