Modal analysis of 1  ×  3 reflective triangular gratings under normal incidence

Jin Wang; Changhe Zhou; Jianyong Ma; Yonghong Zong; Wei Jia

doi:doi:10.3788/COL201715.040902

Chinese Optics Letters, 2017, 15 (4): 040902, Published Online: Jul. 25, 2018

Modal analysis of 1 × 3 reflective triangular gratings under normal incidence

Jin Wang ^1,2Changhe Zhou ^1,*Jianyong Ma ¹Yonghong Zong ^1,2Wei Jia ¹

Author Affiliations

¹ Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China

² University of Chinese Academy of Sciences, Beijing 100049, China

Figures & Tables

Fig. 1. Schematic of grating.

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Fig. 2. Diffraction efficiencies of the zeroth and first orders.

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Fig. 3. Contour of the efficiency ratio between the first and the zeroth diffractive orders versus the period and depth.

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Jin Wang, Changhe Zhou, Jianyong Ma, Yonghong Zong, Wei Jia. Modal analysis of 1 × 3 reflective triangular gratings under normal incidence[J]. Chinese Optics Letters, 2017, 15(4): 040902.

Modal analysis of 1 × 3 reflective triangular gratings under normal incidence

Fig. 1. Schematic of grating.

Fig. 2. Diffraction efficiencies of the zeroth and first orders.

Fig. 3. Contour of the efficiency ratio between the first and the zeroth diffractive orders versus the period and depth.

Fig. 4. Diffraction process of the metal-mirror-based reflective grating.

Fig. 5. Schematic of laser writing system.

Fig. 6. Angular spectrum.

Fig. 7. AFM results: (a) AFM image, and (b) the profile along the line in (a).

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Modal analysis of 1 × 3 reflective triangular gratings under normal incidence

Fig. 1. Schematic of grating.

Fig. 2. Diffraction efficiencies of the zeroth and first orders.

Fig. 3. Contour of the efficiency ratio between the first and the zeroth diffractive orders versus the period and depth.

Fig. 4. Diffraction process of the metal-mirror-based reflective grating.

Fig. 5. Schematic of laser writing system.

Fig. 6. Angular spectrum.

Fig. 7. AFM results: (a) AFM image, and (b) the profile along the line in (a).

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