Graded Index Fibers?
Graded Index Fibers
Features
l Standard communication fibers for 850 nm bis 1300 nm
l Low loss, high bandwidth
l Laser power transmission fibers up to 600 μm core diameter
l Better beam profile than step index fibers
l Specialty coatings for high temperatures, high vacuum and harsh chemicals environments
l Radiation resistant type
Properties
l Proof test level (Screen test): 50 kpsi (Communiction fibers)
l Proof test level (Bend method): 70 kpsi (Fiber diameter > 200 μm)
l Bend radius: momentary 100 times the fiber radius long term 600 times the fiber radius
Fiber Design
l Communication fibers:
Doped fused silica core (graded-index)
Pure fused silica cladding
Dual layer Acrylate coating (-40°C to 85°C)
l Power transmission fibers:
Doped fused silica core (graded-index)
Pure fused silica cladding
Acrylate coating (-40°C to 85°C)
Silicone resin coating (-40°C to 150°C)
Polyimide coating (-190°C to 385°C)
Options
l Core/clad ratios 1.4 ... 2,5
l Metal coating
l Buffer:
Nylon (-40°C to 100°C)
ETFE (-200°C to 150°C)
l Connectors (DIN, FC/PC, ST, SMA)
l Graded-index fiber cables
l high temperatur acrylate (-40°C to 200°C)
