25 February 2004 Technology trimming of a resonant multilayer laser polarizer
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Polarization filtering in a laser mirror is achieved by means of a corrugation grating defined in the last high index layer of multilayer mirror based on a metal or metallized substrate. The grating couples the undesired TE polarization to a high order propagation mode of the metal based multilayer stack. The resulting dip in the TE spectral reflection curve is wide enough to cover the gain bandwidth of a Nd:YAG active medium. A technology trimming scheme is designed and demonstrated to shift the TE reflection dip to 1064 nm.
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Marwan Abdou Ahmed, Marwan Abdou Ahmed, Jean Claude Pommier, Jean Claude Pommier, Florent Pigeon, Florent Pigeon, Stephanie Reynaud, Stephanie Reynaud, Youcef Ouerdane, Youcef Ouerdane, "Technology trimming of a resonant multilayer laser polarizer", Proc. SPIE 5250, Advances in Optical Thin Films, (25 February 2004); doi: 10.1117/12.513691; https://doi.org/10.1117/12.513691

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