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Singlemode Coupler (Visible Wavelengths)

FT Singlemode Coupler (Visible Wavelengths)

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Description

FT Singlemode Coupler (Visible Wavelengths)

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

¡ñSplitter

¡ñFixed attenuation

¡ñTesting instruments

Specifications

Parameter

Unit

Value

Center Wavelength (λc)

nm

488, 532, 635

780, 830

980, 1064

1700, 2000

Operating Wavelength

nm

λc ± 2

λc ± 5

λc ± 10

λc ± 20

Max. PDL

dB

0.2

0.2

0.1

0.2

Max. Excess Loss

dB

0.3

0.3

0.2

0.3

Max. Excess Loss for each connector

dB

1.5

0.7

0.5

0.3

Max. Optical Power (Continuous Wave)

W

4

Thermal Stability

dB/¡æ

≤ 0.005 over -5 °C to +75 °C

Min. Return Loss

dB

50

Min. Directivity

dB

50

Fiber Type

¡¡

Singlemode fiber

Operating Temperature

¡æ

-5 to +75

Storage Temperature

¡æ

-40 to +85

Coupling Ratio & Insertion Loss

Coupling Ratio

%

1/99

2/98

5/95

10/90

20/80

30/70

40/60

50/50

Max. Insertion Loss, λc

dB

22/0.3

18.5/0.35

14.5/0.5

11.5/0.75

8.0/1.5

6.0/2.0

4.8/2.8

3.6/3.6

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