Thermal-optical test calibrating device
A calibration device and thermal optics technology, which is applied in determining the optical axis, testing optical performance, determining the position of the lens, etc., can solve the problems of not reflecting the defocus amount of the collimator, introducing many errors, and low detection accuracy.
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[0012] This system is mainly composed of target emission component 1, beam deflection component 2, image acquisition component 3, computer control terminal 4, semiconductor laser 5, beam splitting prism 6, semi-reflective and semi-transparent prism 7, slit 8, pentaprism and its adjustment Mechanism 9, converging lens 10, CCD camera 11 etc. are composed of eleven parts.
[0013] a) The semiconductor laser 5 is used as a light source to emit a laser beam, and the laser beam is divided into two beams with a fixed angle through a beam splitting prism 6;
[0014] b) the detection light beam is converged on the focal plane of the parallel light tube through the semi-reflective and semi-transparent prism 7 to illuminate the slit 8 thereon, as the detection target of the device;
[0015] c) The two detection beams emitted from the slit 8 pass through the optical system of the collimator to the pentaprism 9 installed on the edge of the aperture of the collimator, and then the detection...
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