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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