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Diffraction of digital micromirror device gratings and its effect on properties of tunable fiber lasers |
Applied Optics, Vol. 51, Issue 30, pp. 7214-7220 (2012)
http://dx.doi.org/10.1364/AO.51.007214
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Abstract
A digital micromirror device (DMD) is a kind of widely used spatial light modulator. We apply DMD as wavelength selector in tunable fiber lasers. Based on the two-dimensional diffraction theory, the diffraction of DMD and its effect on properties of fiber laser parameters are analyzed in detail. The theoretical results show that the diffraction efficiency is strongly dependent upon the angle of incident light and the pixel spacing of DMD. Compared with the other models of DMDs, the 0.55Â in. DMD grating is an approximate blazed state in our configuration, which makes most of the diffracted radiation concentrated into one order. It is therefore a better choice to improve the stability and reliability of tunable fiber laser systems.
© 2012 Optical Society of America
OCIS Codes
(050.1950) Diffraction and gratings : Diffraction gratings
(060.3510) Fiber optics and optical communications : Lasers, fiber
ToC Category:
Fiber Optics and Optical Communications
History
Original Manuscript: April 24, 2012
Revised Manuscript: September 8, 2012
Manuscript Accepted: September 13, 2012
Published: October 15, 2012
Citation
Xiao Chen, Bin-bin Yan, Fei-jun Song, Yi-quan Wang, Feng Xiao, and Kamal Alameh, "Diffraction of digital micromirror device gratings and its effect on properties of tunable fiber lasers," Appl. Opt. 51, 7214-7220 (2012)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-51-30-7214
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