Based on natural protein materials,a series of lenses with different heights and focal lengths were assembled on glass substrates by femtosecond laser non-contact,masking,and cold processing.This lens array itself pos...Based on natural protein materials,a series of lenses with different heights and focal lengths were assembled on glass substrates by femtosecond laser non-contact,masking,and cold processing.This lens array itself possesses unique and characteristic optical performance in three-dimensional parallel imaging and bending imaging.What is more profound is that by using equilibrium swelling of protein-hydrogel,once the lens array was placed in a liquid environment,with the change of ion concentration(e.g.,pH),the refractive index and curvature of the protein-hydrogel would change,which leads to the flex of the focal plane of the lens,finally realizing the dynamical tunability of a protein microlens.These smart stress devices may have great potential in optical biosensing and microfluidic chip integration fields.展开更多
基金supported by the National Natural Science Foundation of China(NSFC)(Nos.61605055 and 61435005)the China Postdoctoral Science Foundation(No.801161010428)
文摘Based on natural protein materials,a series of lenses with different heights and focal lengths were assembled on glass substrates by femtosecond laser non-contact,masking,and cold processing.This lens array itself possesses unique and characteristic optical performance in three-dimensional parallel imaging and bending imaging.What is more profound is that by using equilibrium swelling of protein-hydrogel,once the lens array was placed in a liquid environment,with the change of ion concentration(e.g.,pH),the refractive index and curvature of the protein-hydrogel would change,which leads to the flex of the focal plane of the lens,finally realizing the dynamical tunability of a protein microlens.These smart stress devices may have great potential in optical biosensing and microfluidic chip integration fields.
