Wavelength multiplexing optical devices

The utility model provides a wavelength multiplexing optical devices, including TFF device (1), polarization beam splitter prism device (2), the TFF device sets up respectively on the first optical channel of TFF device (1) output, third optical channel including four ways band -pass diaphragm group (4) and two high reflection film piece (5), two high anti - diaphragm (5), polarization beam splitter prism device (2) is including 12 slides (6), 45 hypotenuse prism (7), rhombic prism (8), 45 inclined planes of rhombic prism (8) and the inclined plane of 45 hypotenuse prism (7) coincidence mutually set up and correspond respectively and set up in the second optical channel of TFF device (1) output, fourth optical channel light path, set up between 45 hypotenuse prism (7), rhombic prism (8) coincidence polarization beam splitting coating (9), 1 2 slide (6) are located the vertical incidence face of 45 hypotenuse prism (7) or rhombic prism (8). The utility model discloses the preparation degree of difficulty, the