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    • 42. 发明公开
    • Two mirror optical arrangement for digital micromirror device
    • Optische Anordnung mit zwei Spiegelnfürdigitale Mikrospiegelvorrichtung
    • EP2876479A1
    • 2015-05-27
    • EP14185400.0
    • 2014-09-18
    • Cairn Research Limited
    • Thomas, Martin
    • G02B21/00G02B17/08
    • G02B17/0605G02B17/0812G02B17/0896G02B21/0048G02B21/0076G02B21/04G02B21/16G02B21/18G02B26/0833
    • There is provided an optical arrangement comprising a digital micromirror device (62) having a plurality of individually adjustable mirrors, a mirror pair formed from a convex mirror (70) and a concave mirror (72) having a common centre of curvature, the concave mirror (72) having a greater radius than the convex mirror (70), characterised in that a collimated space (76) is immediately adjacent the convex mirror (70), and the concave mirror (72) is offset from the convex mirror (70) so as to be capable of forming an image at an effective focal length of the mirror pair. The convex mirror (70) and the concave mirror (72) have radii substantially in the proportion 2.5:1, the concave mirror having the greater radius. A confocal microscope using such an arrangement is also provided.
    • 提供了一种光学装置,其包括具有多个可单独调节的反射镜的数字微镜装置(62),由凸面镜(70)和具有公共曲率中心的凹面镜(72)形成的反射镜对,凹面镜 (72)具有比所述凸面镜(70)更大的半径,其特征在于,准直空间(76)紧邻所述凸面镜(70),并且所述凹面镜(72)偏离所述凸面镜(70) 以便能够在镜对的有效焦距处形成图像。 凸面镜(70)和凹面镜(72)的半径基本上为2.5:1的半径,凹面镜具有较大的半径。 还提供了使用这种布置的共焦显微镜。