The LD-PD’S PL- HPMIBP Series is High Power Polarization Maintaining Isolator with BP Filter.This is one High power fiber optic components we special design for Ultra short pulse fiber laser.And now wavelength at 850nm,980nm,1030nm,1064nm,1550nm,1560nm is available,This Unit Combine two parts:Isolator Part and Band pass filter part.We can help Customize according to Customer’s Requirements.