Physics Lab Equipment

LEOI-32 Experimental System for Crystal Magneto-Optic Effect

LEOI-32 Experimental System for Crystal Magneto-Optic Effect

Note: oscilloscope not included

Features

  • Easy operation

  • Precise measurement

  • Stable base

  • Magneto-optic modulation technique demo







Introduction

The magneto-optic rotation effect of a crystal, also called the Faraday effect, describes the effect of polarization rotation of an optical beam going through a layer of magneto-optic material. It plays an important role in optical experiments. This experimental system is designed to

 

1. Observe the magneto-optic rotation effect of a material under test

2. Understand the flow direction of a magnetic current vs the polarization rotation direction of a Faraday rotator

3. Calculate the Verdet constant

4. Demonstrate optical communication using magneto-optic modulation technique

 

This experimental system can be used to conduct the following experiments:

 

1. Measure Faraday rotation angle
2. Calculate the Verdet constant of a material
3. Characterize a magneto-optic glass
4. Demonstrate optical communication using magneto-optic modulation technique


Specifications

DescriptionSpecifications
Laser SourceSemiconductor Laser
Laser Wavelength650 nm
Laser Output Power>5.0 mW
DC Excitation Current0 ~ 2.0 A (continuously adjustable, 3 1/2-digit display)
DC Magnetic Induction0 ~ 100 mT
Internal Modulation SignalSinusoidal Wave at 1 kHz
Power Supply110/220 V, 50 Hz


Part List

DescriptionQty
Main Unit1
Semiconductor Laser (LLL-1)1
Polarizer2
Optical Rail (0.7 m)1
Carrier5
2D Adjustable Laser Holder1
Electromagnet1
Polarizer Holder2
Teslameter1


     LEOI-32 Experimental System for Crystal Magneto-Optic Effect.png

Schematic of Faraday effect

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