Shenzhen Puhuixin Tecnhnology Co., Ltd.
1×2 or 2×2 Special Wavelength Coupler

1×2 or 2×2 Special Wavelength Coupler

1×2 or 2×2 fbt Special Wavelength Coupler is also know as 1x2 or 2×2 fbt coupler, which is built to split the optical power or wavelength through Fused Biconic Taper (FBT) technique. Besides 1310nm, 1490nm and 1550nm, PHXFIBER also make special wavelength coupler, such as 630nm, 780nm, 830nm, 980nm, 1064nm, 1480nm, 1625nnm.
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1×2 or 2×2 Special Wavelength Coupler

Applications of 1×2 or 2×2 Special Wavelength FBT Coupler

1. Optical communication systems

2. Fiber sensors

3. Laboratory R&D

4. Testing instruments


Specifications of 1×2 or 2×2 Special Wavelength FBT Coupler


Special Wavelength Coupler

Grade

P

A

P

A

P

A

P

A

Operating Wavelength (nm)

630

780

830

980

1064

1480

1625

Operating Bandwidth (nm)

±15

Port Configuration

1x2 or 2x2

Coupling Ratio

1/99~50/50

Fiber Type

630-HP or SM630

Hi780

780-HP

Hi 1060 flex

OFS BF05635-02

SMF-28e

Insertion Loss (dB)

50/50

≤3.7

≤3.9

≤3.6

≤3.8

≤3.5

≤3.7

≤3.5

≤3.7

40/60

≤4.7/2.9

≤4.9/3.0

≤4.6/2.8

≤4.8/2.9

≤4.4/2.6

≤4.7/2.8

≤4.4/2.6

≤4.7/2.8

30/70

≤6.0/2.1

≤6.3/2.3

≤6.0/2.0

≤6.2/2.2

≤5.7/1.9

≤6.0/2.0

≤5.7/1.9

≤6.0/2.0

20/80

≤8.0/1.5

≤8.4/1.8

≤8.0/1.4

≤8.3/1.6

≤7.6/1.2

≤8.0/1.3

≤7.6/1.2

≤8.0/1.3

10/90

≤11.5/0.9

≤12.0/1.2

≤11.5/0.8

≤12.0/1.0

≤11.0/0.65

≤11.5/0.8

≤11.0/0.65

≤11.5/0.8

Directivity (dB)

≥45

≥50

≥55

Operating Temperature(℃)

-40  ~  +85

Package Dimension

250μm Bare Fiber: Φ3.0×45mm

900μm Loose Tube: Φ3.0×54mm

900um/2mm/3mm Loose Tube: 90×20×10mm


Ordering Information of 1×2 or 2×2 Special Wavelength FBT Coupler

/

X

XXX

XXXX

XX/XX

X

X

XXX

XX/XX


Grade

Port Number

Operating Wavelength

Coupling Ratio

Pigtail Type

Encapsulation Steel Tube

Fiber Length

Connector


P=Perfect

1×2

630

01/99

0=250um

3.0×45

1m

FC/UPC


A=Grade A

2×2

980

02/98

1=900um

3.0×54

1.5m

FC/APC


X=Customized


1064

03/97

4=others


2m

SC/UPC



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