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  3. Wavelength Shifting Fibers

Wavelength Shifting Fibers

Formulations 1)

Description Emission Absorption
Peak[nm]
Att.Leng.2)
[m]
Characteristics
Color Spectra Peak[nm]
Y-7(100) green See the following figure 490 439 >2.8 Blue to Green Shifter
Y-8(100) green 511 455 >3.0 Blue to Green Shifter
Y-11(200) green 476 430 >3.5 Blue to Green Shifter (K-27 formulation)
Long Attenuation Length and High Light Yield
B-2(200) blue 437 375 >3.5 UV to Blue shifter
B-3(200) blue 450 351 >4.0 UV to Blue shifter
O-2(100) orange 550 535 >1.5 Green to orange shifter
R-3(100) red 610 577 >2.0 Green to red shifter
  • 1) Test fibers are Non-S type, 1mm–§.
  • 2) Measured by using bialkali PMT and blue LED(445nm).
    Otherwise than descriptions mentioned above, various WLS fibers are available.

Attenuation Length Measurement

We routinely measure attenuation length by 3m fiber sample for all production.
The attenuation curve (for example) in the figure is approximated by the one exponential expression except very near distance. The attenuation length is calculated using the data between x=100cm and x=300cm.

Technical Data

Emission Spectra

Y-7(100)

Exiting Wavelength: 440nm

Y-8(150)

Exiting Wavelength: 455nm

Y-11(200)

Exiting Wavelength: 430nm

B-2(200)

Exiting Wavelength: 430nm

B-3(200)

Exiting Wavelength: 430nm

O-2(100)

Exiting Wavelength: 430nm

Attenuation Length Measurement

Measurement Method of Emission Spectra

Absorption and Emission Spectra

Y-7, Y-8, Y-11

B-2, B-3

O-2, R-3

Transmission Loss

Y-7, Y-8, Y-11

Wavelength[nm]

B-2, B-3

Wavelength[nm]

O-2, R-3

Wavelength[nm]

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