Creating Transmission Holograms on the Laser Optics Base Plate

The Creating Transmission Holograms on the Laser Optics Base Plate is designed to create and reconstruct transmission holograms using coherent laser light. The apparatus enables students to study the principles of holography by recording interference patterns on holographic film and reconstructing three-dimensional images. By varying the photochemical processing of the exposed film, both amplitude and phase holograms can be produced. The experiment provides a comprehensive understanding of laser optics, interference, diffraction, and holographic image formation. Manufactured by Atico Export India.

Principle

Holography is based on the interference of coherent laser beams. A laser beam is divided into an object beam and a reference beam. These beams interfere on a holographic recording film, storing both the intensity and phase information of the light. After chemical processing, illuminating the hologram with the appropriate light source reconstructs the original three-dimensional image. Stable optical alignment is essential to minimize disturbances caused by vibrations and air currents.

Objectives

• Create transmission holograms using coherent laser light.
• Reconstruct recorded holographic images.
• Study the principles of holography and optical interference.
• Produce both amplitude and phase holograms.
• Understand the effect of mechanical vibrations and air disturbances on hologram quality.

System Components

Laser Optics Base Plate :

• Quantity: 1

Linearly Polarized He-Ne Laser :

• Quantity: 1

Laser Mount :

• Quantity: 1

Optics Base :

• Quantity: 5

Beam Divider :

• 50%
• Quantity: 1

Beam Divider Holder :

• Quantity: 1

Film Holder :

• Quantity: 1

Object Holder :

• Quantity: 1

Spherical Lens :

• Focal Length: 2.7 mm
• Quantity: 2

Metal Rule :

• Length: 1 m
• Quantity: 1

5-Way Socket Strip :

• Quantity: 1

Mechanical Hand-Held Stopwatch :

• Quantity: 1

Storage Trays :

• Size: 86 × 86 × 26 mm
• Set of 6
• Quantity: 1

Polyethylene Bottle :

• Quantity: 3

Scissors :

• Length: 200 mm
• Pointed
• Quantity: 1

Holography Film :

• Resolution: 3000 lines/mm
• Quantity: 1

Darkroom Accessories :

• Quantity: 1 Set

Photographic Chemicals :

• Quantity: 1 Set

Iron(III) Nitrate Nonahydrate :

• 250 g
• Quantity: 1

Potassium Bromide :

• 100 g
• Quantity: 1

Laser-Based Holography System :

• Designed for recording and reconstructing transmission holograms.

Linearly Polarized He-Ne Laser :

• Provides stable coherent light for holographic recording.

Precision Optical Alignment :

• Laser optics base plate ensures accurate positioning of optical components.

Amplitude and Phase Holography :

• Supports both amplitude and phase hologram production through appropriate film processing.

Educational Design :

• Ideal for studying holography, interference, diffraction, and laser optics.