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Tunable single-longitudinal-mode ErYb:glass laser locked by a bulk glass Bragg grating
Björn Jacobsson1, Valdas Pasiskevicius, Fredrik Laurell
1Laser Physics, KTH-Royal Institute of Technology, Sweden. bj@laserphysics.kth.se
Abstract:
A single-longitudinal-mode ErYb:glass laser with a linewidth of 90 kHz is demonstrated by locking the laser wavelength to 1552.6 nm with a bulk glass Bragg grating. Using a piezoelectric actuator, the wavelength could be tuned over a range of 0.25 nm (31 GHz) in steps of 17 pm (2.1 GHz), with an output power of a few milliwatts.
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