Aluminum-coated step index multimode silica fibers CCR 1.1 (Low OH)

Aluminum-coated step index multimode optical fibers (Core/Clad Ratio 1.1) have all the benefits of silica-silica fibers. Additional significant improvements include increased mechanical strength and greater fatigue resistance compared to non-hermetic and polymer-clad fibers (PCS). Their transmittance covers a spectral range of 400 to 2200 nm, and also remains stable in corrosive chemicals that normally react to silica glass. The temperature range is from -196C to +400C .

FEUTURES:

Greatly enhanced resistance to high power laser radiation.
Higher core-to-clad ratio and enlarged NA optimized for coupling to high-energy lasers.
Better fiber cooling due to the heat-conducting metal coating.
Excellent mechanical strength and flexibility compared to polymer coated fibers.
The metal coating can be soldered and will not outgas.

Aluminum-coated fibers	ОК-100/110AL	ОК-150/165AL	ОК-200/220AL	ОК-300/330AL	ОК-400/440AL	ОК-600/660AL	ОК-800/880AL	ОК-1000/1100AL
Fiber type	MM	MM	MM	MM	MM	MM	MM	MM
Index profile	Step	Step	Step	Step	Step	Step	Step	Step
Core diameter, µm	100 ± 2	150 ± 3	200 ± 4	300 ± 6	400 ± 8	600 ± 12	800 ± 15	1000 ± 20
Clad diameter, µm	110 ± 3	165 ± 4	220 ± 5	330 ± 10	440 ± 12	660 ± 15	880 ± 20	1100 ± 40
Coating diameter, µm	140 ± 8 (150 ± 8)	210 ± 12	300 ± 15	450 ± 25	565 ± 25	860 ± 30	1110 ± 40	1410 ± 60
Cladding offset, %	< 2
Coating offset, %	< 5
Attenuation at 800/1300 nm (Low OH)	the loss spectrum in the long wavelength region ( > 1um) is higher than that of the material				the loss spectrum is close to the material loss spectrum
Wavelength range, nm (Low OH)	400 - 1100		400 - 1700		400 - 2200
Coating material	Aluminium
Core material	Pure syntetic silica (low OH)
Clad material	Doped silica
Numerical Aperture (NA)	0.22 ± 0.02
Short-term bending radius	60 times the fiber diameters
Long-term bending radius	120 times the fiber diameters
Proof test, kpsi	100
Min operating temperature, C	-196
Max operating temperature, C	400

Aluminum-coated step index multimode silica fibers (Low OH)

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