An ORMOSIL porous double-layer broadband antireflective coating

Huai Xiong; Yongxing Tang; Lili Hu; Haiyuan Li

doi:10.3788/COL201917.033101

Chinese Optics Letters, Volume. 17, Issue 3, 033101(2019)

An ORMOSIL porous double-layer broadband antireflective coating

Huai Xiong^1,2、*, Yongxing Tang¹, Lili Hu³, and Haiyuan Li¹

¹Key Laboratory of High Power Laser and Physics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China

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

³Key Laboratory of Materials for High Power Laser, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China

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Figures & Tables(5)

Fig. 1. Transmission spectra of the (a) SAR1-Z coating, (b) SAR3-Z coating, (c) SAR5-Z coating, and (d) BC1 coating.

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Fig. 2. (a) Water-contact angle of the SAR1-Z, SAR3-Z, and SAR5-Z coating and (b) TG-DSC curve for the SAR3-Z gel.

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Fig. 3. Transmission spectra of the (a) BCZ1, (b) BCSAR1, (c) BCSAR3, and (d) BCSAR5 coatings.

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Fig. 4. Transmission of the broadband AR coatings (a) BCZ1, (b) BCSAR1, and (c) BCSAR3 before and after exposure to 95% RH.

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Table 1. Transmission of the Coatings Before and After Abrasive Rubbing

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Table 1. Transmission of the Coatings Before and After Abrasive Rubbing

		Average Transmittance Reduction After Rubbing (%)
Coating	Average Transmittance (%)	1 time	3 times	5 times	10 times	20 times	50 times
BCZ1 ${NH}_{3}$	99.28	0.96	1.50	2.24	/	/	/
BCSAR1 200°C	99.49	1.48	1.58	/	/	/	/
BCSAR1 300°C	99.50	0.36	0.94	1.73	/	/	/
BCSAR3 200°C	99.34	0.17	0.21	0.41	1.00	1.67	/
BCSAR3 300°C	99.33	0.01	0.01	0.03	0.08	0.07	0.29