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The fiber collimation and coupling series is designed for efficient light coupling between optical fibers and free-space beams, widely used in communications, laser processing, spectroscopy, and precision optics. LBTEK offers various models including multi-axis adjustable, fixed-focus, adjustable-focus, zoom, and achromatic large-aperture collimators, as well as reflective and fiber-pigtail collimators. Reflective types minimize chromatic and transmission errors, while fiber-pigtail models provide compact, easy integration.

All models support FC/PC and FC/APC connectors, covering 350-1700nm wavelength range, featuring high stability, excellent beam quality, and precise repeatability, ensuring reliable performance in demanding laboratory and industrial environments

  • Fixed Fiber Collimator
  • Air-Spaced Doublet Collimator
  • Fixed Aspheric Fiber Collimator
  • Reflective Fiber Collimator
  • Five-Axis Fiber Coupler and Accessories

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Efficient Fiber-to-Free Space Light Conversion
  • Converts divergent light from optical fibers into a parallel (collimated) beam with high efficiency
  • Enables stable transmission between fiber systems and free-space optical setups
  • Ideal for laser delivery, spectroscopy, and optical testing applications
High Coupling Efficiency
  • Optimized optical design ensures maximum power transfer between fiber and free-space beams
  • Minimizes optical loss during coupling and collimation
  • Improves system performance in precision optical experiments and communication systems
Excellent Beam Quality
  • Produces near-Gaussian, low-divergence beams with good spatial uniformity
  • Low wavefront error (up to λ/6 P-V in achromatic designs)
  • Diffraction-limited performance at design wavelengths
Wide Wavelength Compatibility (350–1700 nm)
  • Supports UV, visible, and infrared wavelength ranges
  • Suitable for multi-wavelength laser systems and broadband light sources
  • Reflective types maintain constant focal length across wavelengths
High Stability and Repeatability
  • Precision mechanical housing ensures stable alignment
  • Repeatable optical performance for laboratory and industrial use
  • Factory pre-aligned models reduce setup time
Multiple Design Options for Different Applications
  • Fixed, adjustable focus, zoom, and long-distance collimators
  • Aspheric, achromatic, and reflective optical designs
  • Multi-axis couplers for high-precision alignment
  • Polarization-maintaining and non-magnetic versions available
Superior Alignment Accuracy (Multi-Axis Models)
  • 3-axis and 5-axis adjustment (X, Y, Z, pitch, yaw) for precise fiber coupling
  • Faster alignment and improved coupling stability
  • Ideal for research labs and precision optical setups
Low Optical Aberration
  • Air-spaced doublet and achromatic lenses correct spherical and chromatic aberrations
  • Reflective collimators eliminate chromatic dispersion
  • Ensures consistent beam shape and focus
Compact and Easy Integration
  • Compatible with FC/PC, FC/APC, and SMA connectors
  • Standard threaded and mountable housings (e.g., M11×0.5, Ø25.4 mm systems)
  • Easy integration into optical benches and industrial systems
Long-Distance Beam Transmission Capability
  • Specialized long-distance collimators support collimation up to 200 meters
  • Suitable for optical communication and long-range sensing applications
High Mechanical Durability
  • Stainless steel or PEEK housing options
  • Non-magnetic and corrosion-resistant designs available
  • Suitable for harsh laboratory and industrial environments
Flexible Coating Options
  • AR coatings optimized for different spectral ranges (e.g., 400–650 nm, 650–1050 nm, 1050–1700 nm)
  • Reduced reflection loss and enhanced transmission
  • Improved overall optical efficiency

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