Stroboscope

The invention discloses a stroboscope. The stroboscope comprises a light source, a rotation device and a linear polarizing film. Light emitted by the light source is emitted through the linear polarizing film, and the rotation device is used for rotating the polarizing film. The stroboscope can be widely applied to the industry fields of the paper industry, ship manufacturing, tire detecting, motor testing, metering, product research and development and the like, hurt to health of human bodies can be well avoided, and influences of strong pulse signals on electronic equipment can be eliminated. 本发明公开了种频闪仪，包括光源、旋转装置，线偏振片，其中：光源发出的光透过线偏振片发出，旋转装置用于旋转线偏振片。本发明的频闪仪能够广泛应用于造纸业、船舶制造、轮胎检测、电机测试、计量、产品研发等行业领域，能够很好的避免对人体健康的损害，且能够消除较强脉冲信号对电子设备的影响。