Brewster law demonstrating and refractive index measuring instrument

A technology of measuring instrument and refractive index, which is applied in Brewster's law demonstration and the field of refractive index measuring instrument, can solve the problems of inconvenient teaching of theory, inconvenient measurement of refractive index of optical materials, lack of intuitive and credible experimental demonstration, etc., to achieve Inexpensive effect

Active Publication Date: 2014-03-12
盐城市双新建设投资有限公司
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Problems solved by technology

[0002] At present, in college physics teaching, the teaching method of Brewster's Law basically stays in the oral description method, and lacks intuitive and credible experimental demonstrations. This is because optical experiments have high requirements on the environment. Theoretical teaching brings inconvenience, and it also brings inconvenience to the measurement of the refractive index of optical materials

Method used

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  • Brewster law demonstrating and refractive index measuring instrument
  • Brewster law demonstrating and refractive index measuring instrument

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Embodiment Construction

[0011] Attached to the manual figure 1 Among them, frame 1 (2) and frame 2 (4) are made at both ends of the cylinder (1), respectively, and the scale plate (3) engraved with angular scale lines (5) is sealed on the frame 1 (2), and the semicircle The shaped optical element (6) is installed on the scale plate (3), the transparent panel (13) is sealed on the frame 2, and the cylinder (1) is supported on the base (14), and the incident light is opened on the side of the cylinder (1). Entrance (17), reflected light outlet (7), smoke injection hole (15), it is characterized in that: incident light enters mask board (24), reflected light goes out mask board (12) is inserted in frame 1 (2) and frame 2 (4), the incident light entrance mask (24) is sealed on the incident light entrance (17), positioned by the set screw 2 (16) on the frame 2 (4), and the reflected light exits the mask plate (12) to seal Covered on the reflected light outlet (7), positioned by the positioning screw 1 (1...

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Abstract

The invention provides a Brewster law demonstrating and refractive index measuring instrument. The Brewster law demonstrating and refractive index measuring instrument consists of a barrel, a frame 1, a scale plate, a frame 2, angle scale marks, a semicircular optical element, a reflecting light outlet, a photoelectric converter, a polarization detector, a shielding wire, a positioning screw 1, a reflecting outlet cover plate, a transparent panel, a base, a smoke injecting hole, a positioning screw 2, an incident light inlet, a slot, a retaining ring, a laser indicator jack, a laser indicator, a direction adjusting screw, a support, an incident light inlet cover plate, a round hole, a polarization detector slot, a parallel polarization mark, a perpendicular polarization mark and a photoelectric conversion element, wherein the laser indicator is inserted in the retaining ring; the round hole is formed in the longitudinal axis direction of the photoelectric converter; the polarization detector slot is formed in the middle of the photoelectric converter; the polarization detector is inserted in the polarization detector slot; one end of the round hole is sealed by the photoelectric conversion element; and the photoelectric conversion element is connected with a micro-current measurer via the shielding wire.

Description

technical field [0001] The invention relates to a Brewster's law demonstration and refraction index measuring instrument, which belongs to the field of physical optics experiment equipment. Background technique [0002] At present, in college physics teaching, the teaching method of Brewster's Law basically stays in the oral description method, and lacks intuitive and credible experimental demonstrations. This is because optical experiments have high requirements on the environment. Theoretical teaching brings inconvenience, and it also brings inconvenience to the measurement of the refractive index of optical materials. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a Brewster's law demonstration and refractive index measuring instrument, which can demonstrate Brewster's law and measure the refractive index of optical materials during teaching. [0004] The technical scheme that the present invention solves it...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09B23/22G01N21/41
Inventor 葛亮毛全宁
Owner 盐城市双新建设投资有限公司
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