Fresnel Mirrors w/o Power Supply

21-1201

188,00 €

The Fresnel Mirrors didactic tool uses advanced semiconductor laser technology for better explication of the interference effect. The tool is based on the interference of two waves propagated from two planar mirrors.

More details

The Fresnel Mirrors didactic tool uses advanced semiconductor laser technology for better explication of the interference effect. The tool is based on the interference of two waves propagated from two planar mirrors. One of the mirrors is fixed and the other is adjustable in transversal and longitudinal direction. This allows changing the angle between the two mirrors. The interference image form and parameters are dependent on this angle. The combination of monochromatic light and adjustable mirror angle allows the inclusion of exams, demonstrating the use of interference in praxis by small angle measurement and deformation observation. Using this didactic tool, the interference can be explained more transparently and with the active participation of students.

The set consists of:

  • Fresnel Mirrors (main part)
  • laser light source 635 nm/1 mW
  • focusing screen with base
  • shade (image) screen with base
  • external battery box with interconnect cable (2 x 1,5V for battery size AA)

This version does not include a power supply.

Specification:

  • Laser type: Diode
  • Wavelength: 635 nm
  • Output Power/laser class: Pmax < 1mW / 2
  • Dimensions: 400 x 50 x 70 mm
  • Power supply requirements: 3V DC / 500 mA

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