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PM Fused Coupler

FT PM Fused Coupler

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Description

FT PM Fused Coupler

Key Features

¡ñWavelength 445 - 2100nm available
¡ñCoupling ratio from 50/50 to 1/99 available
¡ñLow excess loss
¡ñHigh power handling
¡ñHigh stability and reliability

¡ñSpecial Wavelengths WDM also available

Applications

¡ñPower monitoring

¡ñCoherent communication

¡ñFiber gyroscope

¡ñFiber laser

¡ñFiber amplifier

¡ñTesting instruments

Specifications

Parameter

Unit

Value

Center Wavelength (λc)

nm

488, 532, 635

780, 830

980, 1064

1310, 1480,  1550

1700, 2000

Operating Wavelength

nm

λc ± 5

λc ± 10

λc ± 10

λc ± 20

λc ± 20

Typ. Excess Loss

dB

0.8

0.5

0.4

0.2

0.5

Max. Excess Loss

dB

1.2

0.8

0.6

0.4

0.8

Min. ER*

dB

18

18

20

20

20

Max. Excess Loss for each connector

dB

1.5

0.7

0.5

0.3

0.3

Max. Optical Power (Continuous Wave)

W

2

Thermal Stability

dB/¡æ

≤ 0.005 over -5 °C to +75 °C

Min. Return Loss

dB

50

Min. Directivity

dB

50

Fiber Type for Signal Port

¡¡

PM fiber

Fiber Type for Tap Port

¡¡

PM fiber or Singlemode fiber

Operating Temperature

¡æ

-5 to +75

Storage Temperature

¡æ

-40 to +85

Coupling Ratio & Its Tolerance

Coupling Ratio

%

1/99

2/98

5/95

10/90

20/80

30/70

40/60

50/50

Max. Coupling Ratio Tolerance, λc

%

± 0.3

± 0.5

± 0.7

± 1.0

± 2.0

± 2.0

± 2.5

± 3.0

Important Notice

Performance figures, data and any illustrative material provided in this data sheet are typical and must be specifically confirmed in writing by F-tone Networks before they become applicable to any particular order or contract. In accordance with the F-tone Networks policy of continuous improvement specifications may change without notice.

The publication of information in this data sheet does not imply freedom from patent or other protective rights of F-tone Networks or others. Further details are available from any F-tone Networks sales representative.

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