• Model NO.：LW-PMFC
• Core：Double Core
• Certification：RoHS, UL, CE, ISO9001, VDE, CCC
• Brand：OEM
• Sheath Material：PC
• Operating Wavelen：1270,1290 etc
• Center Wavelength Accuracy：± 0.5
• Keywords：Polarization Maintaining Filter Wdm
• Pdl (dB)：≤0.15
• Product Name：1270~1610nm Pm Filter CWDM Device
• Channel Spacing：20nm
• Pass Channel Insertion Loss：≤0.9
• Reflection Channel Insertion Loss：≤0.6
• Transport Package：Blister Box
• Specification：5.5x35mm
• Trademark：LIGHTWIT
• Origin：Shenzhen
• HS Code：85414000
• Production Capacity：3000PCS,Month

Basic Info.

Model NO. LW-PMFC Core Double Core Certification RoHS, UL, CE, ISO9001, VDE, CCC Brand OEM Sheath Material PC Operating Wavelen 1270,1290 etc Center Wavelength Accuracy ± 0.5 Keywords Polarization Maintaining Filter Wdm Pdl (dB) ≤0.15 Product Name 1270~1610nm Pm Filter CWDM Device Channel Spacing 20nm Pass Channel Insertion Loss ≤0.9 Reflection Channel Insertion Loss ≤0.6 Transport Package Blister Box Specification 5.5x35mm Trademark LIGHTWIT Origin Shenzhen HS Code 85414000 Production Capacity 3000PCS/Month

Product Description

Mini size 1270~1610nm PM Filter CWDM Device

Product Description

The Polarization Maintaining Filter CWDM are characterized with low IL, high return loss, high extinction ratio and excellent environmental stability and reliability. They are ideal for polarization maintaining fiber amplifiers, CWDM network, and high speed communication system and instrumentation applications.




 

Features

• Low Insertion Loss
• Low Excess Loss
• Low PDL
• Good Directivity
• Good environmental Stability
• Various Coupling Ratio
• Compact Size
• Standard/Flattened/Broadband/Star/Tree

Applications

 Channel add / drop
·CWDM network
·Fiber optical amplifier
·CATV Fiber Optic System

Specification

Parameter	Unit	CWDM
Operating Wavelength	nm	1270,1290 etc.
Center Wavelength Accuracy	nm	± 0.5
Channel Spacing	GHz	20nm
Channel Pass band (@-0.5dB bandwidth) Min.)	nm	>13
Pass Channel Insertion Loss	dB	≤0.9
Reflection Channel Insertion Loss	dB	≤0.6
Channel Ripple	dB	< 0.3
Pass Channel Isolation	dB	>30
Reflection Channel Isolation (Non-adjacent)	dB	>15
Extinction Ratio @ 23ºC	dB	> 20
Directivity	dB	>55
Return Loss	dB	>45
Maximum Power Handling	mW	300
Fiber Type	-	PM Panda Fiber
Operating Temperature	°C	0 ~+65
Storage Temperature	°C	-40 ~+85
Package Dimension	mm	Φ5.5 x L35

1. Above specifications are for device without connector, and the PM CWDM device is both axis working.
2. For devices with connectors, IL will be 0.3dB higher, RL will be 5dB lower and ER will be 2dB lower.
3. The PM fiber and the connector key are aligned to the slow axis and fast axis is blocked.


Order Information
 

1	2	3	4	5
Wavelength	R- Wavelength	Pigtails Diameter	Fiber Length	Connector
1270: 1270nm 1290: 1290nm   … 1590: 1590nm 1610: 1610nm	A: 1270~1610 B: 1270~1450 C: 1470~1610	25:250μm bare fiber 90:900μm Loose Tube XX: Others	05:0.5m 10:1.0m 15:1.5m XX: Others	00:None FP: FC/PC FA: FC/APC SP: SC/PC SA: SC/APC LP: LC/PC LA: LC/APC XX: Others

If you need to customize other specifications, please provide detailed description for your requirement.