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Name:
film WDM Filter ( 980 1310 1480 1550nm )
Class:
WDM / WDM Filter
Type:
film WDM Filter ( 980/1310/1480/1550nm )
980nm 1310nm 1480nm 1550nm film WDM Filter Specification
the filter wavelength division multiplexer series are based on environmentally stable thin film filters technology. the devices combine or separate light at different wavelength in a wide wavelength range. they offer very low insertion loss, low polarization dependence, high isolation and excellent environmental stability. high power handling capability can be achieved through unique pigtail processing and high quality ar coating. these components have beed extensively used in edfas, raman amplifier, wdm networks and fiber optics instrumentation.
performance specifications
parameters
unit
values
pass band
wavelength range
nm
1270-1350
(1530-1600)
1450-1490
(1530-1580)
1500-1520
(1530-1570)
950-1010
(1500-1600)
typ.insertion loss
db
0.4
0.4
0.5
0.5
max. insertion loss
db
0.6
0.6
0.7
0.7
typ. isolation
db
35
30
35
35
min. isolation
db
30
25
30
30
reflection band
wavelength range
nm
1530-1600
(1270-1350)
1530-1580
(1450-1490)
1530-1570
(1500-1520)
1500-1600
(950-1010)
min. return loss
typ. insertion loss
db
0.3
max. insertion loss
db
0.5
typ. isolation
db
15
min. isolation
db
12
db
>=50
max. pdl
db
0.1
typ. pdl
db
0.05
thermal stability
db/¡ã c
<=0.005
max. optical power
mw
300
max. tensile load
n
5
fiber type
smf-28 fiber
hi 1060 fiber for pump
channel(two ports)
operating temperature
¡ã c
-5 to +70
storage temperature
¡ã c
-40 to +85
*above specifications are for device without connector.
*for devices with connectors, il will be 0.3db higher, rl will be 5db lower.
b - 250um bare fiber l - 900um loose tube s - specify
1 - 1.0 m s - specify
* smf-28 is used for 1550nm interface and hi 1060 is used for 980nm channel
**
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980nm 1310nm 1480nm 1550nm film WDM Filter
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