LightComm Technology

LightComm is specialised in designing and manufacturing of passive optical fiber components for fiber lasers, sensing and telecomm applications based on proprietary fiber fusion and tapering technology.

High power pump combiners for fiber lasers and amplifiers

  • Single mode WDMs
  • N x 1 multimode pump combiners
    • For direct diode laser processing, Q-switch fiber lasers, high pump power cascaded combination and RGB laser combine
    • High transmission efficiency and high reliability
    • More than 300 configurations available
    • Max. power handling capacity up to 6 kW
    • N = 2, 3, 4, 7,…, 19, 37, 61
    • Ask for customised products
  • (N x 1) x 1 multimode pump signal combiners
    • For MOPA fiber amplifiers (PM version available) and red pilot high power fiber laser systems
    • Built-in mode field adapter option available
    • Side pump scheme (high isolation) and end pump scheme (high efficiency)
    • High transmission efficiency and high reliability
    • More that 105+ configurations
    • Max. power handling capacity up to 6 kW
    • N = 1, 2, 6,…, 18, 36, 60
  • High power signal/beam combiners
    • For combining output of several fiber laser modules to obtain extremely high signal output power
    • Nx1 configuration or (N x 1) x 1 configuration with red pilot
    • High reliability under high power operation up to several kW
    • Small degradation on beam quality after combination
    • N = 3, 4, 5, 6, 7, depends on fiber type
  • Active fiber combiners
    • Output fiber to be active fiber (only available in side pump scheme)
    • Eliminate splicing difficulty between passive and active fiber
    • Reduce heating issue at splicing point
    • Increase signal isolation to pump channel
  • N x M combiner splitters
    • For sensing applications in electric power and illumination in aerospace etc.
    • Excellent total transmission efficiency and beam splitting uniformity
    • High power handling capability and high reliability

High power optical isolators

  • 1 μm 300 mW 2 W low power optical isolators
    • For 10xx nm fiber laser/amplifier
    • Block back reflected signal laser and protect prior stage components
    • High isolation and low insertion loss
    • Tailored peak isolation wavelength for actual application
    • Band pass filter and tap function integration options available
    • Proprietary heating dissipation packaging technology enables excellent performance and reliability under high power and high temperature
    • Both PM and non-PM versions available
  • 1 μm 10 W 100 W high power optical isolators
    • For 10xx nm fiber laser/amplifier
    • Block back reflected signal laser and protect prior stage components
    • High isolation and low insertion loss
    • Tailored peak isolation wavelength for actual application
    • Band pass filter and tap function integration options available
    • Proprietary heating dissipation packaging technology enables excellent performance and reliability under high power and high temperature
    • Both PM and non-PM versions available
  • 1550 nm / 2000 nm high power in-line optical isolators
    • For 1550 nm or 2000 nm nm fiber laser/amplifier
    • Block back reflected signal laser and protect prior stage components
    • High power handling up to 10 W
    • Proprietary heating dissipation packaging technology enables excellent performance and reliability under high power and high temperature
    • Both PM and non-PM versions available

High power accessories

  • Cladding power strippers (CPS)
    • For stripping out residual pump power or other optical power from the inner cladding
    • Max. stripping power up to 800 W
    • High stripping efficiency (17 dB 20 dB)
    • Low signal loss (< 0.2 dB) and low beam quality degradation
    • High extinction ratio for polarisation maintaining fiber (> 17 dB)
    • Effective bi-directional operation
  • End caps
    • For reducing the power density in laser system output terminal to avoid facet damage
    • Laser output via End cap quartz rod instead of fiber end
    • Fiber directly spliced with quartz rod, no air gap or epoxy on light path
    • High power level operation capability (< 200 W) and low beam quality degradation (M2 < 1.1)
    • Cladding power integration option available
    • 8 deg and 0 deg end facet option as well as AR coated option available
    • Extended to high power collimator
    • Armored cable option for protecting fiber pigtail
  • Laser delivery cables
    • For high power laser systems an output terminal with a 5 kW power handling capability
    • Integrated high power End Cap technology for reducing power density on output facet (fiber splicing with quartz block)
    • Integrated Cladding Power Stripper technology to protect other optical components from being damaged by the reflected optical power (800 W
    • cladding power handling capability)
    • Extremely low power loss (< 1.5%)
    • Industrial standard interface enable fast and accurate installation
    • Internal water cooling
    • Safety interlock function available
  • Mode field adapters
    • For connecting two kinds of fibers with a different NA and core diameter, mode field matching and conversion realisation
    • Low transmission loss for fundamental mode (< 0.5 0.7 dB)
    • Minimal degradation loss of beam quality (M2 < 1.3)
    • High power operation capability (> 20 W)
    • Both forward and backward scheme available
  • Laser pilot (632/1064 nm WDM)
    • For coupling red pilot light for laser beam positioning
    • Low insertion loss and high isolation
  • High power fiber tap couplers
    • For monitoring forward and backward signal power
    • High power handling up to 40 W
    • SM/MM/DCF versions available
      • Acoustic optic modulates (AOM)
    • For generating pulse laser in Q-switch scheme
    • High power handling up to 8 W
    • 80 MHz and 100 Mhz frequencies
      • Band pass filters (BPF)
    • Used for cutting off unwanted spectrum and maintaining pure signal spectrum
    • High power handling up to 10 W