980/1550
(1585)
nm WDM/T Coupler/
ap
Isolator Hybrid Combination
WTIH1598 Series
Product Description
Oplink’s WTIH is a combination of a wavelength division multiplexer, tap coupler
and an isolator in a compact package. This product has an extremely low inser-
tion loss, and a very stable tap-coupling ratio. Fiber optic amplification is the ideal
application for this product.
Oplink can provide customized designs to meet specialized feature applications.
Also, Oplink offers modular assemblies that integrate other components to form
a full function module or subsystem.
Performance Specificationns
WTIH1598 Series
Single Stage
Dual Stage
Unit
Operating Wavelength Range
Signal Channel
Pump Channel
Signal Port
Pump Port
1% Tap Ratio
Tap
Port
2% Tap Ratio
5% Tap Ratio
10% Tap Ratio
C band : 1528 ~ 1564 or
L band : 1570 ~ 1605
965 ~ 995
< 1.4
< 0.6
19.2 ~ 21.0
16.2 ~ 18.0
12.2 ~ 14.0
9.6 ~ 10.8
< 0.5
> 30
< 0.5
< 1.5
nm
nm
dB
Features
Insertion Loss
[1]
Wide Operating Wavelength Range
dB
Compact Size
High Isolation
Ultra Low PDL & PMD
High Stability & Reliability
Epoxy-free Optical Path
Wavelength Dependent Loss
Wavelength Isolation
Signal to Common
dB
dB
Signal to Common @ Pump
Wavelength Range
Pump to Common @ Signal
Wavelength Range
Common to Signal
> 12
> 21
< 0.1
< 0.25
≥ 55
≥ 50
≤ 500
0 to +70
-40 to +85
> 36
< 0.2
< 0.05
dB
dB
ps
dB
dB
mW
°C
°C
Reverse Direction Isolation
(over signal wavelength range,
0~70°C, all SOP)
Polarization Dependent Loss
Polarization Mode Dispersion (standard)
Directivity
Return Loss
Maximun Power Handling
Operating Temperature
Storage Temperature
Fiber Type
Package Dimension
[3]
Signal & Tap Ports
Common & Pump Ports
Applications
Fiberoptic Amplifiers
CATV Fiberoptic Links
WDM Systems
Fiberoptic Instruments
Transmitters and Fiber Lasers
Laboratory R&D
Corning SMF-28
Corning HI1060
P2 : (Ø) 5.5 x (L) 40.0
mm
Values are referenced without connector loss
[1]
The maximum IL is under all states of polarization and within the full operating temperature and wavelength
ranges specified. Add 0.3dB on signal port IL for 10% tapping case.
[2]
All the parameters are excluding connectors.
[3]
The mechanical tolerance should be +/-0.2mm on all package dimensions unless otherwise custom specified.
S0081 - R12. (web) 20130114
980/1550(1585)nm WDM/TAP Coupler/
Isolator Hybrid Combination
WTIH1598 Series
Mechanical Drawing / Package Dimensions (dimension in mm)
40.0mm
SIGNAL
COMMON
COMMON
SIGNAL
Ø5.5mm
TAP
PUMP
TAP
PUMP
46335 Landing Pkwy Fremont, CA 94538 Tel: (510) 933-7200 Fax: (510) 933-7300 Email: Sales@Oplink.com • www.oplink.com
Ordering Information
Oplink can provide a remarkable range of customized optical solutions. For detail, please contact Oplink’s OEM
design team or account manager for your requirements and ordering information (510) 933-7200.
WTIH
1
9
8
2
Wavelength
1550/980nm = 1598
1585/980nm = 1698
Tap Ratio
1% = 01
2% = 02
5% = 05
10% = 10
Fiber Length
0.5 meter = H
1.0 Meter = 1*
1.5 Meters = 5
2.0 Meters = 2
Connector Type
None = 1
FC/PC = 2
FC/SPC = 3
FC/APC = 4
SC/PC = 5
SC/SPC = 6
SC/APC = 7
ST = 8
LC = 9
MU = A
Stage
Single Stage = S
Dual Stage = D
Package & Fiber Jacket Type
P2 + 250μm bare fiber = 21
P2 + 900µm loose tube = 22
* The tolerance of fiber length is +/-0.1m. 1 meter is standard.
The lead-time for special fiber length will be longer.
S0081 - R12. (web) 20130114
Product Lines:
Mux/Demux
Switching/Routing
Coupling/Splitting
Monitoring/Conditioning
Amplification
Interconnect
Transmission
HFC/RoF Subsystem
MCU
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