Physics Lab Equipment

LEEI-61 Interference, Diffraction & Polarization of Microwave- Basic Model

LEEI-61 Interference, Diffraction & Polarization of Microwave- Basic Model

Introduction

Microwave and light wave are both electromagnetic waves. They share common phenomena of all waves, such as reflection, refraction, polarization, interference, and diffraction. However, as the wavelength of a microwave is about 4 orders larger than that of a visible light wave, the experimental phenomena and apparatus of microwave are different.

 

This LEEI-61 microwave demonstrator consists of a microwave transmitter, a microwave receiver with amplifier, a receiving dipole with other accessories. It can be used to demonstrate many interesting microwave experiments as follows:

 

1. Relay of microwave

2. Transmission and absorption of microwave

3. Microwave as polarized wave

4. Reflection of microwave on a metal plate

5. Refraction of microwave

6. Interference of microwave

7. Formation of standing electromagnetic wave

8. Diffraction of microwave

9. Directive transmission of microwave

10. Doppler effect


Specifications

ItemSpecifications
Microwave transmitterOperating frequency: 11 ± 1.1 GHz
Output power: ≥10 mW
Internal modulating signal: monotone, diphone, music
External modulating signal: ≥1 VPP
Microwave receiver with amplifierGain of amplifier: ≥60 dB
Receiving distance: ≥1 m (indicator); ≥3 m (speaker)


Part List 

DescriptionQty
Microwave transmitter1
Microwave receiver with amplifier1
Receiving dipole1
Cable, L=1.5 m1
Cable, L=1.2 m1
Large metal plates, 170 mm × 150 mm2
Small metal plate, 170 mm × 50 mm1
Paraffin prism1
Board for refraction 150 mm × 80 mm × 40 mm1
Board for absorption 150 mm × 80 mm × 20 mm1
Shelves4


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Receiving dipole configuration

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Refraction by paraffin prism


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Setup for microwave diffraction at a single slit


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Setup for microwave interference due to diffraction at double slits

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