首页说明书Freeform aspheric telescope with an external pupil-Dave Shafer
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Freeform aspheric telescope with an external pupil-Dave Shafer

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Freeform aspheric telescope with an external pupil-Dave Shafer
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Freeform aspheric telescope with an external pupilDavid ShaferDavid Shafer Optical Design10 degree field,f/3.0UNITS:MMOPTICAL SYSTEM LAYOUTDES:Shafer109人Freeform aspherics allow for design variations that areimpossible with conventional asphericsThere are some situations in which the design is required tohave an external front pupilThis considerably reduces what is possible in field and f#compared to internal pupil designsHere we will look at a 4 mirror design10 degree field,f/3.0UNITS:MMOPTICAL SYSTEM LAYOUTDES:Shafer109100 mm aperture diameter,f/3.0 design with 10 degreefield.diffraction-limited at55u over a flat field.Aperture stopField mirrorsDiffraction-limited flat image
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