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OPM Directional Fiber Optic Power Monitors

Product information "OPM Directional Fiber Optic Power Monitors"

320 to 2100 nm; Tap Ratio 0.5 to 4%; Insertion Loss <0.05 to 0.3 dB; Return Loss >70 dB; Fiber Type SM, MM, PM, PC, Other; Power Handling 250 to 2000 mW

With the OPM series, OZ Optics offers inline optical power monitors and tap couplers based on a revolutionary, patented technology. These taps and monitors provide a way to easily measure the signal intensity through an optical fiber in a simple, miniature package and are ideal for real time monitoring and feedback for optical amplifiers or WDM systems as well as for fiber optic sensors.

Traditional monitoring systems typically use fused couplers to tap a fixed amount of light into another fiber that guides the optical power to a photodiode. This method is bulky and must be done using discrete components.

In contrast, OZ Optics' OPM series of optical taps direct a controlled amount of light from the fiber core to the cladding surface where it can be directly monitored with high efficiency and very low loss. This inline tapping is accomplished without bending, shaping, or otherwise distorting the fiber. As a result, the tap can be directly incorporated into optical assemblies, without affecting the original functionality.

While taps are directional in nature (ideal for monitoring traffic independently of signals travelling back through a network link), bi-directional versions are also available and can be provided on request.

OPM taps can be fabricated into standard single mode (SM), polarization maintaining (PM), multi mode (MM), photonic crystal (PC) and other specialty fibers, for any design wavelength and with different tap ratios available upon request.

OPM optical power monitors combine the optical tap design with a photodiode in an integrated package and are available in different configurations with Si and InGaAs detectors for different wavelength ranges. The devices produce a current proportional to the optical power within the fiber, and the small size and simple interface makes it very easy to design into optical hardware. Multiple channel power monitors for WDM applications are available upon request.

Key Features:

  • Miniaturized Package
  • Inline Integration Without Interruption to the Optical Path
  • Telcordia GR-468 Qualified
  • Available for Any Wavelength from 400 to 2100 nm
  • Low Insertion Loss, Return Loss and Polarization Dependent Loss
  • High Directivity and Large Dynamic Range
  • Broadband Response
  • High Power Handling
  • High Extinction Ratios for PM Versions
  • Remotely and Locally Controllable, USB and RS232 Communication Options
  • Available for Standard Telecom Fibers, PM, MM, Photonics Crystal and Other Speciality Fibers
  • Available with or without Integrated Photodiode


Applications: Power Monitoring; Optical Power Control Devices; Channel Balancing for Wavelength Division Multiplexing (WDM) Systems; Dynamic Optical Amplifier Gain Monitoring; FTTH Network Monitoring; Real-time Inline Test and Measurement; Fiber Optic Sensors; OCT Systems

Manufacturer "OZ Optics"
Located in Canada's capital city of Ottawa and established in 1985, OZ Optics Ltd. is a leading worldwide supplier of fiberoptic products for existing and next-generation optical networks such as components and test equipment. Target markets include telecommunications, cable television, medical, military, industrial, aerospace, petrochemical and educational sectors. OZ Optics is ISO 9001:2000 and Telcordia certified.
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OPM-200 Digital Directional Inline Optical Power Monitor/Meter
1250 to 1620 nm; Tap Ratio 1%; Return Loss 70 dB; Dynamic Range -32-+20 dBm; Directivity 35 dB; Fiber Type SM, PM; Connector FC/UPC As part of its series of inline optical power monitors and tap couplers, OZ Optics offers the OPM-200, a digital inline optical power monitor. Based on a groundbreaking, patented fabrication process, these all-fiber taps and monitors provide a way to easily measure the average signal intensity through an optical fiber via tapped light channeled into a built-in photodiode, without interrupting the traffic. The photodiode produces a signal proportional to the optical power traveling through the fiber with high directivity. The OPM-200 power monitor integrates a novel inline optical tap with a low-noise InGaAs detector in combination with a high dynamic range logarithmic amplifier. The built-in microcontroller processes and displays the power transmitted through the selected fiber channel on an LCD display. The optical tap modules and display units are independently calibrated, so any display unit can be plugged into any tap module, and the measured power will be automatically calibrated. A low-voltage circuitry design ensures a long lifetime for the built-in battery. The detector module can be calibrated for either a single wavelength or for a broad wavelength range. Optional, RS-232 and analog outputs are also available. The OPM-200 inline power monitor is ideal for network monitoring, out of specification alarms, and/or DWDM systems for real time monitoring and feedback. OZ Optics’ inline taps are highly directional and ideal for monitoring traffic traveling in one direction only. They may also be used for measuring return losses instead of transmitted power. In the same product family, OZ Optics now provides OEM single channel optical power monitors and can offer multi-channel power monitors for DWDM system integration on demand. Key Features: Low Insertion Loss Continuous Fiber – No Interruptions to Optical Path Display Units are Interchangeable Wide Input Power Dynamic Range: -32 dBm to +20 dBm Tap Ratio: 1% Detector Type: InGaAs Wavelength Range: 1250 nm to 1620 nm with PIN InGaAs Detector Calibrated Wavelength: 1550 nm Optical Return Loss: 70 dB (Excluding Connector) Directivity: 35 dB Polarization Dependent Response (PDR): <0.2 dB Polarization Dependent Loss (PDL) Along the Transmission Path: < 0.1 dB High Power Handling Fiber Type: 9/125 μm Fiber Jacket: 3mm PVC Connector: FC/UPC Polarization Maintaining (PM) Fiber Versions Available Rugged and Compact Design Long Battery Life Automatic Shut Off Output Interface: RS-232 and Analog Output Options Available Applications: Optical Power Control Devices; Channel Balancing for WDM Systems; Dynamic Optical Amplifier Gain Monitoring; Power Monitoring; Network Monitoring; Real Time In-line Test and Measurement; Network Installation; Fiber Optic Sensor
Product number: SW11910
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TSMJ/TMMJ/TPMJ Tapered & Lensed Fibers
Fiber Type SM, MM, PM; 400 to 2000 nm; Focused Spot Size 2.0 to 6.5 µm; Working Distance 3 to 30 µm; Minimum Strip Distance 5 mm; Return Loss -20 dB Standard, -25 dB With AR Coating OZ Optics TSMJ/TMMJ/TPMJ series of tapered and lensed fibers offers a convenient way to improve coupling between optical fibers and waveguide devices, laser diodes or photo diodes. By laser shaping the fiber end, the light can be transformed to improve mode matching and coupling efficiency with the waveguide device, laser diode chip or photodiode chip. The manufacturing process allows for improved coupling to either circular or oval input spots (this must be specified in advance). OZ Optics tapered and lensed fibers are manufactured by laser shaping the endface to create the optimal light output/input for specific applications. This method provides the best coupling efficiencies and mode matching abilities in a taper. An alternative technique is to instead polish the end face of the fiber to a specific radius and taper angle, forming a lens. Oval spots can also be formed using the polishing technique, normally by shaping the fiber to form a chisel or wedge shape. Single mode (SM), multi mode (MM) or Panda type polarization maintaining (PM) fibers can be tapered. For multi mode fibers, only polished versions with a polish radius and taper angle can be produced. OZ Optics can also generate other polish profiles, such as wedge shapes, which are useful for coupling strip laser diodes into multimode fibers. In general, OZ Optics uses polarization maintaining fibers based on the PANDA fiber structure when building polarization maintaining (PM) components and patch cords. However, OZ Optics can construct devices using other PM fiber structures. OZ Optics also carries some alternative fiber types in stock, please contact AMS Technologies for availability. If necessary, OZ Optics is willing to use customer supplied fibers to build devices. Custom configurations can be designed if required. Tapered fibers can be incorporated into other OZ Optics assemblies including the HSMJ, HMMJ, HPMJ series of hermetically sealable patchcords with metal solder, the HGSMJ/HGMMJ/HGPMJ series of hermetically sealable patchcords with glass solder or the VGA series of V-Groove assemblies, thus aiding in the development of photonic devices that meet Telcordia requirements. Contact AMS Technologies for more information on your customized tapered fiber project. Key Features: Wide Wavelength Range: 400 to 2000 nm, Other Wavelengths on Demand Improved Coupling to and from Waveguides, Laser Diodes and Photodiodes Single Mode (SM), Multi Mode (MM) or Polarization Maintaining (PM) Fibers Anti Reflection (AR) Coated Endfaces Available Can be Made Based on Either Spot Size or Taper Shape Metalized Fiber Versions Available Hermetically Sealable Versions Available Other Custom Configurations Available Chisel and Wedged Shaped End Faces Available Applications: Active Component Pigtailing; DWDM Devices; Waveguide Packaging; MEMS Device Connections; Miniaturized Fiber Optic Components; Coupling to Circular or Elliptical Beam Outputs
Product number: SW10914
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