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The Sapphire Fiber Advantage
  • Biocompatiable, nontoxic, USP Class VI approved - passes both implant and elution test protocols
  • High transmission from visible to beyond 3 micron wavelength.
  • High Strength - 400,000 psi/2.8 GPa - use of PTFE buffer further improves durability and handling.
  • High laser damage threshold (1200 J/em2) and high melting point (2053ºC) enable high repetition rates and average power.
Sapphire Optical Fiber Specifications
(Typical Specifications)
Fiber Core Diameter (microns)
250
325
425
Buffer Diameter (microns)
450
650
750
Effective NA
0.12
0.12
0.12
Transmission (per meter)
80%
80%
80%
Minimum Bend Radius (mm)
30
60
80
Length-Maximum Standard
2 meters
2 meters
2 meters
Length-Maximum Special Order
4 meters
4 meters
4 meters
Photran is the world leader in sapphire fiber production. Our facilities and capabilities include:
  • High volume fiber production using the EFG method
  • In-line testing
  • Automated diamond polishing stations
  • Computerized Nomarski inspection system to assure optimal end finish
  • Multiple lasers for assurance testing and certification
  • Full engineering, design, and application support services

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