Optical waveguide detecting instrument 

Optical waveguide detecting instrument 1、 collimating and splitting device ： beam aperture ： 1.2~1.5mm（ after expanding the parallel light） Focus of auxiliary lens ：100mm 2、 Goniometric rotating-disk： Goniometric range:360° Minimum scale:6" Goniometric precision: ≤±15" 3、 photoelectric detecting system: Alignment accuracy of zero angle: ≤±10" Alignment accuracy of m-line synchronous angle:±20"