Patent ID: 11874503
Assignee: JIAXING UPHOTON OPTOELECTRONICS TECHNOLOGY CO., LTD.
Field: Optics (Instruments)
Classification: CPC G | IPC G

Claim 2:
3. The diffractive optical waveguide of claim 1, wherein,
the maximum transverse width of the first coupling-out region or the second coupling-out region is greater than 20 mm and less than 40 mm;
the maximum longitudinal width of the first coupling-out region or the second coupling-out region is greater than 20 mm and less than 30 mm;
a spacing between the center of the second coupling-out region and the center of the first coupling-out region is 55 mm to 75 mm;
the shape of the coupling-in region is a circle or polygon, wherein the maximum transverse dimension of the coupling-in region is 2 mm to 6 mm.