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Low PDL 1x2 1490nm Optical Fiber Coupler Three Window

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Low PDL 1x2 1490nm Optical Fiber Coupler Three Window

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Brand Name :	UNIFIBER
Model Number :	Three-Window Optical Fiber Coupler Splitter
Certification :	ROHS
Price :	Negotiable
Payment Terms :	L/C, T/T, Western Union
Supply Ability :	1000pcs/day
Delivery Time :	5~7 Business days

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Product Details
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Low PDL 1x2 1490nm Optical Fiber Coupler Three Window

Low PDL 1x2 1310nm/1490nm/1550nm Three-Window Optical Fiber Coupler Splitter

1x2 1310nm/1490nm/1550nm Three-Window Optical Fiber Coupler Splitter Built by asymmetric coupling technique, TWC operating bandwidth is expanding to 1310nm, 1490nm and 1550nm three communication windows. The TWC coupler has the same coupling ratio on 1310, 1490 and 1550nm communication windows, with low excess loss and low PDL. TWC is widely used for communication systems, CATV, FTTH, where multiple optical signals pass through single fiber.

Features
Low excess

loss Low PDL

High stability and reliability

Application
CATV
Optical communication systems
Testing instruments

Specifications

Grade		P	A
Parameter		P	A
Operating wavelength (nm)		1310,1490 and 1550
Operating bandwidth (nm)		1310 ± 40,1490 ± 10 and 1550 ± 40
Typical excess loss (dB)		0.07	0.1
Insertion loss (dB)	50/50	≤3.6	≤3.8
	45/55	≤4.2/3.2	≤4.4/3.4
	40/60	≤4.7/2.7	≤4.9/2.9
	35/65	≤5.4/2.4	≤5.7/2.6
	33/67	≤5.7/2.2	≤6.0/2.4
	30/70	≤6.0/1.9	≤6.3/2.1
	25/75	≤7.0/1.7	≤7.3/1.9
	20/80	≤7.9/1.3	≤8.4/1.4
	15/85	≤9.5/1.0	≤10.0/1.2
	10/90	9.20~11.00/≤0.75	8.80~11.40/≤0.8
	5/95	12.05~14.20 /≤0.4	11.55~14.65/≤0.5
	3/97	14.10~16.50/≤0.35	13.60~17.05/≤0.45
	2/98	15.60~18.55/≤0.3	15.00~19.20/≤0.4
	1/99	18.45~21.70/≤0.25	17.80~22.40/≤0.35
PDL (dB)		≤0.15	≤0.20
Directivity (dB)		≥55
Operating temperature (℃)		-40 ~ +85

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