2 μm Polarization Maintaining Filter WDM

The 2 μm Filter Wavelength Division Multiplexer series is based on environmentally stable thin film filter technology. The devices combine or separate light at different wavelengths 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.

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Product Detail

Key Features	Applications
Low Insertion Loss	Fiber Sensing
Low Polarization Dependent Loss	EDFA

Specifications

Parameter	Unit	Value
Pass Band Wavelength Range	nm	1950 - 2050
Typ. Insertion Loss	dB	0.6
Max. Insertion Loss	dB	0.8
Typ. Isolation	dB	30
Min. Isolation	dB	25
Reflection Band Wavelength Range	nm	1560 - 1580
Typ. Insertion Loss	dB	0.6
Max. Insertion Loss	dB	0.8	1.3
Typ. Isolation	dB	15
Min. Isolation	dB	12
Min. Return Loss	dB	50
Max. Polarization Dependent Loss	dB	0.2
Typ. Polarization Dependent Loss	dB	0.1
Thermal Stability	dB/℃	0.005
Max. Optical Power (Continuous Wave)	mW	300
Max. Tensile Load	N	5
Fiber Type	-	SMF-28 Fiber (All Ports)	SMF-28 Fiber for Reflect Port and
	-	or SM1950 Fiber (All Ports)	SM1950 Fiber for Common & Pass Port
Operating Temperature	℃	- 5 to + 70
Storage Temperature	℃	- 40 to + 85

¹IL is 0.3 dB higher, RL is 5 dB lower, and ER is 2 dB lower for each connector added. Connector key is aligned to slow axis.

WDM/Filter

2 μm Polarization Maintaining Filter WDM

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