The FOL-PHYSICS: Physics of Fiber Optic Lab is a complete educational platform designed to explore fundamental optical fiber physics, including waveguide construction, mode propagation, and optical coupling principles. Equipped with a He-Ne laser source, precision fiber couplers, power measurement instruments, optical breadboard, and multiple single-mode and multimode fibers, the system enables a wide range of fiber-optic characterization experiments.
This laboratory is designed to study the physics of fiber optics.
It deals with the study of various important characteristics of optical fiber cable like numerical aperture, V number, attenuation, coupling loss and mode field diameter.
Physics of Fiber Optic System laboratory has the following components required to complete a series of experiments. This System is supplied as SET
This system consist of the following
He-Ne laser source with 2mW output power at 633.5 nm wavelength along with LASERHolder
Laser to fiber coupler with Lens adjustment facility to adjust beam into core of fiber, Coupling Efficiency of >70% for SM fibers and > 90% for MM fibers, Wavelength of operation 180 to 2000 nm, Power Handling capacity more than 1 watt.
Laser to Fiber Coupler for Bare Fiber with X-Y-Z Positioners.
Laser power meter with separate Sensor unit with stand and separate display unit, Power measurement range upto 40mW, Wavelength of operation 400 to 1100 nm and calibrated to 633nm
Optical Breadboard with Dimension of 60cm X 60cm.
X-Y-Z Fiber Positioners and Rotary stage with angle rotation of isteps better than 1/2 degree
Optical Fiber Cable of length 1 Km , 500 Mts and 100 Mts .
Optical patchchords and accessories required for experimentation purpose:
9 /125 micron single mode glass fiber patchchord
62.5 /125 micron multimode glass fiber patchchord
100/140 micron multimode glass fiber patchchord
Display screen
Mode Observation
Measurement of coupling loss of an optical fiber
Measurement of numerical aperture and calculation of V-Number of an end prepared optical fiber.
Measurement of attenuation of an optical fiber by cut-back method
Calculation and measurement of far field pattern of an optical fiber as a function of angle to find the Mode Field Diamter of the Fiber
