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CWDM Module (4/8 Channels)

The CWDM Module (4/8 Channels) has low insertion loss, low PDL and high isolation.

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Product Detail

The Coarse WDM Module is expanding the bandwidth of Metro/Access Networks. The 4 channel and 8 channel CWDM modules are based on Coarse Wavelength Division Multiplexer devices. They can act as MUX/DEMUX with 20 nm channel spacing. It has low insertion loss, low PDL, high isolation and good thermal stability.

Specifications
Parameter	Unit	4 Channels	8 Channels
Operating Wavelength Range	nm	Half Band: 1460 - 1620 or Full Band: 1260 - 1620
Center Wavelength	nm	1511, 1531, 1551, 1571	1471, 1491, 1511, 1531
Center Wavelength	nm	or specified	1551, 1571, 1591, 1611
Min. 0.5 dB Pass Bandwidth	nm	13	13
Max. Insertion Loss	dB	2.0	3.5
Min. Adjacent Ch. Isolation (Mux)	dB	N/A	N/A
Min. Adjacent Ch. Isolation (Demux)	dB	25	25
Min. Return Loss	dB	50	50
Min. Directivity	dB	50	50
Max. Polarization Dependent Loss	dB	0.1	0.1
Max. Polarization Mode Dispersion	ps	0.2	0.2
Thermal Stability	dB/℃	0.005	0.005
Max. Optical Power	mW	300	300
Fiber Type	-	SMF-28 fiber	SMF-28 fiber
Operating Temperature	℃	- 5 to + 70	- 5 to + 70
Storage Temperature	℃	- 40 to + 85	- 40 to + 85
Package Dimensions	mm	10×80×9.5	133×95×9.5

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