Holographic photography
Holographic grating fabrication
L: laser
K: exposure shutter
L1: expander
L2: collimator
BS: beam splitter
M: mirror
H: hologram (holographic grating)
Abbe imaging and spatial filtering
1. He-Ne laser
2. Beam expander
3. Collimating lens
4. Grating
5. Fourier lens
6. White screen
Abbe imaging and spatial filtering
1. He-Ne laser
2. Beam expander
3. Collimating lens
4. Grating
5. Fourier lens
6. White screen
Note: stainless steel optical table or breadboard not provided
Features
Including He-Ne laser and white-light source
Holographic photography and fabrication
Abbe's theory of imaging and spatial filtering
Theta-modulation
Detailed instruction manual
Introduction
The LEOK-43 Information Optics Experiment Kit is a comprehensive educational tool designed to combine theoretical principles with practical experiments in the fields of spatial frequency spectrum, optical Fourier transform, and holography. The kit enables students to conduct hands-on experiments that align with core concepts in information optics, allowing them to directly observe and understand the phenomena related to the spatial light spectrum and its manipulation through optical methods.
With this kit, students can engage with fundamental aspects of Fourier optics and holography, gaining valuable experience that bridges the gap between theory and practical application. The kit’s modular design allows students to set up various experiments, enhancing their experimental and problem-solving skills, all while reinforcing the foundational knowledge of information optics.
The instruction manual contains comprehensive materials including experimental configurations, principles, step-by-step instructions, and required parts. Please click to view some sample pages of the instruction manual.
Using this kit, the following experiment examples can be conducted:
1. Holographic Photography: Learn how to use holographic techniques to capture 3D images. This experiment explores how interference between reference and object beams creates holograms and the recording medium required for this process.
2. Holographic Grating Fabrication: Construct a holographic grating by using interference patterns created through laser light. This experiment introduces students to diffraction gratings and their applications in optical systems.
3. Abbe Imaging and Spatial Light Filtering: Investigate Abbe’s imaging theory and perform spatial light filtering, which is used to analyze spatial frequencies and improve image resolution in optical systems. This experiment reinforces the understanding of how to control light for imaging purposes.
4. Theta Modulation: Explore theta modulation to manipulate the color spectrum of light, enhancing students’ understanding of optical spectral control and its role in applications such as color encoding and image processing.
Specifications
Item | Specifications |
He-Ne Laser | Wavelength: 632.8 nm |
Power: >2.0 mW | |
Rotary Slit | Single-Sided |
Width: 0 ~ 5 mm (continuously adjustable) | |
Rotation Range: ± 5° | |
White Light Source | Tungsten-Bromine lamp (12 V/30 W), variable |
Filtering System | Low-pass, High-pass, Band-pass, Directional, Zero-order |
Fixed Ratio Beam Splitter | 5:5 and 7:3 |
Adjustable Diaphragm | 0 ~ 14 mm |
Grating | 20 lines/mm |
Parts List
Description | Qty |
He-Ne laser (LLL-2) | 1 |
White light source (LLC-3) | 1 |
XYZ translation on magnetic base (SZ-01) | 1 |
XY translation on magnetic base (SZ-02) | 1 |
Z translation on magnetic base (SZ-03) | 3 |
Universal magnetic base (SZ-04) | 4 |
Two-axis mirror holder (SZ-07) | 2 |
Lens holder (SZ-08) | 2 |
White screen (SZ-13) | 1 |
Plate holder (SZ-12) | 1 |
Variable diaphragm (SZ-15) | 1 |
Two-axis adjustable plate holder (SZ-18) | 1 |
Sample stage (SZ-20) | 1 |
Adjustable slit (SZ-40) | 1 |
Ground glass screen (SZ-43) | 1 |
Paper clip (SZ-50) | 1 |
Convex lens | 3 |
Beam expander | 2 |
Spatial filter set | 1 |
Plane mirror | 2 |
Transmissive grating | 1 |
Two-dimensional cross grating | 1 |
Fixed-ratio beam splitter | 2 |
Character with grid | 1 |
Theta-modulation plate | 1 |
Small object | 1 |
Small white board | 1 |
Holographic plate (silver salt) | 1 box |
Note: a stainless steel optical table or breadboard (1200 mm x 600 mm) is needed for use with this kit.
Holographic photography
Holographic grating fabrication
L: laser
K: exposure shutter
L1: expander
L2: collimator
BS: beam splitter
M: mirror
H: hologram (holographic grating)
Abbe imaging and spatial filtering
1. He-Ne laser
2. Beam expander
3. Collimating lens
4. Grating
5. Fourier lens
6. White screen
Abbe imaging and spatial filtering
1. He-Ne laser
2. Beam expander
3. Collimating lens
4. Grating
5. Fourier lens
6. White screen