The transmission characteristics of laser in multilayer coatings

Lifeng Du; Rongzhu Zhang

doi:10.1117/12.2067991

2 September 2014 The transmission characteristics of laser in multilayer coatings

Lifeng Du, Rongzhu Zhang

Proceedings Volume 9284, 7th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optoelectronics Materials and Devices for Sensing and Imaging; 928408 (2014) https://doi.org/10.1117/12.2067991
Event: 7th International Symposium on Advanced Optical Manufacturing and Testing Technologies (AOMATT 2014), 2014, Harbin, China

Abstract

In this article the transmission characteristics of laser in multilayer coatings are analyzed. The work consists of two parts: First, electric field intensity distribution in a coating designed of A/H (LH)^N/G structure is simulated numerically. Second, electric field intensity distribution in multilayer coatings designed of different N or optical thickness are further analyzed. The results show that：In the coating designed of A/H (LH) ^N/G structure, the maximum values of intensity decrease layer-by-layer at a definite ratio. The extreme values of intensity occur at the interfaces between layers. In the multilayer coatings of N=5, 10, 15, the extreme values of intensity occur at the interfaces changelessly. As N increases, the reflectance of multilayer coating approaches to 100%. In the multilayer coating of thicker optical thickness, the extreme values of intensity occur at the inner of each layer. As optical thickness increases, the reflectance decreases.

Citation Download Citation

Lifeng Du and Rongzhu Zhang "The transmission characteristics of laser in multilayer coatings", Proc. SPIE 9284, 7th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optoelectronics Materials and Devices for Sensing and Imaging, 928408 (2 September 2014); https://doi.org/10.1117/12.2067991

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