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488-2100 nm Polarization Maintaining Fused Coupler

It features low excess loss, and high power handling.


  • Product Detail

Features

Wavelength 488-2100 nm available

Coupling ratio from 0.01/99.99 to 50/50 available

Operating on both fast and slow axes

Low excess loss

High power handling

High stability and reliability 


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/

≤ 0.005

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

- 5 to + 75

Storage Temperature

- 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

 Coupling Ratio

%  0.1/99.9  0.1/99.9  0.1/99.9  0.1/99.9  0.01/99.99  0.01/99.99  0.01/99.99  0.01/99.99

 Tap Ratio Tolerance, λc

dB  30 ± 3  30 ± 3  30 ± 3  30 ± 3  40 ± 4  40 ± 4  40 ± 4  40 ± 4


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