Fiber
1 x 2 Multimode Couplers
Thorlabs offers a selection of 1 x 2 multimode (MM) fiber
couplers, manufactured using industry standard 50/125 µm
graded-index and 62.5/125 µm graded-index fibers. These
couplers offer low insertion loss and excellent environmental
PARAMETER
Fiber
Center Wavelength
Coupling Ratio
FCMM50
50/125 µm
Graded Index
FCMM625
62.5/125 µm
Graded Index
CHAPTERS
M
and mechanical stability. They are stocked with and without
2.0 mm narrow key FC/PC connectors. Other connector styles
are available as a custom request; please contact tech support for
a quote. Each coupler is bidirectional.
Fiber Patch
Cables
Bare Fiber
Fiber
Optomechanics
Fiber
Components
Test and
Measurement
SECTIONS
M
Collimators
Couplers
Insertion Loss
Directivity
Ports
Operating Temperature
850 ± 40 nm
50:50
90:10
99:1
4.0/4.0 dB (50:50)
12.0/1.5 dB (90:10)
22.8/0.8 dB (99:1)
>35
dB
1x2
-40 to 85 ºC
20 to 70 ºC (with connectors)
$
$
$
$
$
$
$
$
$
$
$
$
$
82.00
122.00
82.00
122.00
82.00
122.00
82.00
122.00
82.00
122.00
82.00
122.00
£
£
£
£
£
£
£
£
£
£
£
£
£
59.04
87.84
59.04
87.84
59.04
87.84
59.04
87.84
59.04
87.84
59.04
87.84
€
€
€
€
€
€
€
€
€
€
€
€
€
71,34
106,14
71,34
106,14
71,34
106,14
71,34
106,14
71,34
106,14
71,34
106,14
¥
¥
¥
¥
¥
¥
¥
¥
¥
¥
¥
¥
RMB
653.54
972.34
653.54
972.34
653.54
972.34
653.54
972.34
653.54
972.34
653.54
972.34
CONNECTORS
None
FC/PC
None
FC/PC
None
FC/PC
None
FC/PC
None
FC/PC
None
FC/PC
FCMM625-50A
WDMs
RGB Combiner
Circulators
ITEM #
FCMM50-50A
FCMM50-50A-FC
FCMM50-90A
FCMM50-90A-FC
FCMM50-99A
FCMM50-99A-FC
FCMM625-50A
FCMM625-50A-FC
FCMM625-90A
FCMM625-90A-FC
FCMM625-99A
FCMM625-99A-FC
DESCRIPTION
1 x 2, 50/125 µm MM Fiber Coupler, 50:50
1 x 2, 50/125 µm MM Fiber Coupler, 50:50, FC/PC
1 x 2, 50/125 µm MM Fiber Coupler, 90:10
1 x 2, 50/125 µm MM Fiber Coupler, 90:10, FC/PC
1 x 2, 50/125 µm MM Fiber Coupler, 99:1
1 x 2, 50/125 µm MM Fiber Coupler, 99:1, FC/PC
1 x 2, 62.5/125 µm MM Fiber Coupler, 50:50
1 x 2, 62.5/125 µm MM Fiber Coupler, 50:50, FC/PC
1 x 2, 62.5/125 µm MM Fiber Coupler, 90:10
1 x 2, 62.5/125 µm MM Fiber Coupler, 90:10, FC/PC
1 x 2, 62.5/125 µm MM Fiber Coupler, 99:1
1 x 2, 62.5/125 µm MM Fiber Coupler, 99:1, FC/PC
Fiber Isolators
Faraday Mirrors
Fiber Attenuators
Polarization
Controllers
Optical Switches
Mating Sleeves
Terminating
Connectors
Termination
1 x 4 Single Mode Fiber Couplers
Thorlabs offers single mode 1 x 4 fiber couplers with center wavelengths
of 632, 1064, and 1310/1550 nm. These couplers evenly split the input
light, resulting in a 25:25:25:25 split ratio with a ±1.5% tolerance on each
leg. Our advanced design allows the couplers to have low excess loss. Each
coupler features 2.0 mm narrow key FC/PC or FC/APC connectors.
PARAMETER
FCQ632
FCQ1064
FCQ1315
Center Wavelength
632 nm
1064 nm
1310/1550 nm
Bandwidth
±15 nm
±15 nm
±40 nm
Coupling Ratio
25:25:25:25
25:25:25:25
25:25:25:25
Insertion Loss
8.5 dB
7.2 dB
6.2 dB
Excess Loss (Typical)
1.2 dB
0.35 dB
0.15 dB
PDL
<0.3
dB
<0.3
dB
<0.3
dB
Operating Temp.
-40 to 85 °C
-40 to 85 °C
-40 to 85 °C
Fiber Type
SM600 or Equivalent
HI1060 FLEX
SMF-28e+
Fiber Length
0.8 m
Connectors
FC/PC or FC/APC
Package Dimensions
100 mm x 80 mm x 10 mm
Mounting
4x M2 (2.835" x 2.5")
FCQ632-FC
ITEM #
FCQ632-FC
FCQ632-APC
FCQ1064-FC
FCQ1064-APC
FCQ1315-FC
FCQ1315-APC
$
$
$
$
$
$
$
490.00
540.00
410.00
460.00
199.00
249.00
£
£
£
£
£
£
£
352.80
388.80
295.20
331.20
143.28
179.28
€
€
€
€
€
€
€
426,30
469,80
356,70
400,20
173,13
216,63
¥
¥
¥
¥
¥
¥
RMB
3,905.30
4,303.80
3,267.70
3,666.20
1,586.03
1,984.53
CONNECTORS
FC/PC
FC/APC
FC/PC
FC/APC
FC/PC
FC/APC
DESCRIPTION
1 x 4 Single Mode Fiber Coupler, 632 nm, FC/PC
1 x 4 Single Mode Fiber Coupler, 632 nm, FC/APC
1 x 4 Single Mode Fiber Coupler, 1064 nm, FC/PC
1 x 4 Single Mode Fiber Coupler, 1064 nm, FC/APC
1 x 4 Single Mode Fiber Coupler, 1310/1550 nm, FC/PC
1 x 4 Single Mode Fiber Coupler, 1310/1550 nm, FC/APC
www.thorlabs.com
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