OPLINK Communications, Inc. 3475 North First St. San Jose, CA 95134-1803 Tel:(408)433-0606 Fax:(408)433-0608 Email: Sales@Oplink.com
Features
• Wide Operating
Wavelength Range
• Compact Size
• High Isolation
• Ultra Low PDL & PMD
• Highly Stable & Reliable
• Epoxy-Free Optical Path
Applications
• Fiber Amplifiers
• CATV Fiberoptic Links
• WDM Systems
• Fiberoptic Instruments
• Transmitters and
Fiber Lasers
• Laboratory R & D
OPLINK WTIH’s is a combination of a wavelenth division multiplexer, tap coupler
and isolator in a compact package. This product has an extremely low insertion
loss, and a very stable tap coupling ratio. It is ideal for fiberoptic amplifier
applications.
Performance Specifications
WTIH-54 Series* Single Stage Dual Stage
Signal Channel Wavelength Range (nm) 1530 - 1565
Pump Channel Wavelength Range (nm) 1450 - 1493
Insertion Loss (dB) Pump Channel < 0.6
(over all wavelength range Signal Channel < 0.8 < 1.0
0 to +70oC, all SOP) Tap Channel see Tap ratio table on next page
Insertion Loss Variation (dB) Signal Channel < 0.3 < 0.4
(over all wavelenth range and all SOP) Tap Channel < 0.2
Isolation (dB)
(over wavelength 1535-1565 nm > 31 > 45
and at 23oC, all SOP)
Return Loss (dB) > 55
Polarization Dependent Loss (PDL) (dB) < 0.1
Polarization Mode Dispersion (PMD) (ps) < 0.25 <0.05
Directivity (dB) > 60
Maximum Power Handling (mW) 300
Maximum Tensile Load (N) 5
Operating Temperature (oC) 0 to + 70
Storage Temperature (oC) - 40 to + 85
Package Dimension (mm) P2: (φ)5.5 x (L)40
Values are referenced without connector loss
* In WTIH-54 series, the signal and pump are co-propagating.
WTIH54/000104.R09
WDM/Tap Coupler/Isolator Hybrid
WTIH-54 Series 1480/1550 nm
OPLINK Communications,Inc. 3475 North First St. San Jose, CA 95134-1803
Tel:(408)433-0606 Fax:(408)433-0608 Email: Sales@Oplink.com
Wavelength: Fiber Length: Connector:
1480/1550 nm = 54 Special = 0 Special = 0
1 Meter = 1 None = 1
FC/PC = 2
Stage: Package Type: Fiber Type: FC/SPC = 3
Single Stage = 1 P2 (900µm Loose Tube) = 2 250µm SMF-28 = 1 FC/APC = 4
Dual Stage = 2 P3 (250µm SMF-28) = 3 900µm Loose Tube = 2 SC/PC = 5
SC/SPC = 6
Tap Ratio: SC/APC = 7
1 % = 1 ST = 8
: LC = 9
5 % = 5
etc.
Package Dimensions: Configuration:
Unit: mm
COMMON PASS
PUMP
TAP
4
12
3
P2
2
PASS
PUMP
3
1
COMMON
45.0
40.0
Ø5.5
P3
Ø5.5
40.0
PUMP
4
PASS
2
COMMON
1
3
TAP
4
PUMP
Ordering Information
Standard Oplink WTIH are specified below with appropriate part number options. If you require devices different than these standard
devices, please contact our local Oplink Distributor, Sales Representative, or Factory Customer Service for ordering and price informa-
tion.
Coupler Tap Ratio Tolerance:
% dB
1 + 0.2 -19.2 ~ -21.0
2 + 0.4 -16.2 ~ -18.0
3 + 0.6 -14.4 ~ -16.2
4 + 0.8 -13.2 ~ -14.9
5 + 1.0 -12.2 ~ -14.0
WTIH54/000104.R09
WTIH 5 4
