Fiber Optics
Passive Components
Collimation Packages
FiberBench
Optical Switches
Rackbox Systems
Connectors/
Termination Tools
Single Mode Fiber
Rare Earth Doped
Polarization
Maintaining Fiber
Photonic
Crystal Fiber
Multimode Fiber:
Graded Index
Multimode Fiber:
Step Index
Plastic Optical Fiber
Large-Mode-Area (LMA) Matching Passive Fibers
Thorlabs offers a range of passive large-
mode-area (LMA) fibers matched with
available active LMA fibers such as Liekki’s
YB1200 product family. These passive fibers
are matched to the core diameters and
numerical apertures of their active
counterparts to maintain excellent beam
quality throughout fiber laser or amplifier
systems. The outer cladding diameter is
designed to “round” the shaped active fibers
in order to achieve a low coupling loss when
matching passive to active fibers. The passive
fibers are coated with low-index
fluoroacrylate, enabling active fibers to be
pumped through them. High-index acrylate
coated fibers are available by special request;
please contact us for details.
£
£
£
£
£
£
£
£
£
£
£
£
£
6.75
5.25
4.25
9.90
7.55
6.00
34.35
26.05
20.85
29.30
22.35
17.85
€
€
€
€
€
€
€
€
€
€
€
€
€
9,95
7,75
6,30
14,65
11,10
8,90
50,70
38,45
30,80
43,25
32,95
26,35
¥
¥
¥
¥
¥
¥
¥
¥
¥
¥
¥
¥
RMB
102.20
79.75
64.45
150.40
114.10
91.20
520.50
394.90
316.10
444.10
338.55
270.75
PM passive fibers are matched to the
core size and NA of their matching
active fibers.
Non-PM passive fibers are matched
to the core size and NA of their
matching active fibers and fit within
their octagonal cladding.
Price Schedule – Matching Passive Fiber
ITEM#
P-10/123DC
PRICE/m
1
1 to 9m
10 to 49m
50+m
1 to 9m
10 to 49m
50+m
1 to 9m
10 to 49m
50+m
1 to 9m
10 to 49m
50+m
$
$
$
$
$
$
$
$
$
$
$
$
$
10.70
8.35
6.75
15.75
11.95
9.55
54.50
41.35
33.10
46.50
35.45
28.35
Applications
■
■
■
■
P-20/123DC
P-20/390DC
Pigtails for Fiber Lasers and Amplifiers
All-Fiber Subassemblies
High-Brightness Power Delivery
Fiber Based Components for Fiber
Lasers (e.g. Pump Combiners)
P-25/240DC
1) Call for quantities over 250m.
Features
■
$
$
$
$
$
$
$
$
$
$
50.90
41.65
33.10
250.00
190.05
152.05
225.00
170.95
136.80
£
£
£
£
£
£
£
£
£
£
32.05
26.25
20.85
157.50
119.75
95.80
141.75
107.70
86.20
€
€
€
€
€
€
€
€
€
€
47,35
38,75
30,80
232,50
176,75
141,40
209,25
159,00
127,20
¥
¥
¥
¥
¥
¥
¥
¥
¥
RMB
486.10
397.75
316.10
2,387.50
1,815.00
1,452.10
2,148.75
1,632.55
1,306.45
■
■
■
■
■
Price Schedule – Matching Passive PM-Fiber
ITEM#
P-10/123DC-PM
PRICE/m
1
1 to 9m
10 to 49m
50+m
1 to 9m
10 to 49m
50+m
1 to 9m
10 to 49m
50+m
P-20/390DC-PM
P-25/240DC-PM
1) Call for quantities over 250m.
Matching With Industry Standard Active
Fiber Geometries 125, 250, and 400µm
Designed to “Fit-in” Octagonal Active
Fibers
Low Signal And Pump Coupling Losses
From Passive to Active Fiber
Round Cladding for Easy Cleaving,
Splicing, and Handling
Low-Index Fluoroacrylate Coating
With >0.46 NA
Excellent Beam Quality and Matching to
LMA Fibers
Matching Fiber
ITEM#
P-10/123DC
P-20/123DC
P-20/390DC
P-25/240DC
CORE
10 ± 1µm
20 ± 2µm
20 ± 2µm
25 ± 2.5µm
CLADDING
123 ± 2µm
123 ± 2µm
390 ± 8µm
240 ± 5µm
COATING
245 ± 15µm
245 ± 15µm
500 ± 15µm
350 ± 15µm
CORE NA
0.07 ± 0.01
0.07 ± 0.01
0.07 ± 0.01
0.07 ± 0.01
CLADDING NA
>0.46
>0.46
>0.46
>0.46
PROOF TEST
>100 kpsi
>100 kpsi
>50 kpsi
>100 kpsi
MATCHING
ACTIVE FIBER
YB1200-10/125DC
YB1200-20/125DC
YB1200-20/400DC
YB1200-25/250DC
PAGE
NUMBER
1066
1066
1066
1066
Matching PM-Fiber
ITEM#
CORE
CLADDING
123 ± 2µm
390 ± 8µm
240 ± 5µm
COATING
245 ± 15µm
500 ± 15µm
350 ± 15µm
CORE
NA
0.08 ± 0.01
0.07 ± 0.01
0.07 ± 0.01
CLADDING
NA
>0.46
>0.46
>0.46
BIREFRINGENCE
1.4 x 10
-4
1.4 x 10
-4
1.2 x 10
-4
PROOF
TEST
>100 kpsi
>50 kpsi
>100 kpsi
MATCHING
ACTIVE FIBER
YB1200-10/125DC-PM
YB1200-20/400DC-PM
YB1200-25/250DC-PM
PAGE
NUMBER
1068
1068
1068
P-10/123DC-PM 10 ± 1µm
P-20/390DC-PM 20 ± 2µm
P-25/240DC-PM 25 ± 2.5µm
1072
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