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周革
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Design of single-channel optical rotary joint using bulk optical detector
Opt. Eng. 42 (11), 2585-3289，-0001，（）：
The insertion loss of a fiber optcalirotary joiot depends on the mechenical misalgnments of the collimating lenses To achieve 3-dB or less Insertion loss, the lateral nusanment of the graded index (GRIN) lenses should be less than 100μm, and the angular tilt at these lenses is limoted to 0.1 deg These requirements cauee a high mechanical fabrication and assemciy cost. To solve this problem, we design a single-channel optica1 rotary joint using a bulk optical detector The requirement on lateral misalignment is relaxed to 500μm, and the angular tilting is relaxed to 2 deg. Using this method, the cost of Ihe oplical rotary joint can be dramatically reduced
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