US6349159 Lenses that launch high bandwidth modes into a fiber optic cable while eliminating feedback to a laser
Cited prior art · John Julian Uebbing, Yew Tai Chieng and 1 more · United States · 2002
a point source used to couple light generated by an emitting Surface 76 of laser. Page 17 S 6 In FIG. 10, the location of the hyperbolic collimating