Grace Scientific Corporation

GSC-PE-157 - Measurement Of Numerical Aperture Of An Optical Fiber

Name: GSC-PE-157 - Measurement Of Numerical Aperture Of An Optical Fiber
Brand: Grace Scientific Corporation
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Specifications:-

System Description

•Fiber Optic Digital Link training system designed to study optical communication in a digital link

•Demonstrates conversion of electrical signal into modulated light beam, transmission through fiber optic cable, and reconversion into electrical signal at receiver end

•Includes study of losses during transmission

•Inbuilt square wave generator for digital modulation experiments

Experimental Capabilities

•Study of 650 nm fiber optic digital link by analyzing input and received signals

•Intensity modulation of digital signal, transmission over fiber optic cable, and demodulation at receiver

•Study of Electro-Optic (EO) characteristics

•Measurement of Numerical Aperture (NA) of the fiber

Technical Specifications Transmitter

•Peak wavelength: ~660 nm

Receiver

•Fiber Optic photodetector

Driver

Digital driver circuitry

Fiber Optic Cable

•Step-indexed multimode PMMA plastic fiber

•Length: 0.5 m

•Connector type: SMA

Bandwidth

•Analog bandwidth: ~340 kHz

•Digital bandwidth: ~2.5 MHz

Fiber Characteristics

•Diameter: 1000 microns

•Refractive index: Core 1.492, Cladding 1.406

•Numerical Aperture (NA): better than 0.5

Power Requirements

•Operates on +12 V DC (via adaptor)

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