LVF Catalog

Fluoride Glass Fibers

Multimode fibers

Fluoroindate Multimode

2 weeks delivery time
Response within 48h

IFG (Indium InF3 Fluoride Glass) = fluoroindate fibers
Exhibit a high transparency in UV, visible and mid-infrared from 0.3 up to 5.5µm (see graph below) :

Cut-back background losses:
  • ZFG: Typ < 20dB/km at 2.5 µm
  • IFG: Typ < 20dB/km at 3.6 µm
  • GeG: Typ < 150 dB/km at 2.78 μm < 400 dB/km at 2.94 μm
Operation wavelengths (<1dB/m):
  • ZFG: 0.32-4.3µm
  • IFG: 0.335-5.3µm
  • GeG: 2.78 and 2.94µm

LVF delivers a complete line of IFG InF3 standard multimode fibers with numerical apertures of 0.2 or 0.3.
(Note other numerical apertures might be in stock).

Discover our range of standard IFG multimode fibers :

∅core (µm)
∅cladding (µm)
Numerical aperture
Reference
100
160
0.20 or 0.30
IFG MM (NA) 100/160
200
260
0.20 or 0.30
IFG MM (NA) 200/260
300
360
0.20 or 0.30
IFG MM (NA) 300/360
400
460
0.20 or 0.30
IFG MM (NA) 400/460
600
680
0.20 or 0.30
IFG MM (NA) 600/680
Multimode

Standard price available
in our catalog on-line

CUSTOMIZE
your own fiber

• Custom NA (from 0.18 to 0.32)

• Custom core/cladding size (up to 1000 µm core diameter)

Fluoroindate (IFG) fibers are optical fibers made from indium fluoride (InF3) glass, known for their high transparency in UV, visible, and mid-infrared spectra, up to 5.5 µm.

IFG fibers offer low transmission loss, with typical losses less than 20 dB/km at 3.6 µm, making them ideal for applications requiring efficient transmission in the mid-infrared range. IFG fiber are more transparent than silica fiber above 2µm. Unlike most of other mid-IR fibers, IFG exhibit limited Fresnel losses (<4% per face)

IFG fibers can operate effectively in a wavelength range from 0.335 to 5.3 µm with losses less than 1 dB/m. > 3.5 par rapport au ZFG

IFG fibers are used in applications requiring efficient transmission in the mid-infrared range, such as sensors, lasers, optical communication systems and gas sensing.

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