Polarization-independent broadband dielectric bilayer gratings for spectral beam combining system
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- 作者：Linxin Lia ; b ; Quan Liuc ; Junming Chena ; b ; Leilei Wanga ; b ; Yunxia Jina ; yxjin@siom.ac.cn" class="auth_mail" title="E-mail the corresponding author ; Yifeng Yangd ; Jianda Shaoa ; jdshao@siom.ac.cn" class="auth_mail" title="E-mail the corresponding author
- 关键词：Diffraction gratings ; Optical fabrication ; Laser beam combining
- 刊名：Optics Communications
- 出版年：2017
- 出版时间：15 February 2017
- 年：2017
- 卷：385
- 期：Complete
- 页码：97-103
- 全文大小：1148 K
文摘
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A novel polarization-independent broadband grating is designed and fabricated with a bilayer grating ridge configuration.
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Grating efficiency measured with a non-polarization laser is exceeding 94% with wavelength range from 1000 nm to 1085 nm.
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This grating is applied in a spectral beam combining external cavity to combine eight beams into one beam output with 10.77 kW.