Infrared broadband nonlinear optical limiting technology based on stimulated Brillouin scattering in As2Se3 fiber

Huang, Jian; Lu, Yuangang; Wu, Zhengnan; Xie, Youwen; He, Chongjun; Wu, Junfeng

doi:10.3788/col202220.031902

Cited by 5 publications

(3 citation statements)

References 27 publications

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“…In Table 3, we compare graphene dispersions in carbon tetrachloride with some other optical limiting materials. Although the values of δ and T min of graphene dispersion at the mid-infrared region are worse than those of some fiber [15] , it is still better than those of some other optical limiting materials such as graphene oxide dispersion [27] , special optical glass [28] , and nonlinear optical crystals [29] . These results show that graphene dispersions in carbon tetrachloride have an excellent optical limiting effect in the mid-infrared region.…”

Section: Theoretical Discussionmentioning

confidence: 95%

“…The NOL within the mid-infrared region is important, as it can be used to protect the human eye and some sensitive sensors from high-power mid-infrared lasers in many fields such as the military field, biomedicine, and material processing. We have recently achieved good optical limiting effect of 3-5 μm by using an As 2 Se 3 fiber [15] , but in general the fibers are difficult to apply to the large-area laser limiting due to their small core size.…”

Section: Introductionmentioning

confidence: 99%

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Nonlinear optical limiting effect of graphene dispersions at 3.8 µm

Peng

et al. 2023

中国光学快报

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We investigate the nonlinear optical limiting effect of novel graphene dispersions and graphene dispersions in carbon tetrachloride at a wavelength of 3.8 μm. The transmittances of graphene dispersions in carbon tetrachloride under two different concentrations (0.004 and 0.008 mg/mL) and two different solution thicknesses (10 and 20 mm) are measured. The influences of concentration and thickness on the optical limiting effect of graphene dispersion are analyzed. Theoretical analysis of the experimental data shows that the main optical limiting mechanism of the new graphene dispersions is Mie scattering. The limiting capacity coefficient of the new graphene dispersion in carbon tetrachloride reaches 0.405 and the minimum transmittance reaches 0.292 when the concentration is 0.004 mg/mL and the thickness is 20 mm. The graphene dispersions in carbon tetrachloride can be used to achieve good nonlinear optical limiting effects at the wavelength of 3.8 μm.

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Section: Theoretical Discussionmentioning

confidence: 95%

Section: Introductionmentioning

confidence: 99%

Nonlinear optical limiting effect of graphene dispersions at 3.8 µm

Peng

et al. 2023

中国光学快报

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“…Once fault oriented, CO 2 laser power of more than 5 W on the cornea and skin can cause loss of vision [6,7] and burns [6,8] , respectively. Moreover, CO 2 lasers have been extensively employed in the material processing industry [9] due to the CO 2 laser being strongly absorbed by materials such as paper, wood, plastics, glass, stone, and different composite materials products [10,11] . Hence, highenergy CO 2 laser irradiation on optical components can inflict damage on optical performance [12] .…”

Section: Introductionmentioning

confidence: 99%

Flexible omnidirectional reflective film for CO2 laser protection

et al. 2023

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In this Letter, we presented a flexible omnidirectional reflective film made of polymer substrates and multiple alternating layers of two chalcogenide glasses for full-angle CO 2 laser protection. The structure parameters of the device were simulated for theoretical prediction of best device structure. The reflector was fabricated by alternate thermal evaporation of two chalcogenide glasses with large refractive index contrast. The reflectivity was greater than 78% at 10.6 μm. The flexible reflective film can provide an effective solution for full-angle CO 2 laser protection of the moving targets, such as laser operators and mobile optical components, with potential applications for wearable laser protective clothing.

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Nonlinear optical limiting effect of porous graphene dispersions at 1064 nm

Xie

Huang

et al. 2023

Appl. Opt.

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This work presents a new, to the best of our knowledge, porous graphene dispersion in ethanol that can achieve a good nonlinear optical limiting (NOL) effect at the wavelength of 1064 nm. Using the Z-scan system, the nonlinear absorption coefficient of the porous graphene dispersion with a concentration of 0.01 mg/mL was measured as 9.69×10−9cm/W. The NOL of the porous graphene dispersions in ethanol under three different concentrations (0.01, 0.02, and 0.03 mg/mL) were measured. Among them, the 1-cm-thick porous graphene dispersion with a concentration of 0.01 mg/mL has the best optical limiting effect, in which the linear transmittance is 76.7%, and the lowest transmittance is 24.9%. By using the pump-probe technique, we detected the formation and annihilation times of the scatter when the suspension interacts with the pump light. The analysis shows that the NOL mechanisms of the novel porous graphene dispersion are mainly nonlinear scattering and nonlinear absorption.

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Infrared broadband nonlinear optical limiting technology based on stimulated Brillouin scattering in As2Se3 fiber

Cited by 5 publications

References 27 publications

Nonlinear optical limiting effect of graphene dispersions at 3.8 µm

Nonlinear optical limiting effect of graphene dispersions at 3.8 µm

Flexible omnidirectional reflective film for CO2 laser protection

Nonlinear optical limiting effect of porous graphene dispersions at 1064 nm

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