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@article{Tawy:2019:10.1364/OE.27.017507,
author = {Tawy, G and Damzen, M},
doi = {10.1364/OE.27.017507},
journal = {Optics Express},
pages = {17507--17520},
title = {Tunable, dual wavelength and self-Q-switched Alexandrite laser using crystal birefringence control},
url = {http://dx.doi.org/10.1364/OE.27.017507},
volume = {27},
year = {2019}
}

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TY  - JOUR
AB  - We present a red-diode-pumped Alexandrite laser with continuous wavelength tunability, dual wavelength and self-Q-switching in an ultra-compact resonator containing only the gain medium. Wavelength tuning is obtained by varying the geometrical path length and birefringence by tilting a Brewster-cut Alexandrite crystal. Two crystals from independent suppliers are used to demonstrate and compare the performance. Wavelength tuning between 750 and 764 nm is demonstrated in the first crystal and between 747 and 768 nm in the second crystal. Stable dual wavelength operation is also obtained in both crystals with wavelength separation determined by the crystal free spectral range. Temperature tuning was also demonstrated to provide finer wavelength tuning at a rate of −0.07 nm K −1. Over a narrow tuning range, stable self-Q-switching is observed with a pulse duration of 660 ns at 135 kHz, which we believe is the highest Q-switched pulse rate in Alexandrite to date. Theoretical modelling is performed showing good agreement with the wavelength tuning and dual wavelength results.
AU  - Tawy,G
AU  - Damzen,M
DO  - 10.1364/OE.27.017507
EP  - 17520
PY  - 2019///
SN  - 1094-4087
SP  - 17507
TI  - Tunable, dual wavelength and self-Q-switched Alexandrite laser using crystal birefringence control
T2  - Optics Express
UR  - http://dx.doi.org/10.1364/OE.27.017507
UR  - http://hdl.handle.net/10044/1/70594
VL  - 27
ER  -

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