980/1550 nm WDM/Tap Coupler/Isolator Hybrid Combination

AC Photonics’sWTIH is a combination of a wavelength division multiplexer, tap coupler and an isolator in a compact package. This product has an extremely low insertion loss, a very stable tap-coupling ratio, high isolation, and hight return loss. The WTIH is ideal for fiber optic amplifier applications.

All AC Photonics' products are Telcordia qualification tested.

Features		Applications
Wide Operating Wavelength Range Compact Size Low Insertion Loss High Channel Isolation Ultra Low PDL & PMD High Stability and Reliability Epoxy Free Optical Path		Fiberoptic Amplifiers CATV Fiberoptic Links WDM Systems Fiberoptic Instruments Transmitters and Fiber Lasers Laboratory R&D

Performance Specifications

Parameter		Single Stage	Dual Stage
Signal Operation Wavelength Range (nm)	C band	1528~1564
	L band	1570~1605
Pump Channel Wavelength Range (nm)		965~1000
Isolation (dB) ( @23°C, all SOP)		> 31	> 45
Isolation (dB) (2 to 4 @ l signal)		> 12
Isolation (dB) (1 to 2 @ l pump)		> 30
Insertion Loss (over wavelength range and 0 to +70°C, all SOP) (dB)	Pump Channel	< 0.6
	Signal Channel	< 1.3	< 1.4
	Nominal Tap Ratio 1%	19.0~20.8
	Nominal Tap Ratio 2%	16.2~18.0
	Nominal Tap Ratio 5%	12.2~14.0
Wavelength Dependent Loss (Max.) (dB)		< 0.5
Polarization Dependent Loss (dB)		< 0.10
PMD (ps) (Low PMD Option)		< 0.25(0.05)	< 0.05
Directivity (dB)		> 55
Return Loss (dB)		> 50
Power Handling (mW)		300
Operating Temperature (°C)		0 ~ +70
Storage Temperature (°C)		-40 ~ +85
Package Dimensions (mm)		Ø 5.5 x L38
Fiber Type		Corning Flexcor 1060 fiber at common/pump port
		Corning SMF-28 fiber at signal/tap port

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Values are referenced without connector loss; Specifications may change without notice.

Ordering Information

WTIH
	Wavelength	Stage	Tap Ratio	Pigtail Style	Fiber Length	In/Out Connector
	59=1550/980nm 69=1585/980nm	S=Single Stage U=Dual Stage	1=1% 2=2% 5=5% etc	1=Bare Fiber 2=900um Jacket	1=1m 2=1.5m	0=None 1=FC/APC 2=FC/PC 3=SC/APC 4=SC/PC 5=ST 6=LC