Polarization Maintaining Coupler

ParameterWavelength ≤ 1280 nmWavelength ≥ 1280 nm
Central Wavelengthspecified by customer
Operating Wavelength Rangecentral wavelength ± 10nm
Coupling Ratio1% (± 0.3%) to 50% (± 5%)
Excess Insertion Loss
(slow axis input, including TDL)
≤ 0.7 dB≤ 0.5 dB
Polarization Extinction Ratio≥ 15 dB≥ 20 dB
Return Loss≥ 55 dB
Directivity≥ 55 dB
Fiber TypePM Panda Fiber
Operating Temperature0°C ~ +70°C
Storage Temperature-40°C ~ +85°C
Package Dimensions - Light Duty (B)3.0mm (Φ) x 60.0mm (L)3.0mm (Φ) x 55.0mm (L)
Package Dimensions - Medium Duty (L)3.0mm (Φ) x 65.0mm (L)3.0mm (Φ) x 60.0mm (L)
Package Dimensions - Heavy Duty (K,R)100.0mm x 12.0mm x 8.0mm

Note: Specifications based on 50/50 ratio
*There will be 1.0 dB less for extinction ratio if connector is added
Note1: All values specified are without connectors.

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