1. Simplex Cable with PMMA Fiber and SMA Connectors:

The simplex cable with PMMA fiber finds application for short distance analog and digital signal transmission. The step index fiber has a large area of cross-section and a high numerical aperture, facilitating easy coupling with transmitting and receiving devices. The light is guided along a fiber of one millimeter diameter to distances of a few tens of meters. The other main applications of PMMA fibers are in sensors, lightguides and displays.

Specifications of Simplex Cable:

Core Material:PMMA (polymethyl methacylate)
Cladding Material: Fluorinated polymer
Fiber Structure: Step index type
Core/Cladding Diameter: 960 microns/1000 microns
Core Refractive Index:1.492
Cladding Refractive Index:1.405 to 1.417
Numerical Aperture: 0.5 (typical)
Acceptance Angle: 55 to 60 degrees
Attenuation (660nm): 0.3 dB/ meter
Jacket Material:Polythene (black/red); 2.2 mm OD

Spectral Attenuation of a PMMA Fiber

Figure: Spectral attenuation of a PMMA fiber

2. Simplex Cable with GI Multimode Glass Fiber:

The simplex style cable is of the tight buffer construction with a variety of glass fibers. It is reinforced with Kevlar and a protective PVC jacket for robust lightweight applications.

The details are given below:

Colour	Fiber Core/Cladding	Diameter of Cable	Attenuation 850nm	Bandwidth 850nm
Gray	62.5/125 microns	2.90 mm	3.5 dB	160 MHz-Km
Orange	50/125 microns	2.90 mm	3.0 dB	400 MHz-Km
Green	100/140 microns	2.90 mm	4.5 dB	100 MHz-Km
Blue	200/230 microns	2.90 mm	6.0 dB	20 MHz-Km

Bible Verse For Now

John 10:10

The thief does not come except to steal, and to kill, and to destroy. I have come that they may have life, and that they may have it more abundantly.

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