Polarization Maintaining Coupler

Specifications (based on 50/50 ratio)
Parameter Wavelength < 1280 nm Wavelength ≥ 1280 nm
Central Wavelength specified by customer
Operating Wavelength Range central wavelength ± 10nm
Coupling Ratio 1% (± 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 Type PM Panda Fiber
PDL ≤ 0.15 dB ≤ 0.20 dB
Operating Temperature 0°C ~ +70°C
Storage Temperature -40°C ~ +85°C
Package Dimensions - Light Duty (B) 3.0mm (ø) x 60.0mm (L) 3.0mm (ø) x 55.0mm (L)
Package Dimensions - Medium Duty (L) 3.0mm (ø) x 65.0mm (L) 3.0mm (ø) x 60.0mm (L)
Package Dimensions - Heavy Duty (K,R) 100.0mm x 12.0mm x 8.0mm
*There will be 1.0 dB less for extinction ratio if connector is added
Note1: All values specified are without connectors.