Fabry Perot Interferometer Physics Lab Experiment Setup

Fabry-Perot Interferometer is designed for precision optical experiments and observation of interference patterns.

Physics Lab Experiments Setup from Atico Exports.

Mechanical Parts :

Lead Screw Diameter :

• 17 mm

Pitch :

• 1 mm

Threaded Length :

• 200 mm

Lead Screw and Nut :

• Optically Lapped to Maintain Pitch Constancy

Interferometer Scales :

• Three Scales Provided

Linear Scale :

• Range: 0 to 150 mm
• Graduated in Millimeters
• Mounted on the Left-Hand Side of the Interferometer Bed

Graduated Disc :

• 0 to 100 Divisions
• Visible Through the Glass Window Provided on the Interferometer Head
• One Division: 0.01 mm

Slow-Motion Drum :

• 0 to 100 Divisions
• Mounted on the Right-Hand Side of the Interferometer
• One Division: 0.00001 mm

Least Count of Interferometer :

• 10⁻⁴ mm

Optical Parts :

Partially Coated Mirrors :

• Quantity: 2
• Heavy Metallic Coating
• Interference Patterns Formed by D1 and D2 Lines of Sodium are Clearly Visible to the Naked Eye

Mirror Material :

• Optical Glass

Coated Face Diameter :

• 23 mm

Other Face Diameter :

• 27 mm

Mirror Thickness :

• 12 mm

Surface Figure of Coated Face :

• Better Than λ/10

Mirror Reflectivity :

• Approximately 80%

Coating Material :

• Aluminum with Protective SiO₂ Coating

Telescope Specifications :

Objective :

• Achromatic Doublet

Objective Diameter :

• 25 mm

Focal Length :

• 50 mm

Telescope Magnification :

• 10X