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Optics Experiment Apparatus
LEOI-18 Fabry-Perot Interferometer
LEOI-20 Michelson Interferometer
LEOI-21 Michelson & F-P Interferometer
LEOI-22 Precision Interferometer
LEOI-24 Measurement of Speed of Light
LEOI-26 Electronic Speckle Interferometry
LEOI-26A Laser Speckle Photography
LEOI-26B Electronic & Laser Speckle
LEOI-27 Fringe Projection Profilometry
LEOI-30 Diffraction Intensity
LEOI-30A Automatic Diffraction Intensity
LEOI-31 Single-Wire/Single-Slit Diffraction
LEOI-32 Crystal Magneto-Optic Effect
LEOI-33 Crystal Acousto-Optic Effect
LEOI-34 Crystal Electro-Optic Modulation
LEOI-35 Liquid Crystal Electro-Optic Effect
LEOI-36 Silicon Photocell Characterization
LEOI-38 PZT Characterization
LEOI-40 Polarized Light Experiments
LEOI-40A Polarized Light Experiments
LEOI-41 Effect of Optical Activity
LEOI-44 Ellipsometer
LEOI-45 Optical Transfer Function
LEOI-46 Cont. Optical Transfer Function
LEOI-47 Joint Fourier Transform
LEOI-50 Semiconductor Laser Pumping
LEOI-51 He-Ne Laser Mode Analyzer
LEOI-53 He-Ne Laser Serial Experiments
LEOI-58 Semiconductor Laser Experiment
LEOI-63 Blackbody Experiment
LEOI-70 Colorimetry Experiment

LEOI-38

Experimental System for PZT Characterization

Features

Familiarize with principle of Michelson interferometer

Observe interference phenomenon of Michelson interferometer

Measure relationship between expansion and driving voltage of PZT

Calculate related characteristics of PZT

Include He-Ne laser with power supply

Introduction

Based on a Michelson interferometer, LEOI-38 is designed to study the piezoelectric characteristics of a piezoelectric transducer (PZT) so that the intensity distribution of interference can be obtained. Through this system, students can further understand the principle of the Michelson interferometer, acknowledge the characteristics of the PZT, and familiarize with the measurement technique of micro displacement.

Using this system, the following experiment examples can be conducted:

1. Construct a Michelson interferometer

2. Characterize a PZT

3. Calculate the piezoelectric coefficient of a PZT

Specifications

He-Ne Laser	632.8 nm
Min Movement Reading of Movable Mirror	0.0005 mm
Flatness of Splitter and Compensator	≤λ/20
Driving Voltage Range of PZT	10 V ~ 220 V

Part List

Description	Qty
Michelson Interferometer System	1
PZT Component	1
PZT Driver	1

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1. He-Ne laser

2. Side plate

3. Beam expander

4. Fixed mirror w/ PZT

5. Beam splitter

6. Compensator

7. FP fixed mirror

8. FP movable mirror

9. Rotation arm

10. Preset micrometer

11. Movable mirror

12. Fine micrometer

13. Stage for movable mirror

14. White screen

15. Gauge holder