Optical Design of an Image-space Telecentric Two-mirror System for Wide-field Line Imaging
We present a new design approach and an example design for an image-space telecentric two-mirror system that has a fast f-number and a wide-field line image. The initial design of the telecentric mirror system is a conventional axially symmetric system, consisting of a flat primary mirror with fourt...
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Veröffentlicht in: | Current optics and photonics 2017, Vol.1 (4), p.344-350 |
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description | We present a new design approach and an example design for an image-space telecentric two-mirror system that has a fast f-number and a wide-field line image. The initial design of the telecentric mirror system is a conventional axially symmetric system, consisting of a flat primary mirror with fourth-order aspheric deformation and an oblate ellipsoidal secondary mirror to correct spherical aberration, coma, and field curvature. Even though in the optimized design the primary mirror is tilted, to avoid ray obstruction by the secondary mirror, the image-space telecentric two-mirror system shows quite good imaging performance, for a line imager. |
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title | Optical Design of an Image-space Telecentric Two-mirror System for Wide-field Line Imaging |
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