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Tapered enlarged ends in multimode optical fibers
Applied Optics
|April 8, 2010
Summary
Researchers studied multimode fiber tapers, finding they can efficiently couple light or shape beams for various applications. These enlarged tapers offer low-loss performance for optical systems.
Area of Science:
- Optical Engineering
- Materials Science
- Photonics
Background:
- Multimode optical fibers are crucial for transmitting light.
- Tapered fiber geometries can modify light propagation.
- Controlling taper profiles is key to optimizing fiber performance.
Purpose of the Study:
- To investigate the radiation characteristics of enlarged multimode fiber tapers.
- To assess the impact of drawing speed on taper profiles and performance.
- To evaluate the potential applications of these tapered fibers.
Main Methods:
- Fabrication of multimode fibers with enlarged tapers by controlled drawing speed.
- Near- and far-field intensity pattern measurements for radiation characterization.
- Measurement of insertion losses introduced by the taper section.
Main Results:
- Tapered fibers exhibit specific radiation patterns influenced by drawing parameters.
- Low-loss performance was achieved with optimized taper parameters.
- The tapers demonstrated suitability for efficient light coupling and beam shaping.
Conclusions:
- Enlarged multimode fiber tapers are viable low-loss optical components.
- These tapers can be utilized for efficient coupling to high-power sources or connecting dissimilar fibers.
- Fiber tapers can be employed for beam shaping in mechanical and surgical applications.
