Spectral Linewidth Narrowing of two Broad Area Blue Laser Diode (445nm) with a Common External Cavity

Parashu Nyaupane; Patrick L Likamwa; Yehuda Braiman; Yehuda Braiman

doi:10.1364/CLEO_AT.2021.AF2R.4

Conference on Lasers and Electro-Optics
OSA Technical Digest (Optica Publishing Group, 2021),
paper AF2R.4
•https://doi.org/10.1364/CLEO_AT.2021.AF2R.4

Spectral Linewidth Narrowing of two Broad Area Blue Laser Diode (445nm) with a Common External Cavity

Parashu Nyaupane, Patrick L Likamwa, and Yehuda Braiman

CLEO: Applications and Technology 2021

San Jose, California United States
9–14 May 2021
ISBN: 978-1-943580-91-0

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Visible Lasers and Integrated Technology (AF2R)

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P. Nyaupane, P. L. Likamwa, and Y. Braiman, "Spectral Linewidth Narrowing of two Broad Area Blue Laser Diode (445nm) with a Common External Cavity," in Conference on Lasers and Electro-Optics, J. Kang, S. Tomasulo, I. Ilev, D. Müller, N. Litchinitser, S. Polyakov, V. Podolskiy, J. Nunn, C. Dorrer, T. Fortier, Q. Gan, and C. Saraceno, eds., OSA Technical Digest (Optica Publishing Group, 2021), paper AF2R.4.

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Abstract

Two high-power, watt-level broad area laser diodes (BALD) were simultaneously locked into a common external cavity made using a surface grating in Littrow configuration and the spectral linewidth of the combined laser beam was narrowed down from over a nm to 15 pm (FWHM).

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