Centering and autocollimation of the aligment tool.
Projection of the green laser from the fibre input end on screen, while red laser autocollimated on ferrule.
Picking of the grin-lens (1mm diameter, 2.5mm length).
Preparation of optical glue (Epotek 301)
Puting a drop of glue in the base of the grin-lens
Inspecting the placement of the grin-lens inside the aligment tool.
Process of centering grin-lens on fibre input end.
Projection of the green laser on screen while centering
Grin-lense centered on the fibre when projection centered on screen.
Curing of the glue by heating (1 hour at 65C)
Verification of autocollimation (red laser) and centering of the grin-lens (green laser)
Close up of the grin-lens glued on fibre in ferrule.
Image of the fibre end through the mini lens
Placement of the fibre end with the mini-lens into the mirror-diaphragm support
Glueing of the fibre end and lens into the support
Leveling of the fibre-lens support
Placement of the mirror-diaphragm on its support
Projection of the fibre end on a screen by illumination of the fibre from the othe end
First try. Adjustement of position of the mirror-diaphragm on its support with the help of a photodiode by back illumiation
Centering the microscope on the image of the pupil fibre
