Large-view-field curved surface focal plane imaging method and system based on image transmitting optical fiber bundle
A technology of optical fiber and optical fiber bundle for image transmission, applied in the direction of bundled optical fiber, optics, optical components, etc., can solve the strict requirements of finished CCD inspection and assembly debugging technology, complicated manufacturing process of curved surface CCD array, limited lens selection and combination, etc. problems, achieve good application prospects, simplify design difficulty, reduce volume and weight
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Embodiment 1
[0032] image 3 It is a flow chart of a large field of view curved surface focal plane imaging method based on an imaging fiber bundle provided in Embodiment 1 of the present invention. Such as figure 2 As shown, the method mainly includes the following steps:
[0033] Step 31, the incident light enters the Petzwan surface generated by the spherical lens through a spherical lens formed by cementing two groups of symmetrical lenses.
[0034] Step 32: After the light passes through the input end of the image transmission fiber bundle provided on the Petzwan surface, it is injected into the planar CCD array through the output end of the image transmission fiber bundle coupled to the planar charge-coupled device CCD array, Realize curved surface focal plane imaging.
[0035] Wherein, the input end of the image transmission fiber bundle can be arranged radially on the Petzwan surface; or, the input end of the image transmission fiber bundle is arranged on the Petzwan surface, a...
Embodiment 2
[0052] Figure 8 A schematic diagram of a large field of view curved focal plane imaging system based on an image-transmitting fiber bundle provided in Embodiment 2 of the present invention. Such as Figure 8 As shown, the system mainly includes:
[0053] The spherical lens 81 is formed by cementing two groups of symmetrical lenses;
[0054] The Petzwan surface 82 is produced by the spherical lens, and the incident light enters the Petzwan surface through the spherical lens;
[0055] The input end 83 of the image transmission fiber bundle is arranged on the Petzwan surface;
[0056] The output end 84 of the image transmission fiber bundle is coupled on the planar charge-coupled device CCD array 85;
[0057] After the light passes through the input end of the image transmission fiber bundle, it enters the planar CCD array through the output end of the image transmission fiber bundle to realize curved focal plane imaging.
[0058] Further, the image transmission fiber optic...
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