In this paper, Rigorous Coupled Wave analysis is used to numerically evaluate the influence of emitter width, emitter pitch and focal length of transform lens on diffraction efficiency of the grating and spectral bandwidth. To assess the chance of catastrophic optical mirror damage (COMD), the optical power in the internal cavity of a free running emitter and the optical power in the grating external cavity of a wavelength locked emitter are theoretically analyzed. Advantages and disadvantages of spectral beam combination are concluded. |
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CITATIONS
Cited by 1 scholarly publication.
Semiconductor lasers
Diffraction gratings
Diffraction
Reflectivity
Mirrors
Electro optics
Beam shaping