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LADP-4 Microwave Ferromagnetic Resonance Apparatus

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Experiments

1. Observe microwave ferromagnetic resonance phenomena of ferromagnetic materials.

2. Measure ferromagnetic resonance line width (ΔH) of microwave ferrite materials.

3. Measure the Lande’s g-factor of microwave ferrite.

4. Learn how to use a microwave experimental system.

Specifications

Microwave System
Sample 2 ( mono-crystal and poly-crystal, one each)
Microwave frequency meter range: 8.6 GHz ~ 9.6 GHz
Waveguide dimensions inner: 22.86 mm × 10.16 mm (EIA: WR90 or IEC: R100)
Electromagnet
Input voltage and accuracy Max: ≥ 20 V, 1% ± 1 digit
Input current range and accuracy 0 ~ 2.5 A, 1% ± 1 digit
Stability ≤ 1×10-3+5 mA
Strength of magnetic field 0 ~ 450 mT
Sweep Field
Output voltage ≥ 6 V
Output current range 0.2 A ~ 0.7 A
Solid State Microwave Signal Source
Frequency 8.6 ~ 9.6 GHz
Frequency drift ≤ ± 5×10-4/15 min
Working voltage ~ 12 VDC
Output power > 20 mW under equal amplitude mode
Operation mode & parameters Equal amplitude
Internal square-wave modulation

Repetition frequency: 1000 Hz

Accuracy:   ± 15%

Skewness: < ± 20%Voltage standing wave ratio< 1.2Waveguide dimensionsinner: 22.86 mm × 10.16 mm (EIA: WR90 or IEC: R100)

 

Parts List

Description Qty
Controller Unit 1
Electromagnet 1
Support Base 3
Microwave System 1 set (including various microwave components, source, detector, etc)
Sample 2 ( mono-crystal and poly-crystal, one each)
Cable 1 set
Instructional Manual 1

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