CWDM filter
AOI 13.5 air type CWDM TFF filters

Future Optics provide a large range of standard and customized high quality 13.5 AOI CWDM thin film filters for the use in new generation ultra-compact CWDM Mux Demux devices based on Free-Space Technology. Those compact and low insert loss CWDM modules are specially designed for the purpose to meet demand of new generation communication trend: smaller footprint, higher density and energy efficient.

Future Optics provide a large range of standard and customized high quality 13.5 AOI CWDM thin film filters for the use in new generation ultra-compact CWDM Mux Demux devices based on Free-Space Technology. Those compact and low insert loss CWDM modules are specially designed for the purpose to meet demand of new generation communication trend: smaller footprint, higher density and energy efficient.

 

Features:

● Extremely low ripple

● Extremely low insertion loss

● Excellent thermal stability

● High channel isolation

● Excellent uniformity  

 

Applications:

● PON networks 

● Access networks 

● Cable networks 

● Science and lab

 

Specifications:

Parameters

Unit

Value

Mounting
Air-type

Operating wavelength range

nm

1260~1620

Channel center wavelength (lc)

nm

1270, 1290 … 1610 or 1271, 1291 … 1611

Channel spacing

nm

20

Pass-band (PB)

nm

±7.0

Reflection-band 1 (RB

nm

1260~(lc-12.5) & (lc+12.5)~1620

Adjacent channel isolation@ RB

dB

>30

Max. insertion loss within PB

dB

<0.35

Transmission IL variation within PB

dB

<0.25

Reflection isolation within PB

dB

>13

Transmission PDL within PB

dB

<0.1

CW temp. sensitivity

pm/℃

<3

Reflection (AR coating on backside)

%

<0.2

A.O.I. (optional range angle within angle tolerance) Define; Only if one of angle range A.O.I.+/-0.3 can meet all the optical specs

°

13.5°

Size (L*W)

mm

1.4±0.05 x1.4±0.05

Thickness

mm

1.0±0.05


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