SM FBT1x12 Singlemode Dual Window coupler manufacturer from China shenzhen YB optics Co.,Ltd

SM FBT1x12 Singlemode Dual Window coupler

Place of Origin:

Guangdong, China (Mainland)


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Product Detail

Brand Name: YB

Applications Features
Low excess loss
Various coupling ratio
Compact size Long-haul telecommunications
CATV systems & Fiber sensors

FBT is a bundle of two or more fibers together and melt draw on the tapering machine, and real-time monitoring splitting ratio changes, splitting ratio to meet the requirements after the end of the melt draw, one end of an optical fiber to retain (the rest cut) as the input end and the other end is long on the road output. Our tapering process can only pull 1 × 4 or less. 1 × 4 or more devices, with more than 1 × 2 are connected together, then the whole package in the splitter box.

Tapered optical splitter features:

1. Additional low loss

2. Low polarization dependent loss

3. Good stability

4. Double working window

5. The three working window

6. wavelength high isolation

7. Small volume

8. The split ratio optional

Tapered optical splitter Application:

1. The optical fiber communication systems

2. LAN

3.CATV

4.FTTH

5. Fiber Optic Sensor

6. Measuring Instruments

Performance Specifications

Coupling Ratio(%)	1-50
Directivity (dB)	>55 dB
Operating Temperature	-20 ° C - 85 ° C
Storage Temperature	-40 ° C - 85 ° C
Fiber Type	Corning Singlemode SMF-28 , DS Fiber, or Flexcore
Fiber Pigtail Length (m)	1meter
Port Configuration	1x2 or 2x2
Package Dimension	Package A, B, C

Single mode Dual Window Wideband Couplers
Grade	P
Excess Loss (Typical )(dB)	0.10
Maximum Insertion loss (dB)	3.6
Uniformity (Max.) (dB)	0.7
Polarization Sensitivity (dB)	0.10
Operating Wavelength (nm)	1310 /1550 + 40

Coupling Ratio/Insertion Loss Conversion Chart

Coupling Ratio	Insertion Loss
	Premium	A Grade
40/60	4.7/2.7	5.0/2.9
30/70	6.0/1.9	6.4/2.1
20/80	7.9/1.2	8.4/1.4
10/90	11.3/0.5	12.7/0.8
5/95	15.2/0.4	18.5/0.5
1/99	22.5/0.3	23.0/0.4

Ordering Information

Type	Grade	Wave- length	Coupling Ratio (dB)	Port	Package	Pigtail Style	Fiber Type	In/Out Connector
S W	P A	35=1310/ 1550nm 36=1310/ 1585nm	50=50/50 30=30/70 10=10/90 05=5/95 01=1/99	0102=1x2 0202=2x2	A=Package A B=Package B C=Package C	0=Bare Fiber 1=900µm Jacket 2=2mm Cable 3=3mm Cable	0=SMF-28 D=DS Fiber	0=None 1=FC/APC 2=FC/PC 3=SC/APC 4=SC/PC 5=ST 6=LC
* Type:				S -- Singlemode Standard Coupler W -- Singlemode Wideband Coupler

PACKAGE DIMENSIONS & PIGTAIL STYLE

Package Dimensions:
Package A: 3mm x 54mm stainless steel tube
Package B: 3mm x 60mm stainless steel tube
Package C: 10mm x 20mm x 90mm case
Pigtail Style:
Package A:	250um bare fiber
Package B:	250um bare fiber or 900um loose tube
Package C:	3mm cable or 900um loose tube

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