Shenzhen Puhuixin Tecnhnology Co., Ltd.
Polarization Maintaining Coupler

Polarization Maintaining Coupler

Wideband directional coupler is also know as pm fiber coupler, which is built to split the optical power or wavelength through Fused Biconic Taper (FBT) technique. Polarization Maintaining Fiber Coupler is made Panda PM fiber.
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Polarization Maintaining Coupler

Applications of Polarization Maintaining PM Fiber Coupler

1. Optical communication systems

2. Fiber sensors

3. Laboratory R&D

4. Testing instruments


Specifications of Polarization Maintaining PM Fiber Coupler

Item

Unit

Parameter

Center Wavelength

nm

780, 840

980, 1064

1310, 1480, 1550

Bandwidth

nm

±15, ±40

Max. Insertion Loss @ Central wavelength


CR

dB

P

A

P

A

P

A

50/50

≤3.8

≤4.0

≤3.6

≤3.8

≤3.4

≤3.6

30/70

≤6.3/2.2

≤6.5/2.4

≤5.75/2.0

≤6.1/2.1

≤5.6/1.95

≤5.75/2.1

20/80

≤8.2/1.7

≤8.5/1.9

≤8.0/1.5

≤8.2/1.7

≤7.6/1.4

≤8.0/1.5

10/90

≤11.8/1.4

≤12.0/1.6

≤11.6/1.2

≤11.8/1.4

≤11/0.85

≤11.6/1.0

5/95

≤15/1.0

≤15.2/1.2

≤14.8/0.8

≤15/1.0

≤14.2/0.6

≤14.8/0.8

3/97

≤17.5/0.9

≤17.7/1.0

≤16.6/0.4

≤17.2/0.6

≤16.2/0.4

≤16.7/0.5

2/98

≤19.0/0.8

≤19.2/1.0

≤18.4/0.4

≤18.9/0.5

≤18.0/0.4

≤18.5/0.5

1/99

≤22.5/0.7

≤22.8/0.9

≤22/0.4

≤22.5/0.6

≤21.5/0.3

≤22/0.4

ER

CR>5%

dB

20

18

20

18

20

18

5%≥CR>1%

18

16

18

16

18

16

CR≤1%

Out of concern

Package 1 (Ф×L)

mm

3*54

Return Loss

dB

≥50

Directivity

dB

≥50

Fiber Type


Panda PM fiber

Power Handling

mW

≤500

Operating Environment Temperature

-5-+70

Storage Temperature

-40-+85


Ordering Information of Polarization Maintaining Coupler


PMC

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

780

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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