optical prism

3 year ago

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 3 year year

Product details

The core application of a prism in optics is to achieve light deflection and splitting through the principles of refraction and dispersion. Here are the specific usage methods:

1、 Basic operation steps

Placement and Calibration

Place the prism on the optical bench and adjust the base so that the top angle faces upwards. Use a spectrometer to calibrate the telescope and collimator, ensuring that the incident light passes perpendicular to the main cross-section of the prism.

Light deflection experiment

When monochromatic light is incident vertically, the angle between the outgoing light and the incident light is called the deviation angle. By rotating the prism, it can be observed that the deflection angle varies with the incident angle, and there exists a minimum value (minimum deflection angle).

Dispersion phenomenon

When polychromatic light (such as white light) is incident, different wavelengths of light undergo dispersion due to different refractive indices, forming spectra. The refractive index formula can be verified by measuring the spectral wavelength.

2、 Advanced application skills

Minimum deviation angle measurement: Accurately adjust the incident angle to the minimum deviation angle, at which point the refracted light is parallel to the bottom surface of the prism, used to calculate the refractive index of the material.

Wedge combination: Small corner prisms can be used in combination to achieve continuous deflection through rotation, used for optical instrument calibration.

3、 Precautions

To avoid scratches on the surface of the prism, use specialized mirror paper for cleaning.

The experimental environment should avoid strong light and reduce stray light interference.

Dispersion experiments require the use of high-purity monochromatic light sources to improve accuracy.

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Danyang Horse Optical Co., Ltd

 Audited supplier

3 year

Address: Zhenjiang, China

Main Product: Optical Lens, Optical Prism , Beam Splitter, Optical Filter, Infrared Optical, Laser lens

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