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| Part NO. : | DCFBG-series |
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Wedge-shaped lensed fiber
Description
It is mainly used for PUMP lasers with a
coupling efficiency of over 75%.
Features
Wedge-shaped lensed fiber is produced by
finishing the fiber end face to be wedge-shaped with precise finish equipment
of Chuxing; and then optical micro-column lens is produced on its cusp with
special processing procedure with the purpose of making the overall shape of
fiber facula elongated to match facula of PUMP laser so as to reach higher
coupling efficiency. Especially for the thin and long facula laser, the
coupling efficiency is higher than 70%.
Light beam analysis photograph
Outline schematic diagram
Lens working schematic diagram 
Specifications
|
Product parameters |
|
|
Fiber mode |
Single-mode /
multimode fiber |
|
Taper angle θ |
θ=50~55°(standard) |
|
Radius of lens r |
4～20μm(standard) |
|
A Naked fiber length at the end |
≥0.1mm(standard), or customer requirements±0.2mm |
|
B Length of metalized part |
Customer requirements±0.5mm |
|
C Length of naked fiber at the root |
0mm(standard), or customer requirements±0.5mm |
|
D Total length of stripped fiber |
Customer requirements±0.5mm |
|
Total fiber length |
Customer requirements+0.5m |
|
Coating thickness |
3～4μm(standard)or 1～10μm(customer requirements ) |
|
Thickness of gold-coated layer |
Not less than 0.1μm |
|
Coated layer tension |
>10N （Conditions: Idealphotonics hot solder resist process） |
|
Operating Temperature |
-40～+85℃ |
|
Recommended soldering temperature |
280～300℃ |
|
Recommended soldering flux |
80%Au/20%Sn |
|
Coated membrane on the end face |
It can be coated according to customer requirements |
|
Connector type |
FC, SC or customer requirements |
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10um series of optical fiber |
10um series of optical fiber |
10um series of optical fiber |
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