Linear testing device for variable-density optical filter
A testing device and filter technology, which is applied to measurement devices, optical instrument testing, and optical performance testing, etc., can solve the problems of low linear testing efficiency, no filter movement, low efficiency, etc., so as to facilitate subsequent processing. The effect of ideal processing and measurement accuracy and high test efficiency
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[0016]As shown in the figure, the linear test device for the variable density filter includes a tilt angle adjustment arm 1, an optical path support frame 2, a mobile platform 3, a four-axis optical fiber adjustment frame 4, and a two-axis optical fiber adjustment frame 5; the mobile platform 3 includes Y The axis translation unit 301 and the X-axis fine-tuning unit 302; the four-axis optical fiber adjustment frame 4 and the two-axis optical fiber adjustment frame 5 are respectively fixed at the upper and lower ends of the tilt angle adjustment arm 1 in turn; the optical fiber in the four-axis optical fiber adjustment frame 4 The optical fiber collimator 6 is respectively fixed at the optical fiber detection port of the light source and the two-axis optical fiber adjustment frame 5; the central axis of the optical fiber collimator 6 is perpendicular to the slide stage 9 on the X-axis fine-tuning unit 302; the tilt angle adjustment The column of the arm 1 is fixedly connected to the ...
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