Communication Filter

Multi – layer thin films and special film filters are used to separate and combine various wavelengths of light in fiber optic network systems.

Usage : NBPF, BBPF, GFF, LWPF, EDGE, filter for CATV, FTTx etc.

Single Crystal/Fiber AR

Long Wavelength Pass Filter?LWPF?

Pass Band Width Range : 1570?1700nm
Pass Band Ripple ?0.15dB
Peak Loss ?0.2dB
Reflectance Band Width Range : 1400?1550nm
Reflectance Band Isolation ?30dB

Very sharp transition characteristic.
We can process from board thickness of 0.1mm.

Short Wavelength Pass Filter?SWPF?

Pass Band Width Range : 1500?1575nm
Pass Band Ripple ?0.15dB
Peak Loss ?0.2dB
Reflectance Band Width Range : 1590?1640nm
Reflectance Band Isolation ?30dB
Very sharp transition characteristic.
? We can process from board thickness of 0.1mm.

Gain Flattening Filter

Peak topeak error function ?±0.2dB
Insertion Loss(transmission peaks) ?0.2dB
Angle of incidence ?0?3degree

DWDM

100GHz
Pass Band Width (-0.3dB) ?0.4nm
Isolation Band Width(-25dB) ?1.2nm
Peak Insertion Loss ?0.5dB
Pass Band Ripple ?0.3dB

CWDM

Pass Band Width (0.3dB) ?14nm
Isolation Band Width(-25dB) ?24nm
Peak Insertion Loss ?0.3dB
Pass Band Ripple ?0.2dB

UA-33748382-1