Nanosecond pulsed lasers pose a serious threat to photoelectric sensors widely used in the battlefield.Optical limiting materials not only prevent the strong laser from passing through,but also do not affect the low-energy signal light,which is a research hot-spot in laser protection field at present.To meet the application requirements of strong laser protection for optoelectronic sensors in visible-near-infrared band,based on metal phthalocyanine compound and the design idea of enhancing the electron cloud density of its conjugated system,a new type of high-performance optical limiting material,tetra(4-(2-phenylpropan-2-yl)phenoxy) indium chlorophthalocyanine,is prepared and it is tested and characterized.Transient absorption spectrum experiments show that tetra(4-(2-phenylpropan-2-yl)phenoxy) indium chlorophthalocyanine has strong and long-life excited state absorption.The optical limit performance test shows that the optical limit start threshold is 8 mJ/cm2,the optical limit threshold is 0.06 J/cm2,and the damage threshold is greater than 4 J/cm2.When the input energy current reaches 3 J/cm2,the transmittance of the optical limiting device decreases to 6%.It can be seen from the test results that the material has low optical limit start threshold and optical limit threshold, high damage threshold and high linear transmittance in visible-near-infrared band,which indicate that it owns excellent optical limit performance,and has a high application prospect in laser protection of photoelectric system.