Athermal Etalon Reference Filter

100GHz Athermal Etalon Reference Filter Features: Based on Advanced Etalon Technology Extreme Thermal Stability Seam-sealed Package Reflection or Transmission Mode ITU-grid optional Application: FBG Sensoring System System Monitoring Test and Measurement Instrumentation Product Description: With BPI's unique opto-mechanical design and advanced packaging techniques, the filters demonstrate extreme wavelength stability under varied environmental conditions temperature and humidity. By a patented precision tuning techniques, the filters come with an option of ITU targeting accuracy within +/-1.25GHz. This ITU-targeted filter is widely used in WDM system channel monitoring and wavelength blocking. The special option is also available for customer to select specific wavelength for precision targeting. Specifications: ItemUnitParameterNoteReflection ModeTransmission Mode Wavelength Range nm1525,1565Custom wavelength range is available Channel Spacing GHz100Insertion Loss dB≤3.0Polarization Dependent Loss dB≤0.1 Polarization Dependent Accuracy GHz≤±0.1 Thermal Stability GHz≤±0.8(Standard)/ ±0.4(Premium)Across temperature range Finesse 7714 Pass Width @3dB GHzN/A≤16≤9Other finesses available upon request Contrast dBN/A≥13≥18Notch Width @20dB pm≤10N/ABack Reflection dBN/A≥20Can be custom specified to have maximum back reflection Maximum Optical Power mW500 Operation Temperature -570 Storage Temperature -4085 Fiber Type N/ASMF-28e Dimension (L×W×H) mm30.0×12.7×9.424.0×18.0×9.3 * All the specifications are based on the devices without connector. * * Specifications are subject to change without notice.