EXPERIMENT TO MEASURE DIELECTRIC CONSTANT OF SOLIDS & LIQUIDS AND TO MEASURE PHASE SHIFT & ‘Q’ OF A CAVITY | Microwave Cavity Resonator Experiment Setup

Description

The Experiment to Measure Dielectric Constant of Solids & Liquids and to Measure Phase Shift & ‘Q’ of a Cavity is a precision microwave laboratory apparatus designed to study dielectric properties of materials and resonance characteristics of a microwave cavity. This setup enables accurate determination of dielectric constant, phase shift, and quality factor (Q) using cavity perturbation and resonance techniques.
Ideal for microwave engineering laboratories, physics departments, engineering colleges, universities, and advanced communication labs.
✅ Key Features
📡 Microwave Cavity Resonator Technique
Measurement based on cavity perturbation method
Enables accurate determination of dielectric constant of solids and liquids
Demonstrates interaction of electromagnetic waves with materials
🧪 Dielectric Constant Measurement
Suitable for solid and liquid dielectric samples
Sample holder designed for easy insertion into cavity
High sensitivity to small changes in resonant frequency
🔄 Phase Shift Measurement
Measurement of phase shift introduced by dielectric samples
Helps understand wave propagation characteristics
Useful for material characterization studies
📊 Quality Factor (Q) Determination
Accurate measurement of unloaded and loaded Q-factor
Study of energy storage and loss in resonant cavities
Essential for understanding microwave resonator performance
⚙ Complete Microwave Test Bench
Microwave source (klystron / Gunn diode – model dependent)
Isolator, attenuator, frequency meter, detector mount
Cavity resonator with micrometer tuning arrangement
🧱 Educational Trainer Design
Clear experimental layout with labeled components
Modular construction for easy understanding
Rugged construction for long-term academic use
🛡 Safety & Reliability
Student-safe operating power levels
Stable frequency and repeatable measurements
High-quality waveguide and cavity components
📘 Typical Applications
Measurement of dielectric constant of solids & liquids
Study of cavity resonators in microwave engineering
Determination of phase shift due to dielectric materials
Measurement of Q-factor of microwave cavities
UG & PG physics and electronics practical experiments
Microwave and RF engineering training
💡 Why Choose This Apparatus?
Combines multiple microwave experiments in one setup
High accuracy and repeatability
Excellent visualization of microwave material interaction
Essential experiment for microwave & RF curriculum
Durable, lab-grade construction