G - Physics – 02 – B
Patent
G - Physics
02
B
G02B 7/02 (2006.01) G02B 6/26 (2006.01) G02B 6/42 (2006.01) H01S 5/40 (2006.01) G02B 6/36 (2006.01) H01S 5/00 (2006.01)
Patent
CA 2313357
A microlens holder for supporting at least one microlens in alignment with a light source is described. Each of the microlenses has a radius and a back focal length varying linearly with the radius. The microlens holder includes a base having at least one V-groove therein for receiving the at least one microlens, each of the V-grooves having a pair of side walls, both side walls being tilted by an angle .theta. relative to the plane of the emitting light source. The value is defined by the relationship cos(.theta.) _ ( 1 + k)-1, where k is a positive constant factor associated with the at least one microlens. The microlens holder allows auto-focussing of the light source, independently of the exact diameter of the microlenses mounted in the holder. The optical alignment of the microlenses is made easier as well.
Bonnier Deni
Grenier Paul
Labranche Bruno
Parent Andre
Institut National D'optique
Robic
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