Name: TFF 1310/1490/1550nm FWDM
Brand: T&S Communication Co, Ltd.

T&S FWDM Device is a product that can customize the transmission band or the reflection band within the wavelength range of 1260-1680nm; it can achieve transmission or reflection function in the three optical communication windows of 1310, 1490, and 1550; it has low insertion loss, polarization-dependent loss, high isolation; stable wavelength thermal stability.

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TFF 1310/1490/1550nm FWDM Specification Download

Features of TFF 1310/1490/1550nm FWDM

Automatic Optical alignment
Optical path epoxy free
Low insert loss & high isolation
Telcordia GR-1221-Core qualified
RoHS compliant

Applications of TFF 1310/1490/1550nm FWDM

PON System
FTTx Network
CATV System

Specifications of TFF 1310/1490/1550nm FWDM

Parameter		Unit	Specification
			FWDM3/45	FWDM45/3	FWDM35/4	FWDM5/34
Operating Wavelength	Transmission	nm	1490±10	1310±40	1490±40	1310±40
		nm	1550±10			1490±10
	Reflection	nm	1310±40	1490±10	1310±40	1550±10
		nm		1550±10	1550±10
Transmission Port	Insertion Loss	dB	≤0.6(Typical 0.4)
	Isolation	dB	≥40
Reflection Port	Insertion Loss	dB	≤0.4(Typical 0.3)
	Isolation	dB	≥15
Return Loss		dB	≥45
Insertion Loss Thermal Stability		dB/℃	≤0.005
Polarization Dependent Loss		dB	≤0.10
Polarization Mode Dispersion		Ps	≤0.10
Directivity		dB	≥45
Power Handling		mW	300
Operating Temperature		℃	-5 ~ +70
Storage Temperature		℃	-40 ~ +85
Package Dimension		mm	Φ5.5x34 for 250μm bare fiber , Φ5.5x38 for 900μm loose tube