ULBS, TRBS, WDM Laser Diode to Fiber Couplers

ULBS, TRBS, WDM Laser Diode Power Combiners OZ Optics
 
  • SW10520
Combines Two Polarized Laser Diode Outputs into Single Fiber; Coupling Efficiency 45% to 90%;... more
Product information "ULBS, TRBS, WDM Laser Diode to Fiber Couplers"

Combines Two Polarized Laser Diode Outputs into Single Fiber; Coupling Efficiency 45% to 90%; Backreflection Level -25 to -60 dB; Pigtail/Receptacle Versions; Fiber Type SM, MM or PM

OZ Optics' ULBS, TRBS and WDM laser diode power combiners are designed to combine two polarized laser diode outputs into a single fiber. The output fiber can be SM, MM or PM fiber. Fiber-to-fiber polarization combiners/splitters are also available. The device utilizes a beam splitter in reverse, to act as a combiner. The laser diode outputs are collimated, and then attached onto the combiner. The collimated laser diode outputs are rotated until the maximum light comes out of the splitter/combiner output. The combined beam is then focused into the output fiber using OZ Optics' patented tilt adjustment technique. Laser diode power combiners come in a small, rugged package and are available either with female receptacles to accept different connectors (NTT-FC, AT&T-ST, etc.), or pigtail style, with the fiber directly attached. Pigtail style combiners are recommended for optimum stability, minimum insertion losses, and low backreflection. Receptacle style systems are best suited for applications where the output coupler is used with a MM fiber.The coupling efficiency from each diode is about 75% to 90% for MM fibers and 45% to 55% for SM fibers. The typical backreflection level returning to the laser diode is -20 dB. Backreflection levels of -25 dB, -40 dB, and -60 dB are available for pigtail style combiners.OZ Optics also supplies laser diode to fiber couplers with photodiodes. They are available in two configurations. In one setup, the photodiode acts as a monitor photodiode, measuring the reference power from the laser diode. The second setup instead uses the photodiode to detect light returning from the fiber. Such a setup is also known as an optical transceiver.

Product Group: Laser Diode to Fiber Couplers
Manufacturer Series Name: ULBS, TRBS, WDM
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