Features

Laser Diode Intensity Modulation And Demodulation Trainer

Kotech Export offers a vast range of Fiber Optics Trainer Kits including low cost high quality Laser Diode Intensity Modulation and Demodulation Trainer which has been developed to conduct studies on laser Diode, optical fibres and optical communication methods, by signal transmission. Practical experience on this Trainer carries great educative value for Science & Engineering Students.

Objective of KEELTFOT-104:

~ Characterisation of a Laser Diode.
~ Optical Power (Po) of a Laser Diode Vs Laser Diode Forward current (I ). 
~ Monitor Photodiode Current (I ) Vs Laser Optical Power Output (Po). 
~ Study of Automatic Current Control (ACC) or Automatic Power Control (APC) Modes of Operation
~ Comparison of ACC and APC Modes of Operation.
~ Design and Evaluation of an Laser Diode (LD) Analog I System M.
~ Vo Vs Vin at Specified Optical Carrier Power Levels, Po.
~ Determination of Vin (max) at Specified Po for Distortion-free Vo. 
~ Design and Evaluation of Laser Diode LD Digital Transmission System.
~ Risetime and Falltime Pulsewidth Distortions and Determination of Propogation Delay.
~ Transmission of Laser  through an Optical Fibre.
~ To measure loss in dB of Step-index Multimode plastic Fibre Patchcord.
~ To measure loss in dB of Graded-Index, Multimode Glass Fibre Patchcord.
~ To measure loss in dB of Two Patchcords connected by the in-line Adaptor.
~ Laser Free Space Communication.
~ Analogue Free Space Communication System.
~ Digital Free Space Communication System.
~ Determination of Numerical Aperature of PMMA Fibre Cable.

Other Apparatus Required:

~ AF/RF Generator 10Hz to 1 MHz.
~ Three Digital Multimeter.
~ Cathode Ray Oscilloscope 20MHz.