1×3-3×3-1×4 Monolithic Multi-Mode Coupler (MMMC)

Low Excess Loss

Various Coupling Ratio

Excellent Environmental &

Mechanical Stability

Subscriber Loop

CATV Systems & Fiber Optic Sensors

Local Area Network

Optical Specification

Configuration

Unit

1×3

3×3

1×4

Type

1×3/3×3/1×4 Monolithic Multi-Mode Coupler(MMMC)

Operating Wavelength

nm

850 or 1310, others

Coupler Ratio

%

33.3/33.3/33.3

33.3/33.3/33.3

25/25/25/25

Max Insertion Loss

dB

6.10

6.30

7.80

Uniformity Loss

dB

≤0.90

≤1.20

≤1.50

Return Loss

dB

≥40.0

Directivity

dB

≥40.0

Operating Temperature

Deg.

-5-75

Storage Temperature

Deg.

-40-85

Fiber Length

m

1.00±0.10

Fiber Type

50/125 or 62.5/125 Multi-Mode or others

Light Source

LED

Fiber Diameter

um

250/900

900/2000/3000

Package

mm

3.0×54

90×16×10

NOTE: The parameters do not include connector.IL add 0.30 dB & RL reduced 5dB with connector.
          Can be customized uneven ratio products

MMMC

X

X

XX

X

 X

X

X

X

   MMMC:
Monolithic
Multi-Mode
Coupler

Configuration

Operating
Wavelength

Coupler Ratio

Fiber
Diameter

Package

1:3.0×54

Fiber Type

Light source

Connector

1:1×3

1:62.5/125

1:LED

1: none

2:1×4

1:850

1:even

1:250um

2:90×16×10

2:50/125 OM2

2:VCSEL

2: LC/UPC

2:1310

2:other

2:900um

3:other

3:50/125 OM3

3: LD

3:LC/APC

3:850/1310

3:2.0mm

4:50/125 OM4

4: other

4:SC/UPC

4: other

4:3.0mm

5:OFS Laser
   Optimized
   62.5 XL

5:SC/APC

5:other

6: FC/UPC

7:FC/APC

6:other

8:other