Bobbin3
ZBLAN fibers can transmit single-mode light up to a wavelength of 4 μm by adjusting the core diameter and NA. SMFF(single mode fluoride fiber) can transmit light more stably than MFF and is more suitable for accurate spectroscopy. In particular, there are many strong absorption bands due to C-H and N-H vibration at a wavelength band of 3 μm. Non-doped SMFF is commonly used in infrared spectroscopy as an optical guide.

What is fluoride fiber ?

■Example of Loss Spectrum

 

 

    Fiber cross section

■ Non-doped SMFF Loss Spectrum

Item ZSF-6/125
-N-0.20
ZSF-6/125
-N-0.26
ZSF-7.5/125
-N-0.20
ZSF-7.5/125
-N-0.26
ZSF-9/125-N-0.20 ZSF-9/125
-N-0.26
Fiber Type
Step Index Type Single Mode Fiber
NA
0.20±0.01
0.26±0.01
0.20±0.01
0.26±0.01
0.20±0.01 0.26±0.01
Cut-off Wavelength(µm)
<1.85
<2.4
<2.3 
<2.9
<2.6 <3.45
Loss@1.5µm(dB/m)
<0.1
Core Diameter(µm)
6±1
6±1
7.5±1
7.5±1
9±1 9±1
Cladding Diameter(µm)
123±3
Coating Diameter(µm)
460±30
Core/Cladding Glass
ZBLAN Fluoride Glass
Coating Material
UV Curable Acrylate
Proof Test
1.25cm Radius

■ Parameters for Custom SMFF

Parameters
Value
 Fiber type
Step Index Type Single Mode Fiber
 Cut-off wavelength(µm)
0.6 ~ 2.5μm
 NA
0.16±0.02,  0.21±0.02,  0.26±0.02
 Core diameter(µm)
2 ~ 12μm
 Cladding diameter(µm)
123±3
 Coating diameter(µm)
460±30
 Coating Material
UV Curable Acrylate 
 Proof Test
1.25cm Radius

■ ZBLAN Fibers in Stock