Abstract
We investigate the operating modes of diode lasers in the external cavity scheme of spectral beam combining, using the virtual laser-diode array method. We determine the spectral range of the diode array and the watt–ampere characteristics of a single-diode laser for various wavelengths. We experimentally show that by varying the output coupler transmission with the wavelength, one can optimize the generation power of laser diodes in the array and force it to work in different regions of the gain bandwidth of the active medium.
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Derzhavin, S.I., Yakunin, V.P., Grishaev, R.V. et al. Investigation of the Efficiency of Spectral Beam Combining of Laser Diode Array in a Cavity with the Spectrally Selective Output Coupler. J Russ Laser Res 41, 434–440 (2020). https://doi.org/10.1007/s10946-020-09896-4
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DOI: https://doi.org/10.1007/s10946-020-09896-4