Numerical Aperture

Description

The Numerical Aperture Measurement Apparatus is a complete optical fiber experimental setup used to determine the acceptance angle and numerical aperture (NA) of a given optical fiber. The setup consists of a precision optical bench with laser source, fiber holder, screen, and adjustable mounts, ensuring accurate alignment and reliable results.

This experiment demonstrates the light acceptance capability of optical fibers, which is a fundamental concept in fiber optic communication and photonics research.

Key Features:

• Optical bench with rigid, vibration-free design
• Laser source with regulated power supply for stable illumination
• Optical fiber holder with adjustable mounts
• Screen with scale for measuring spot diameter (D)
• Supports precise calculation of acceptance angle (θA) and numerical aperture (NA)
• Easy to operate – suitable for educational and research laboratories

Supplied Apparatus:

• Laser Diode Source with Power Supply
• Optical Fiber with Holder
• Precision Optical Bench with Adjustable Mounts
• Screen with Measuring Scale
• Instruction Manual with Theory, Formulae & Procedure

Applications:

• Determination of Numerical Aperture (NA) of optical fibers
• Measurement of acceptance angle
• Study of light propagation in optical fibers
• Physics, Electronics & Communication Engineering Labs
• Training & Research in Fiber Optics & Photonics

Made in India | Accurate | Reliable Educational Instrument