High power pump combiners for fiber lasers and amplifiers

• PM tapered amplifier
• 1080 nm fiber bragg gratings
• 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
• High power laser cable
  • 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