Patent ID: 6626583
Filing Date: 2003-09-30
Classification: G02B

Abstract:
An optical multiplexer/demultiplexer module comprising:a first ferrule assembly having a first sleeve and a first ferrule inserted and fixed in said first sleeve, said first ferrule having first and second optical fibers; a first element fixed to said first ferrule assembly, said first element having a first lens and a first bandpass filter; a second element fixed to said first element, said second element having a wedge plate for optical path correction, said wedge plate being formed of a material transparent to the wavelength of light to be used; a third element fixed to said second element, said third element having a second lens; and a second ferrule assembly fixed to said third element, said second ferrule assembly having a second sleeve and a second ferrule inserted and fixed in said second sleeve, said second ferrule having a third optical fiber.