The fiber couplers allow a direct diode fiber coupling of single emitters with only one lens element. The couplers consist of a monolithic glass block with two opposite crossed cylindrical surfaces and passive alignment edges. The light of the fast and slow axes is collimated by one cylindrical lens to produce a symmetrical focus.
Emitter size
[μm]
? Fiber
[μm]
Typical coupling efficiency
[%]
Data sheet
< 100
50
> 85
FC_433
< 100
62,5
> 90
FC_433
< 100
100
> 90
FC_432
< 100
200
> 85
FC_382
< 150
100
> 90
FC_434
< 200
62,5
> 70
FC_425
< 200
100
> 90
FC_425
< 200
200
> 80
FC_382
< 400
200
> 85
FC_426
< 800
400
> 90
FC_427
< 1000
600
> 85
FC_427
Monolithic fiber coupler for mini-bars
Coupling the light of multiple emitters, bars or mini-bars into an optical fibre generally requires complex optical systems with a variety of components. LIMO has developed a unique cost-effective optical solution for mini-bars which consists of one single component only.
Emitter size
[μm]
? Fiber
[μm]
Typical coupling efficiency
[%]
Data sheet
< 100
600
> 90
Monolithic FC
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