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MEMS Variable Optical Attenuator (Voltage control) MEMS Variable Optical Attenuator
(Voltage control)
(patents pending)
The MM Series VOA is based on a micro-electro-mechanical mechanism
featuring a compact design, simple construction, easy direct drive, and
excellent optical performance. The MM series VOA is compliant with the
Telcordia 1209 and 1221 reliability standards. The MM series VOA is
available in either normally-open or normally-closed configurations and
with an integrated tap option. The VOA is driven with an electrical
voltage, and the attenuation can be continuously adjusted with the
applied voltage.
Features
Compact
Low Cost
High Reliability
Low IL, PDL, WDL & TDL
Low Power Consumption
Product Description
MM Series VOA
Min Typical Max Unit
Wavelength 1310±50 and/or1480±50 and/or 1550±50
nm
Insertion Loss
1
0.2
0.4
0.7
dB
Polarization Dependent Loss
2
0.15 0.4 dB
Wavelength Dependent Loss
2, 4

0.3
0.6
dB
Temperature Dependent Loss
3
0.05
0.2
dB
Attenuation Range

25
60
dB
Attenuation Resolution

Continuous


Polarization Mode Dispersion
2
0.005
0.01
0.050
ps
Return Loss
50


dB
Response Time
0.5 2.5
5
ms
Operating Temperature
-5

75
o
C
Device Resistance
5
1.5 75 250
Driving voltage
2,5
0.02
3
5
V
Optical Power Handling

300
500
mW
Storage Temperature
-40

85
o
C
Reliability
Telcordia 1209 and 1221
Fiber Type
Corning SMF28

Package Dimension
6

18.0x6.0
mm

Notes:
1.

Without connector and at room temperature
2.

At attenuation of 20dB or less
3.

At 0 attenuation and at whole temperature range
4.

Within 30nm bandwidth
5.

Driving voltage adjustable through matching with the resistor
6.

Standard package
Applications
Power Control
Power Regulate
Channel Balance
Instrumentation
Performance Specifications
15 Cabot Road, Woburn MA 01801 Tel: (781) 935-1200 Fax: (781) 935-2040
www.agiltron.com
Revision: 060-13
07-01-08 Mechanical Footprint Dimensions (mm)
Electrical Configurations
MMOA-











Type
Wavelength Off State

Package
Fiber
Fiber Length

Connector

Standard
voltage
control=11


1310=3
1550=5
C+L=2
1310&1550=8
Special=0
Transparent=1
Opaque=2
Standard=1
Special=0 SMF-28=1
Customized=2
Bare fiber=1
900um loose tube=3
Special=0
0.25m=1
0.5m=2
1.0m=3
Special=0


None=1
FC/PC=2
FC/APC=3
SC/PC=4
SC/APC=5
ST/PC=6
LC=7
Special=0

Ordering Information
Parameter
Typical
7
Maximum
7
Unit
Control Voltage
3
5
V
Control Voltage Slope


V/Sec
Note 7: At 20dB attenuation

MEMS Variable Optical Attenuator
(Voltage control)
15 Cabot Road, Woburn MA 01801 Tel: (781) 935-1200 Fax: (781) 935-2040
www.agiltron.com
Standard Package A
Revision: 060-13
07-01-08 MEMS VOA Typical
Performance Charts (1)
VOA Performance (tested with open-loop
)
Features
Compact
Low Cost
High Reliability
Low IL, PDL, WDL
&
TDL
Low Power Consumption
Performance Specification
MEMS VOA Attenuation vs Voltage
0
5
10
15
20
25
30
35
40
45
50
0
0.26
0.52
0.78
1.04
1.3
1.56
1.82
2.08
2.34
2.6
2.86
3.12
3.38
3.64
3.9
Drving Voltage (V)
At
t
e
n
u
at
i
o
n
(
d
B)
PDL vs Attenuation
0
0.1
0.2
0.3
0.4
0.5
0
10
20
30
40
50
Attenuation (dB)
PD
L
(
d
B
)
PDL
Poly. (PDL)
Applications
Power Control
Power Regulation
Channel Balance
Instrumentation
15 Cabot Road, Woburn MA 01801 Tel: (781) 935-1200 Fax: (781) 935-2040
www.agiltron.com
Revision: 060-12
07-01-08 MEMS VOA Typical
Performance Charts (2)
VOA Performance
Features
Compact
Low Cost
High Reliability
Low IL, PDL, WDL
&
TDL
Low Power Consumption
MEMS VOA WDL(C-band) vs Attenuation
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0
5
10
15
20
25
30
Attenuation (dB)
WD
L
(
d
B
)
WDL(dB)
Poly. (WDL(dB))
Applications
Power Control
Power Regulation
Channel Balance
Instrumentation
15 Cabot Road, Woburn MA 01801 Tel: (781) 935-1200 Fax: (781) 935-2040
www.agiltron.com
Revision: 060-12
07-01-08 MEMS VOA Typical
Performance Charts (3)
MEMS VOA Insertion Loss vs Temperature
0.3
0.35
0.4
0.45
0.5
0.55
0.6
-5
5
15
25
35
45
55
65
75
Temperature ('C)
I
n
se
r
t
i
o
n
L
o
ss (
d
B
)
IL
Poly. (IL)
VOA Performance
Features
Compact
Low Cost
High Reliability
Low IL, PDL, WDL
&
TDL
Low Power Consumption
Applications
Power Control
Power Regulation
Channel Balance
Instrumentation
Revision: 060-12
07-01-08
15 Cabot Road, Woburn MA 01801 Tel: (781) 935-1200 Fax: (781) 935-2040
www.agiltron.com MEMS VOA Typical
Performance Charts (4)
VOA Responses
(a) Falling Response
Optical Output
Electrical Control
0.1 ms
(b) Rising Response
2.5 ms
Features
Compact
Low Cost
High Reliability
Low IL, PDL, WDL
&
TDL
Low Power Consumption
Applications
Power Control
Power Regulation
Channel Balance
Instrumentation
Optical Output
Electrical Control
15 Cabot Road, Woburn MA 01801 Tel: (781) 935-1200 Fax: (781) 935-2040
www.agiltron.com
Revision: 060-12
07-01-08