Method and device for measuring double-prism refractive index on basis of optical levers
An optical lever and double prism technology, applied in the field of optical measurement, can solve the problems of cumbersome instrument adjustment, high cost, complicated instrument and so on
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[0040] The above and other technical features and advantages of the present invention will be described in more detail below in conjunction with the accompanying drawings.
[0041] The invention utilizes an optical lever to realize the measurement of the refraction index of the double prism through the method of geometric optics.
[0042] see figure 1 As shown, it is a structural schematic diagram of the device for measuring the refractive index of a double prism based on an optical lever in the present invention. Scale 11, double prism 12, described base 1 is made of cast iron, long 50cm, high 30cm; Slide rail 2 is installed on the base 1, and slide rail is made of steel, and 30cm is long, and middle part is grooved; Described slide rail 2 A lead screw 3 is installed, and the lead screw 3 is placed in the groove of the slide rail 2; the lead screw 3 passes through the lower end of the loading platform 4 and is connected thereto. Horizontal movement, in this embodiment, the ...
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