Ocean Optics OOISensors - Manual (Page 113)

6: Hardware Data Sheets and Instructions
Use Notes
• Gently remove the plastic cover from the SMA connector before use. Pulling the SMA connector
away from the fiber when removing the plastic cover will permanently damage the fiber.
• When fibers break, they stop transmitting light. Inspect fibers by eye to determine if light is being
transmitted.
• Do not coil the fiber too tightly, or bend it at a sharp angle. The maximum sustained bend radius of a
400 µm fiber is 10 cm. Bending the fiber can cause attenuation. To minimize this effect, add extra
strain relief to both ends of the fiber.
• Do not exceed the temperature specifications for the materials involved: 200°C for the fiber, 100°C
for PVC cabling, and 100°C for standard epoxy.
• Keep connectors and probe tips covered when the fibers are not being used.
• Clean ends of the fibers with lens paper and distilled water, alcohol, or acetone. Avoid scratching the
surface.
• Do not immerse fiber ends in caustic materials or other solutions that can damage quartz or
aluminum.
Bifurcated Fiber Assembly Specifications
Specification Value
Connector/termination SMA 905
Fiber core Pure fused silica
Fiber cladding Doped fused silica
Fiber buffer Polyimide (temperature range -40 ° C to +300° C)
Sheathing/cabling
PVC with Kevlar reinforcement (standard)
Silicone Monocoil (optional – autoclaveable)
Stainless steel BX flexible jacketing (optional)
Mode structure Step-index multi-mode
Numerical aperture 0.22 ± .02
Recommended minimum bend
radius
Momentary = 200x the fiber radius; long term = 400x the fiber radius
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