在光纤头端加工透镜,将光汇聚至目标血管,并收集血管壁反射光传输至干涉仪。lens外径、束腰直径和束腰位置可定制。
Manufacturing a small lens on the tip of fiber, this assembly focus the light onto the target blood vessel, collect the reflected light and transmit to the interferometer. The outer diameter of the lens, beam waist diameter, and beam waist position can be customized.