Optical waveguide tester GBG

• Beam collimating and splitting device:
• Aperture of extended parallel beam: 1.2~1.5mm
• Focal length of auxiliary lens: 100mm
• Goniometric rotating-disk
• Goniometric range:360°
• Minimum scale:6"
• Goniometric precision: ≤±15"
• Photoelectric detecting system:
• Alignment accuracy of zero angle: ≤±10"
• Alignment accuracy of m-line synchronous angle:±20"