From this kit you can perform the following experiments
1. Calculation of Power from two different lengths of Fiber cable.
a) Measurement of phototransistors current for different lengths of Fiber cable.
b) Calculation of launch power for each light source.
c) Calculation of attenuation coefficients (a) of fiber, for different light sources,
2. Measurement of Rise and fall time for various detectors and light sources.
a) Measurement and calculation to determine which light source and detector combination is faster.
b) Measurement and calculation to determine upper frequency 3dB Bandwidth, for different light sources.
c) Measurement and calculation to determine upper frequency 3dB Bandwidth, for different detectors.
3. Comparisons of the Transmission characteristic of a continuous Fiber cable Vs those with spliced cables.
4. Study of Index matching with splices includes,
a) Measurements of phototransistor current when Fibers are spliced together with and without index-matching,
Comparison of the transmission characteristics of a Fiber splice with and without index matching includes calculation of Fresnel?s reflection.
This unit is assembled in an ergonomically designed cabinet, with necessary power supplies and associated emitters, detectors, multi mode transmission cables. You need optional signal sources, Oscilloscope, a high impedance mulitmeter as additional equipment to successfully conducting the above objectives.
Specification:
Types of Transmitters:-
Infra Red : Fiber optic Infra Red 820 nm peak wavelength housed in FC adapter.
Visible RED : Fiber optic Red 635 nm peak wavelength housed in FC adapter.
Orange : Fiber optic Orange 600 nm peak wavelength housed in
FC adapter.
Blue : Fiber optic Blue470 nm peak wavelength housed in
FC adapter.
Green : Fiber optic Green 565 nm peak wavelength housed in
FC adapter.
Laser Diode/monitor : Fabry-Perot (FP) laser diode. Multiple Quantum Well
(MQW) structure and built-in InGaAs monitor photo diode.
1310 nm peak wavelength housed in FC adapter.
Forward Current of LD :150 mA
Types of Receivers:-
Photodiode : Peak sensitivity 880nm
Phototransistor : Peak sensitivity 850nm
Laser Diode/monitor : Fabry-Perot (FP) laser diode. Multiple Quantum Well
(MQW) structure and built-in InGaAs monitor photo diode.
1310 nm peak wavelength housed in FC adapter.
Forward Current of PD :10 mA
Connection : Plastic fiber optic package, suitable for PMMA cable,
housed in FC Adapter
Fiber connector : Industry standard FC ? FC connector
Fiber optics cable type : Plastic optical cable, step index, multimode.
Core refractive index : 1.492
Clad refractive index : 1.406
Acceptance angle : Within 60 degrees
Core diameter : 1000mm
Fiber diameter : 2.2mm
Fiber length supplied : 1 meter and 3 meter
Power supply : 5V and 12 V
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